Transcript
Sonnenbatterie eco Operation and Installation Instructions
KD 129 - Version 1.04-1-EN Subject to amendment and additions
0 Manufacturer Sonnenbatterie GmbH Am Riedbach 1 87499 Wildpoldsried / Germany Emergency-Hotline: + 49-(0)8304-92933-444
[email protected] Service ◮ For service contact one of the following in this order: • The contractor that installed your storage system. You can find details of how to contact the contractor on the inside of the door of the storage system or in the installation and startup report. • Your Sonnenbatterie service partner. You will find them on the Internet page www.sonnenbatterie.de. ◮ Enter your postal code in the window on the start page. Then you will see details of how to contact the service partner.
These operation and installation instructions are for use with the following hardware and software versions: Hardware version: Software version:
7.00 3.07
Publication date of these operation and installation instructions: August 14, 2015
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Contents
Contents 1 About these instructions
5.5.5
Placing levelling mat . . . . . . . . 21
5.5.6
Suspending storage system in wall bracket . . . . . . . . . . . . . . . . 21
5
1.1
Target groups . . . . . . . . . . . . . . . .
5
5.5.7
Screwing storage system in place . . 22
1.2
Designations used in document . . . . . . .
5
5.5.8
Attaching edge guard . . . . . . . . 22
1.3
Explanation of symbols . . . . . . . . . . .
5
5.5.9
Flachband-Erder anbringen . . . . . 23
2 Safety
6
2.1
Proper use . . . . . . . . . . . . . . . . . .
6
2.2
Incorrect use . . . . . . . . . . . . . . . . .
6
2.3
Requirements of personnel . . . . . . . . .
6
2.4
General safety instructions . . . . . . . . .
6
2.4.1 2.5
tant information for fire-fighters . .
7
Warnings . . . . . . . . . . . . . . . . . . .
7
6.1
Working on electrical installation distributor
25
6.1.1
Placing components in distributor . 25
6.1.2
Wiring components in distributor . . 26
6.3
Connecting Ethernet cable . . . . . . . . . 27
9
6.4
Electrical connection of storage system . . . 28
6.5
Connecting Modbus cable . . . . . . . . . . 29
9
3.2
Nameplate . . . . . . . . . . . . . . . . . .
9
3.3
Energy flow in household . . . . . . . . . .
9
3.4
Operating principle . . . . . . . . . . . . . 10
3.5
Feed-in power limitation . . . . . . . . . . . 11
3.6
Intelligent charge management . . . . . . . 12
4 Storage and transport
25
Routing cables into storage system . . . . . 27
Technical data . . . . . . . . . . . . . . . .
6.5.1 6.6
Setting power meters . . . . . . . . 33
Using extra connections . . . . . . . . . . . 34 6.6.1
Connecting battery emergency stop switch . . . . . . . . . . . . . . . . 34
14
6.6.2
Connecting self-consumption switch
6.6.3
Connecting combined heat and power unit . . . . . . . . . . . . . . 35
Storage . . . . . . . . . . . . . . . . . . . . 14
35
4.1.1
Ambient conditions for storage . . . 14
6.6.4
Connecting heat pump . . . . . . . 36
4.1.2
Storing battery modules . . . . . . . 14
6.6.5
Connecting PV reduction . . . . . . 38
Transport . . . . . . . . . . . . . . . . . . 14
6.6.6
Connecting PV cutout
4.2.1
Ambient conditions for transport . . 14
6.6.7
Emergency power . . . . . . . . . . 39
4.2.2
Transporting battery modules . . . . 14
6.7
Installing battery modules . . . . . . . . . . 40
4.2.3
Inspecting for transport damage . . 15
6.8
Subsequent battery add-on . . . . . . . . . 44
4.2.4
Compensating temperature after transport . . . . . . . . . . . . . . . 16
4.2.5
Placing storage system . . . . . . . 16
5 Assembly
17
5.1
Delivery package . . . . . . . . . . . . . . . 17
5.2
Tools needed . . . . . . . . . . . . . . . . . 18
5.3
Unpacking storage system . . . . . . . . . . 18
5.4
Choosing location . . . . . . . . . . . . . . 18
5.5
6 Electrical connection
6.2
3.1
4.2
5.5.11 Fitting/removing side wall . . . . . 24
What to do in case of fire / impor-
3 Product description
4.1
5.5.10 Fitting screwed cable glands . . . . 23
7 Starting up
. . . . . . . 39
45
7.1
Startup checklist . . . . . . . . . . . . . . . 45
7.2
Activating storage system . . . . . . . . . . 45
7.3
Adapting software settings . . . . . . . . . 46
7.4
7.3.1
Data for PV system . . . . . . . . . 46
7.3.2
Setting postal code for PV forecast . 46
Selftest . . . . . . . . . . . . . . . . . . . . 46
5.4.1
Requirements of location . . . . . . 18
7.4.1
Addressing battery modules . . . . . 47
5.4.2
Minimum spacing . . . . . . . . . . 18
7.4.2
Cabling battery modules . . . . . . 47
Assembling storage system . . . . . . . . . 19
7.4.3
Number of battery modules . . . . . 47
5.5.1
Attachment material . . . . . . . . 19
7.5
Startup report . . . . . . . . . . . . . . . . 48
5.5.2
Drilling holes
7.6
Automatic full charging . . . . . . . . . . . 48
5.5.3
Fitting wall bracket . . . . . . . . . 20
7.6.1
Automatic full charging earlier . . . 48
5.5.4
Joining cabinets . . . . . . . . . . . 21
7.6.2
Automatic full charging later . . . . 48
. . . . . . . . . . . . 20
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Contents
8 Shutting down 8.1
49
Shutting down storage system . . . . . . . 49 8.1.1
Shutting down in emergency . . . . 49
8.1.2
Ramping down storage system . . . 49
9 Operation
50
9.1
9.2
Operating status . . . . . . . . . . . . . . . 50 9.1.1
Standby operating status . . . . . . 50
9.1.2
Charge operating status . . . . . . . 50
9.1.3
Discharge operating status . . . . . 50
Operating mode . . . . . . . . . . . . . . . 51 9.2.1
Automatic mode . . . . . . . . . . . 51
9.2.2
Manual mode . . . . . . . . . . . . 51
10 Software
52
10.1 Operating touch panel . . . . . . . . . . . . 52 10.1.1 Navigating in touch panel . . . . . . 52 10.2 Description of screen pages . . . . . . . . . 52 10.2.1 Start page . . . . . . . . . . . . . . 52 10.2.2 Overview page . . . . . . . . . . . . 53
10.3.11 Screen page Settings – Touch panel – Time and language . . . . . . . . 60 10.3.12 Screen page Settings – Touch panel – Screen . . . . . . . . . . . . . . . 61 10.3.13 Installing software update . . . . . . 62 11 Internet access
63
11.1 Connecting to Internet . . . . . . . . . . . 63 11.2 Internet portal . . . . . . . . . . . . . . . . 63 11.2.1 Logging in on portal . . . . . . . . . 63 11.2.2 Overview page . . . . . . . . . . . . 64 11.2.3 Status page . . . . . . . . . . . . . 64 11.2.4 Control page . . . . . . . . . . . . . 64 11.2.5 Pattern
. . . . . . . . . . . . . . . 66
11.2.6 Forecast . . . . . . . . . . . . . . . 68 11.3 Smartphone app . . . . . . . . . . . . . . . 69 11.3.1 Installation and configuration . . . . 69 11.3.2 Operating smartphone app . . . . . 69 12 Maintenance and service 70 12.1 Maintenance . . . . . . . . . . . . . . . . . 70
10.2.3 Menu page . . . . . . . . . . . . . . 53
12.1.1 Maintenance of battery modules . . 70
10.2.4 Operating mode page . . . . . . . . 54 10.3 Making settings . . . . . . . . . . . . . . . 55
12.2 Performance check . . . . . . . . . . . . . 70 12.3 Servicing storage system . . . . . . . . . . 70 12.3.1 Cleaning screen . . . . . . . . . . . 70
10.3.1 Enabling changed settings . . . . . . 55
12.3.2 Cleaning cabinet . . . . . . . . . . . 70
10.2.5 Switch consumer page
. . . . . . . 54
10.3.2 Operating entry window . . . . . . . 56 10.3.3 Screen page Settings – Storage system – Product info . . . . . . . . . 57 10.3.4 Screen page Settings – Storage system – Pattern . . . . . . . . . . . . 57 10.3.5 Screen page Settings – Charge pattern – General . . . . . . . . . . . . 58 10.3.6 Screen page Settings – Charge pattern – Service . . . . . . . . . . . . 58 10.3.7 Screen page Settings – Generator – PV – General . . . . . . . . . . . . 59 10.3.8 Screen page Settings – Generator – CHP . . . . . . . . . . . . . . . . . 59 10.3.9 Screen page Settings – Consumer . 60 10.3.10 Screen page Settings – BMS – General . . . . . . . . . . . . . . . . . . 60
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13 Troubleshooting
71
13.1 Fault display on screen . . . . . . . . . . . 71 14 Recycling and certificates
72
15 Overview plans
73
15.1 Connections of storage system . . . . . . . 73 15.2 Electrical connection
. . . . . . . . . . . . 75
15.2.1 Electrical connection with threephase PV inverter or generator . . . 75 15.2.2 Modbus connection . . . . . . . . . 77 15.2.3 Connection of DC leads . . . . . . . 78 15.2.4 Connection of BMS communication leads . . . . . . . . . . . . . . . . . 80 16 Appendix
83
16.1 Startup report . . . . . . . . . . . . . . . . 83
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CHAPTER 1. ABOUT THESE INSTRUCTIONS
1 About these instructions These instructions explain installation and operation of the
1.3 Explanation of symbols Warnings
Sonnenbatterie eco. Note the following:
SIGNAL WORD
◮ Read the instructions carefully before starting to use the battery.
Warning indications in this document are
◮ Keep the instructions close to the battery for ready reference.
Additional signal words indicate the nature and
1.1 Target groups
marked by a warning triangle. severity of consequences if measures to avert a hazard are not observed.
The following signal words are used in the document: • CAUTION means a possible threatening hazard.
This document is intended for the following groups of per-
Moderate to fairly serious bodily injury can result. • WARNING means a possible threatening hazard.
sons:
Serious to critical bodily injury can result.
• Operators of the storage system • Qualified electricians (7→ 2.3 p. 6) Certain activities may only be carried out by qualified electricians. The sections in the document referring to this are indicated as follows:
• DANGER means an immediate hazard. Serious to critical bodily injury can result.
Material damage Attention
Qualified electrician!
The possibility of material damage is indicated in this document by the signal word Attention.
1.2 Designations used in document Important information Full designation Sonnenbatterie eco
Designation in document Storage system
Important information not concerning hazards for humans or material is indicated by this symbol.
Other symbols
KD-129 Sonnenbatterie eco Manual Version 1.04-1-EN
Symbol
Meaning
◮
Step of action
1. 2. 3.
Steps of action in defined sequence
a) b) c)
Step of action in defined sequence (second level)
•
Bullet / Accentuation
-
Bullet / Accentuation (second level)
7→
Pointer to elsewhere in document
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CHAPTER 2. SAFETY
2 Safety
2.3 Requirements of personnel Installation and startup of the storage system following
2.1 Proper use Incorrect or improper use can endanger the life of the user or a third party, impair the working of the product, or cause damage to property. • Use the storage system only to store electrical energy. It is not intended for any other purpose. • Proper use also includes observing and following these operation and installation instructions plus all accompanying product documentation. Failure to observe the warranty terms and the
the operation and installation instructions may only be performed by qualified electricians. The electrician conducting the work must satisfy all the following criteria: • Electrician from an installation company certified by Sonnenbatterie GmbH. • Electrician properly acquainted with applicable directives and standards. • Electrician who has participated in certification training of Sonnenbatterie GmbH.
2.4 General safety instructions
information contained in these operation and installation instructions cancels entitlement to
◮ Only use the storage system in its original state without
all warranty and guarantee claims.
unauthorized alterations and in perfect technical condition. ◮ Ensure adherence to the following when fitting and connecting the storage system and PV system:
2.2 Incorrect use
• National directives and regulations ◮ Do not use the storage system in vehicles. ◮ Do not use the storage system in potentially explosive areas (flour dust, sawdust, etc).
• Specifications of professional associations, associa¨ tion for technical inspection (TUV), association for electrical, electronic and information technologies
◮ Do not use the storage system in areas in which the ammonia content of the air exceeds 20 ppm.
(VDE) • Technical connection requirements (TAB) of the particular power utility
◮ Do not use the storage system in areas where corrosive
• National and international rules and specifications
◮ Do not expose the storage system to direct sunlight.
gases are present. ◮ Do not operate the storage system at an altitude of more than 2000 meters (asl). ◮ Do not operate the storage system outside the permissible ambient temperature range of 5 ➦ C to 30 ➦ C. ◮ Do not operate the storage system outside the permissi-
◮ Make sure all protective devices work correctly. ◮ Observe requirements of the place of installation. (7→ 5.4.1 p. 18) ◮ Carefully read these operation and installation instructions.
ble humidity range of max. 90 %, non-condensing.
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CHAPTER 2. SAFETY
2.4.1 What to do in case of fire / important information for fire-fighters
2.5 Warnings This section deals with warnings that must always be ob-
Despite all the care that goes into electrical design it is still possible for a fire to occur. Or a fire in the vicinity can
served when working with the product. DANGER
cause the storage system to catch fire. A fire can release
Danger to life through electric shock!
substances contained in the battery modules.
If the door to the cabinet is open, there is dan-
◮ Observe the warning Risk of injury / burns through es-
ger to life through electric shock if you touch
caping electrolyte (7→ p. 8).
components inside the storage system. ◮ Do not remove any plastic covers or sealed
Consequently you should proceed as follows in the event of a fire in the storage system or its surroundings:
parts. ◮ By no means reach under covers.
◮ Only firemen wearing proper protective clothing (including gloves, masks, breathing apparatus) may enter the room with the burning storage system. ◮ A fire in the storage system can be extinguished by conventional agents.
DANGER
◮ The use of water is advisable to cool the battery mod-
◮ Disconnect the storage system.
ules and thus prevent the thermal runaway of modules that are still intact.
◮ Disconnect the back-up fuse.
Information on battery modules:
ified persons.
Danger to life through electric shock! Observe the following if conducting any electrical work on the storage system:
◮ Follow the five safety rules. ◮ Have electrical jobs only carried out by qual-
• The battery modules have a rated voltage of 51.2
WARNING
Vdc and are thus in the range of protective extra-low voltage (below 60 Vdc). • The battery modules contain no metallic lithium.
Danger to life through electric shock! Even if the power supply from the public grid is interrupted, parts of the electrical installation can still be live. The storage system continues to deliver electrical energy (using the optional emergency power supply), so it has to be disconnected separately. ◮ Cut out the electricity in the house. ◮ Disconnect the storage system. Attention Damage to battery modules through exhaustive discharge! If not connected to the public grid the battery modules can be damaged by exhaustive discharge. ◮ Do not disconnect the storage system from the public grid for an extended period.
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CHAPTER 2. SAFETY
WARNING
WARNING
Risk of burns!
Risk of injury / burns through escaping elec-
Very high shortcircuit currents are possible!
trolyte
Observe the following when working with
The battery modules fitted in the storage sys-
battery modules:
tem are guarded by a number of security de-
When the fused connector is plugged in, a
vices for safe operation. Despite diligent con-
battery module is active. So there is voltage
struction battery cells inside the battery mod-
across the plus and minus contacts of the
ules can still degrade or pyrolyze in the event
battery module (rated voltage of battery
of mechanical damage, heat or a fault. The
modules 51.2 Vdc).
possible effects are:
Unplugging the fused
connector deactivates the battery module.
• High development of heat on the surface
Here there is no voltage across the plus and minus contacts of the battery module.
So
you can work on a battery module without
of battery cells. • Electrolyte can escape. • Escaping electrolyte can ignite and pro-
risk if all interconnected battery modules are deactivated.
duce an explosive flame. • Smoke from burning battery modules can irritate skin, eyes and throat. Consequently proceed as follows: ◮ Do not open battery modules. ◮ Do not damage battery modules mechanically (puncture, deform, take apart, etc). ◮ Do not modify battery modules. ◮ Keep battery modules away from water (except to extinguish a fire in the storage system).
Working on DC circuit:
◮ Do not allow battery modules to heat up and
◮ Take off metal jewellery of any kind that
only operate them in the allowed temperature
could cause a shortcircuit.
range (7→ 5.4.1 p. 18).
◮ Disconnect the storage system.
◮ Do not shortcircuit battery modules / bring
◮ Disconnect the back-up fuse.
them into contact with metal.
◮ Remove the orange-coloured fused connector
◮ By no means continue to use a battery mod-
on all battery modules.
ule after a short. ◮ Do not exhaustively discharge battery modules. If contents escape: ◮ Do not enter the room. ◮ Avoid by all means contact with the escaping electrolyte. ◮ Contact your fire department. ◮ Contact the following Emergency hotline: +49-(0)8304-92933-444
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CHAPTER 3. PRODUCT DESCRIPTION
3 Product description
3.2 Nameplate The nameplate, properly identifying the storage system, is
3.1 Technical data Sonnenbatterie eco
2
Usable capacity
2,0 kWh
Cell chemistry Size HxWxD in cm
90/62/36
90/62/36
160/62/36
Weight
110 kg
140 kg
200 kg
Rated power
1500 W
2500 W
3000 W
Rated voltage
230 Vac
230 Vac
230 Vac
Rated current
6,5 Aac
IP rating Safety class Ambient temperature Max. humidity
4
6
4,0 kWh 6,0 kWh Lithium-iron phosphate
11 Aac 13 Aac IP 21 I (ground conductor) 5 ➦C to 30 ➦C 90 % - non-condensing
Sonnenbatterie eco
8
Usable capacity
8,0 kWh
Cell chemistry Size HxWxD in cm
160/62/36
160/62/36
160/62/36
Weight
230 kg
260 kg
290 kg
Rated power
3300 W
3300 W
3300 W
Rated voltage
230 Vac
230 Vac
230 Vac
Rated current
14,5 Aac
IP rating Safety class Ambient temperature Max. humidity Sonnenbatterie eco Usable capacity Cell chemistry Size HxWxD in cm Weight Rated power Rated voltage Rated current IP rating Safety class Ambient temperature Max. humidity
on the left side. You need the details from this nameplate for correct use and if you have questions for service. The nameplate shows the following:
10
12
10,0 kWh 12,0 kWh Lithium-iron phosphate
• Model designation • Model number • Version (hardware) • Technical data of storage system
3.3 Energy flow in household The Sonnenbatterie eco is an intelligent storage system that registers and controls energy flow in the household, that in the following illustration being of importance:
14,5 Aac 14,5 Aac IP 21 I (ground conductor) 5 ➦C to 30 ➦C 90 % - non-condensing
14 16 14,0 kWh 16,0 kWh Lithium-iron phosphate 160/62/36 160/62/36 310 kg 340 kg 3300 W 3300 W 230 Vac 230 Vac 14,5 Aac 14,5 Aac IP 21 I (ground conductor) 5 ➦C to 30 ➦C 90 % - non-condensing
1
5
3
4 2
6
Figure 3.1: Energy flow
[1] [2] [3] [4] [5] [6]
Generation Consumption Charging Discharging Feed-in Import
The storage system can directly influence the following energy flow:1 • Charging: Charging conducts energy into the battery. • Discharging: During discharging part of the energy intermediately stored in the battery is given off.
1 Generation
can also be influenced (throttled) to satisfy the constraint of a feed-in limit.
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CHAPTER 3. PRODUCT DESCRIPTION
• Consumption: Consumption can be increased by
3.4 Operating principle
connection of loads. The following is an example of operation of the storage The purpose of controlling energy flow is to minimize energy import and optimize energy consumption.
system together with a PV system. Instead of the latter it is possible to connect other sources like a combined heat and power unit.
1 5 2
7 6
3
4 P
P
8
Figure 3.2: Schematic
[1] [2] [3] [4] [5] [6] [7] [8]
PV system or other source Inverter of PV system Generated power meter Consumed power meter Battery Inverter of storage system Household supply Up/down meter
The DC current generated by a PV system [1] is converted into AC current by an inverter [2]. The meters [3] and [4] register momentary electric power in watts (W). Meter [3] registers momentary power generation, meter [4] momentary power consumption in a household [7]. If generation is higher than consumption, excess electric power is saved in the storage system. The battery [5] is charged. When it is charging, the inverter of the storage system [6] converts the fed AC current into DC current for the battery [5]. If generation is less than consumption, electric power comes from the storage system. The battery [5] is discharged, and the inverter of the storage system [6] converts DC current from the battery [5] into AC current. The up/down meter [8] calculates the electric energy fed into the public grid and that drawn from it in kilowatt hours (kWh).
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CHAPTER 3. PRODUCT DESCRIPTION
3.5 Feed-in power limitation
1. Charging of battery Surplus energy is fed into the battery, which there-
Depending on when a photovoltaic system was installed, it
fore needs sufficient capacity. So on sunny days it
may be subject to what is called feed-in power limitation.
is often advisable to reduce charging power in the
Meaning that the power fed in from a photovoltaic system
morning hours to leave enough battery capacity for
is limited at the point where it ties to the grid.
midday. For this reason there is intelligent control of charging pattern (7→ 3.6 12).
Example Rated power of PV system Power limitation to Maximum feed-in power
10 kWp 60% 6 kW
In this example the feed-in power must not exceed 6 kW. The following illustration is an example of generation by a PV system in the course of the day.
76
P
2 1
2. Connection of loads linked to wireless sockets (optional). ). These loads must be marked as peak loads through the portal (7→ 11.2.4 p. 64). The loads are activated as soon as the feed-in limit is exceeded. Loads are deactivated again if the limit drops after 3 minutes. 3. Activation of self-consumption switch (7→ 10.3.9
% Autarkie letzte 7 Tage
p. 60)so that loads possibly on the hardwired switching output are connected.
3
4. Reduction of PV power over integrated switching contact on inverter. This limits the photovoltaic in-
4
verter to set power output. The requisite is support of the inverter for power reduction over a switching
60%
contact or an external solution (e.g. a solar data logger). Configuration and connection are by a qualified electrician.
t 12:00 Figure 3.3: Example: feed-in power limitation to 60 % of rated power
5. Cutout of photovoltaic system if all the steps have no effect (exceeding of maximum feed-in power despite activation of all points on average 10 minutes).
[1] [2] [3] [4]
First measure: charging of storage system. Second measure: connection of peak loads by wireless socket. Third measure: connection of loads linked to self-consumption switch. Midday peak that may not be fed into grid.
The photovoltaic system remains separated from the grid for a period of at least 5 minutes (configured by electrician) and is afterwards automatically released.
To avoid throttling of generation – and thus loss of energy – the surplus is first saved in the storage system [1] and consumption is increased by connecting loads [2] and [3]. Generation is only throttled if these measures do not produce the desired limitation. Feed-in power limitation is activated by your electrician when installing the system according to Settings – Generator – PV – General (7→ 10.3.7 p. 59). In what follows you can read details of the steps to implement feed-in power limitation. Follow the steps one after the other. Only move on to the next step if a particular step does not lead to the wanted reduction.
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CHAPTER 3. PRODUCT DESCRIPTION
3.6 Intelligent charge management
illustration the consumption bars are shifted to the top of the generation bars.
Charge management means intelligent control of the charging pattern of the storage system. The purposes of this
P 10 kW
intelligent control are as follows:
9 kW 8 kW
• Storage of the midday peak in the storage system (sufficient storage capacity must be available). • Full charging of the storage system by the evening (to provide sufficient energy for the nighttime).
7 kW
60%
6 kW 5 kW 4 kW 3 kW 2 kW
Intelligent charge management only works in storage systems operated together with PV systems, and in which
1 kW 0 kW 6:00
7:00
8:00
9:00
10:00
11:00
12:00 13:00 14:00 15:00
16:00 17:00
t
Figure 3.5: Forecast surplus
feed-in power limitation is activated.
Operating principle of intelligent charge management The storage system is connected over the Internet to a server. This produces a generation and consumption forecast for the particular day. The generation forecast is based on the following data:
[yellow] Forecast generation [blue] Forecast consumption (shown on forecast generation)
In this example, feeding in the entire surplus at midday would violate the feed-in power limitation (at 6 kW). So it is best if as much energy surplus as possible above the feed-in limit is used to charge the battery. Without intelligent charge management the storage system would immediately save the surplus (through to maximum
• Forecast weather data
charging power – see Technical data) in the battery.
• Rated power of PV system • Orientation of PV system
P
The consumption forecast is calculated from consumption in recent weeks. The following illustration is an example
10 kW 9 kW 8 kW 7 kW
of such a consumption and generation forecast.
60%
6 kW 5 kW
P
4 kW 3 kW
10 kW 2 kW
9 kW 8 kW
1 kW
7 kW
0 kW 6:00
60%
6 kW
7:00
8:00
9:00
10:00
11:00
12:00 13:00 14:00 15:00
16:00 17:00
t
Figure 3.6: Charging pattern without intelligent charge management
5 kW 4 kW 3 kW 2 kW 1 kW 0 kW 6:00
7:00
8:00
9:00
10:00
11:00
12:00 13:00 14:00 15:00
16:00 17:00
t
Figure 3.4: Generation and consumption forecast
[yellow] Forecast generation [blue] Forecast consumption [green] Charging of storage system
In the example looked at here, this pattern would mean that the storage system was fully charged before midday.
[yellow] Forecast generation [blue] Forecast consumption
Here, for example, average consumption of 0.5 kW is expected between 10:00 and 11:00 h plus generation of approx. 9 kW. Subtracting consumption from generation pro-
So the subsequent surplus above the feed-in power limitation could no longer be stored in the battery. To satisfy the feed-in power limitation (7→ 3.5 p. 11) the power of the PV system would have to be reduced. That would mean both a financial and an energy loss.
duces the forecast surplus (here 8.5 kW). In the following
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CHAPTER 3. PRODUCT DESCRIPTION
Intelligent charge management tries to prevent such premature full charging of the battery. So early in the morning the server sends a daily charging plan to the storage system. Intelligent charge management tries to prevent such premature full charging of the battery. So early in the morning the server sends a daily charging plan to the storage system.
P 10 kW 9 kW 8 kW 7 kW
60%
6 kW 5 kW
pends for example on the weather forecast, on orientation and roof angle, shadowing, etc of the PV system. A consumption forecast depends on your energy use and your electric loads or household appliances. Enabling intelligent charge management to adapt to this complexity of factors calls for consumption and generation statistics. None of the data needed are present after installation of the storage system, so they need to be collected. For this reason intelligent charge management takes approx. 7 days to calibrate. During this time there may be unwanted charging. After the 7 days intelligent charge management will have adapted to your personal generation and consumption profile.
4 kW 3 kW
Limits of intelligent charge management
2 kW 1 kW 0 kW 6:00
7:00
8:00
9:00
10:00
11:00
12:00 13:00 14:00 15:00
16:00 17:00
t
Figure 3.7: Charging pattern with intelligent charge management
[yellow] Forecast generation [blue] Forecast consumption [green] Charging of storage system
In the example, charging of the storage system is avoided in the morning hours. At midday the storage system is charged just enough to satisfy the feed-in power limitation.
Adaptation of intelligent charge management
The effectiveness of intelligent charge management depends on how accurate generation and consumption forecasts are. • The wrong weather forecast will mean a poor generation forecast. • A consumption forecast depends on figures of recent weeks. So heavily fluctuating consumption has a negative effect on the quality of the forecast. The more constant your consumer pattern, the preciser is the consumption forecast.
After starting up, intelligent charge management has to match to local conditions. The generation forecast de-
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CHAPTER 4. STORAGE AND TRANSPORT
4 Storage and transport
4.2 Transport 4.2.1 Ambient conditions for transport
4.1 Storage Storage is the condition where the energy storage system is not connected to the public grid and there can be no automatic charging of battery modules.
4.1.1 Ambient conditions for storage
◮ Ensure the following ambient conditions for transport of the energy storage system and battery modules: • Ambient temperature must be between -15 and 40 ➦C. • Otherwise, if possible, maintain the same ambient conditions as at the point of operation (7→ 5.4.1 p. 18).
◮ Ensure the following ambient conditions for storage of the energy storage system and battery modules:
4.2.2 Transporting battery modules
• Ambient temperature must be between 0 and 40➦C. • Otherwise maintain the same ambient conditions as at the point of operation (7→ 5.4.1 p. 18).
4.1.2 Storing battery modules Attention
Lithium-ion batteries rank as hazardous goods, so take the following precautions when transporting battery modules: ◮ Observe general regulations of the transport carrier and all legal regulations. ◮ Seek advice from an external hazardous goods consultant. Data of battery modules relevant for transport:
Damage / destruction of battery modules through exhaustive discharge!
• Hazardous goods class: 9
Battery modules discharge to a minimum degree by them-
• UN number: UN3480 lithium-ion batteries“ ” • Weight of battery module: 29 kg
selves during storage. But exhaustive discharge can damage or destroy them. So only store battery modules for a limited period. ◮ When put into storage battery modules must have 85 % charge (as delivered). ◮ Do not store battery modules for longer than 6 months. ◮ At the latest after 6 months fit battery modules into the storage system and start it up. ◮ During storage the orange-coloured fused connector must not be plugged into a battery module.
1 When
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1
delivered (original packaging), the orange-coloured fused connector is not plugged in.
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CHAPTER 4. STORAGE AND TRANSPORT
4.2.3 Inspecting for transport damage The haulier can be held responsible for transport damage if it is possible to prove that the damage was caused during actual transport. Therefore it is important to strictly follow these instructions. Transport damage is categorized as open or hidden. Open damage is when damage to the goods in transit or their packing is visible externally. Hidden damage is when the packing looks undamaged but the contents are then found to be damaged. A complaint of open transport damage must be lodged with the haulier immediately. For hidden transport damage a complaint must be lodged as follows: Haulier
Complaint at latest
Deutsche Post / DHL / parcel services
24 hours
Forwarder
7 days
1
Checking freight documents
◮ Check the address of the recipient and number of pieces in the presence of the haulier. 2
Checking freight for open damage
◮ Check the packing and transported goods for external damage in the presence of the haulier. If damage is determined: ◮ Check the freight also for hidden damage in the presence of the haulier. ◮ Check the shockwatch attached to the packing of the main cabinet in the presence of the haulier.
3
Checking freight for hidden damage
Conduct this also in the presence of the haulier. ◮ Unpack the delivery and inspect it for hidden damage (not immediately visible). ◮ Do not continue to unpack if you determine transport damage. ◮ Immediately photograph the damage. ◮ Refuse to accept the freight if it is heavily damaged. 4
Documenting damage
◮ Note the damage you find as Conditional acceptance“ ” on the bill of consignment and have this confirmed by the signature of the haulier. The registration number of the delivering vehicle on the bill of consignment should also be documented. 5
Complaining of damage
◮ Complain of damage immediately to the responsible haulier and the manufacturer. ◮ Send the bill of consignment / waybill with confirmation of damage by the haulier plus photographic evidence by e-mail to the manufacturer. It is not possible to settle a claim for damages without submission of the above papers within deadlines for complaints.
Inspecting battery modules CAUTION Risk of injury by using damaged battery modules! Using these can cause the release of substances injurious to health.
Figure 4.1: Shockwatch
◮ Unpack battery modules immediately after transport and check them for transport dam-
If blue powder appears in the arrow of the shockwatch, the
age.
storage system was not transported properly.
If deformation, damaged casing, leaking con-
◮ In this case you should refuse to accept the freight.
tents, etc is determined: ◮ Do not use the battery modules under any circumstances. ◮ Contact the service point.
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CHAPTER 4. STORAGE AND TRANSPORT
4.2.4 Compensating transport
temperature
after
4.2.5 Placing storage system Qualified electrician!
Attention Damage to storage system by condensation If the temperature of the storage system upon delivery is less than the ambient temperature of the room, condensation may form inside the storage system and damage it. ◮ Check the inside of the storage system for condensation before installing it. ◮ Only install the storage system if there is no condensation on the outside surfaces.
WARNING Risk of injury by lifting storage system! The storage system is heavy. ◮ Wear steel-toe boots when setting it up. ◮ Ensure a firm stand. ◮ Observe the correct tilting positions. ◮ Use a manual or electric trolley to cross steps.
If the storage system was transported at a temperature less than 0➦C, proceed as follows: 1. Set up the storage system at a suitable location (7→ 5.4.1 p. 18). 2. Open all cabinet doors. 3. Leave the storage system standing with opened cab-
Figure 4.2: Suitable trolley for placement
inet doors for at least 24 hours. 4. Only then should you put the storage system into operation.
Permitted tilting ◮ The storage system may be tilted by a maximum angle of 90➦. The screen must always face upwards.
90°
Figure 4.3: Correct (left) and wrong (right) tilting
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CHAPTER 5. ASSEMBLY
5 Assembly 5.1 Delivery package ◮ Check that the delivery package is complete: Scopeeofedeliveryexemainecabinet 30345 45001 L1
11
10441 10491 10492 10955 10996 1050310969 600106 10257
30346
EINGÄNGE
N
EINGÄNGE
L3
L2
1
N
4
7
L1
11
L3
L2
1
4
7
6x 3x
1
1
3
6
kvarh
9
3
1x
6
1x
2x
2
kvarh
2
9
2x
1x 20586
2x 52081
1x
1x 20878
10557
10368
1x
1x 1 2 3 4
5 6 7 8 9 10 11
10922
2x 10921
1x 10923
2x
1x
1x 10929
1x
10369
1x
1x
6x 10920
3x 3x 600232 2x 10928 10924
1x 20844 1x
12 13 14 15 16 17
35 36 37
1x 20769 38 39 40
26 27 28 29 30 31 32 33 34
18 19 20 21 22 23 24 25
1x Scopeeofedeliveryexeextensionecabinet 45002
Scopeeofedeliveryexebatteryemodule
10448 10562
45003
11082
600034
5x
1x Bb
4x
11040
1x
IuFm1a
2x BC D
3456
01 EF 2
789A
1
ON
2 3 4
IuFm2a
Bx
11041 1x
IJ1101MNBemSYa 140822 3000862
1x
11123 10551
1x
1x
1x
1x
20878 10870
20837
20838
1x
1x Figure 5.1: Delivery package
[10257] [10368] [10369] [10441] [10448] [10491] [10492] [10551] [10557] [10562] [10870] [10924] [10920] [10921] [10922] [10923] [10928] [10929] [10955] [10969]
Wire end ferrule, insulated 0.25 mm2 Stopper for screwed cable gland M16 Stopper for screwed cable gland M20 Terminal block Hexagon socket-head screw M6 x 16 Fuse holder End plate Spring washer M6 Shield transition incl. cable tie Washer M6 Hexagon nut M6 Seal insert, double Screwed cable gland M16 x 1.5 Check nut M16 x 1.5 Screwed cable gland M20 x 1.5 Check nut M20 x 1.5 Screwed cable gland M25 x 1.5 Check nut M25 x 1.5 Fine-wire fuse 315 mA, slow-blow Wire end ferrule, bare 4 mm2
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[10996] [11040] [11041] [11082] [11123] [20586] [20769] [20837] [20838] [20844] [20878] [30345] [30346] [45001] [45002] [45003] [52081] [600034] [600106] [600232]
Screw anchor W-SA 7.5 Screen page communication lead, short Screen page communication lead, long Fused connector Contact washer Wall bracket Levelling mat DC lead, black DC lead schwarz Socket connector set for terminal strip X1 Sticker numbering battery modules Generated power meter Consumed power meter Main cabinet Add-on cabinet Battery module File with operation and installation instructions and access data Edge protection strip Wire end ferrule, insulated 0.75 mm2 Cable tie 2.5 x 100 mm
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CHAPTER 5. ASSEMBLY
5.2 Tools needed Tool
• Observe any local building regulations
5.4.2 Minimum spacing
Stripping tool
Wire stripping pliers
Wire end ferrule crimping pliers
Concrete drill (6 mm)
Pencil
DC voltmeter
Hot-air gun
Hexagon socket spanner A/F 5
Phillips screwdriver PH 2
Folding meter stick
Trolley
Hammer drill
Screwdriver 0.4 x 2.5
Screwdriver 1 x 5.5
Spanner A/F 10
Spanner A/F 13
Spanner A/F 22
If a standby generator is to be installed at a
Spanner A/F 27
later date, the minimum spacing between stor-
Spanner A/F 34
age system and ceiling is approx. 30 cm.
Shrink-on sleeve
Spirit level
5cm
50cm B T
10cm % Autarkie letzte 7 Tage
B+T
76
Figure 5.2: Minimum spacing
[B] [T]
Width of storage system (7→ 3.1 p. 9) Depth of storage system (7→ 3.1 p. 9)
Extra tools may be needed to modify the electrical installation.
5.3 Unpacking storage system ◮ Unpack the storage system. ◮ Remove all protective foil.
5.4 Choosing location 5.4.1 Requirements of location • Ambient temperature 5 ➦C to 30 ➦C • Humidity max. 90 %, non-condensing • Room for installation may be ventilated • Altitude maximally 2000 meters asl • Adequate fire prevention measures (smoke alarm recommended) • Free of dust • Free of corrosive and explosive gases • Free of vibration • Level floor suitable for heavy weight • Easy access for assembly team
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CHAPTER 5. ASSEMBLY
5.5 Assembling storage system WARNING Risk of injury by lifting storage system! The storage system is heavy. ◮ Wear steel-toe boots when setting it up. ◮ Ensure a firm stand. ◮ Assemble the storage system upright. ◮ Assemble the storage system in a team of at least two.
• Place storage systems with an add-on cabinet on the floor. • Screw storage systems without an add-on cabinet to the wall.
Attachment to concrete walls • Only use the supplied screw anchors ([10996] in Figure 5.1 p. 17) on concrete walls. • Only attach the suspended storage system to a concrete wall. Specification of screw anchor Manufacturer W¨ urth Designation Screw anchor W-SA 7.5 Number 0901017502 Drill diameter 6 mm Torque to anchor 15 Nm
Proceed as follows to attach screw anchors: 1. Drill a hole (diameter 6 mm). 2. Clean the hole. 3. Put the screw anchor in place. 4. Tighten the screw anchor (15 Nm torque). Screw the anchor into the hole without any plastic wall plug.
Attachment to non-concrete walls Figure 5.3: Standup (left) and suspended from wall (right)
• Here you must not use the supplied screw anchors. • The storage system may not be suspended from the wall, it must be stood on the floor.
5.5.1 Attachment material WARNING
• You can still use the wall bracket to prevent the standing storage system from toppling over.
Risk of injury by inadequate attachment! The storage system is heavy and calls for highquality attachment material, otherwise it could fall and lead to injuries. ◮ Use only the correct attachment material.
No liability can be accepted for damage or injuries as a result of inadequate attachment.
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CHAPTER 5. ASSEMBLY
5.5.2 Drilling holes
5.5.3 Fitting wall bracket
620 110
110 100
200
100
128,5
Figure 5.5: Fitting wall bracket 710
838,5
1532
1610
2
900
822
1
Tools needed 10
3
Spanner A/F 13
◮ Fit the bracket to the wall with the attachment material (7→ 5.5.1 p.19).
Figure 5.4: Drilling template (all dimensions in mm)
[1] [2] [3]
Drilled holes for wall bracket Additional drilled holes Levelling mat
Tools needed
Pencil
Spirit level
Folding meter stick
Hammer drill
Concrete drill (6 mm)
For main cabinet suspended from wall1 : ◮ Drill the holes labelled (1) and (2). For standup storage system (consisting of main cabinet and add-on cabinet): ◮ Drill the holes labelled (1). For a main cabinet suspended from the wall it is still advisable to keep to the dimensions in Figure 5.4. Because if you add to the storage system at a later date you need not drill any new holes.
1 Suspension
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is only possible from concrete walls.
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CHAPTER 5. ASSEMBLY
5.5.4 Joining cabinets
5.5.5 Placing levelling mat
If a storage system consists of a main cabinet and an add-
If a floor is uneven, you must compensate this for standup
on cabinet, you have to join them.
storage systems.
CAUTION Risk of injury by toppling cabinets! If you install cabinets one on top of the other and have not yet joined them, they can easily
◮ Place the the levelling mat under the storage system.
5.5.6 Suspending storage system in wall bracket
topple over. Plus, if the battery modules are not yet fitted, the weight of the storage system
On the rear of the main cabinet you find an attachment
is unevenly distributed. The top part is much
rail to insert in the wall bracket.
heavier than the bottom part, and the storage system is quite likely to topple. For this reason: ◮ you should hold the storage system through-
◮ Suspend the storage system from the wall bracket as illustrated below.
out installation.
Figure 5.6: Schr¨ anke miteinander verbinden
Tools needed
Hexagon socket spanner A/F 5
1. Remove the four stoppers of the boreholes in the bottom of the main cabinet.
Figure 5.7: Suspending storage system
2. Join the main cabinet and add-on cabinet by the four hexagon socket-head screws.
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CHAPTER 5. ASSEMBLY
5.5.7 Screwing storage system in place
5.5.8 Attaching edge guard
Additionally fix the suspended storage system to the wall
Attach the supplied edge guard in the opening between the
by two screws.
main and add-on cabinets. This prevents damage to the leads. Tools needed
Spanner A/F 10
1
Open cover
Figure 5.8: Screwing storage system in place
Tools needed
Spanner A/F 13
◮ Screw the storage system in place as illustrated above. ◮ Use the supplied attachment material (7→ 5.5.1 p.19).
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◮ Open the cover on the bottom of the main cabinet. 2
Attach edge guard
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CHAPTER 5. ASSEMBLY
5.5.9 Flachband-Erder anbringen
5.5.10 Fitting screwed cable glands
Attach a ground strap between the main and add-on cabinets. This ensures that the housing of the add-on cabinet is on ground potential. Tools needed
Spanner A/F 10
Figure 5.10: Screwed cable glands on main cabinet Figure 5.9: Attaching ground strap Tools needed
Spanner A/F 22
Spanner A/F 27
Spanner A/F 34
◮ Fit the screwed cable glands.
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CHAPTER 5. ASSEMBLY
5
5.5.11 Fitting/removing side wall Qualified electrician! On the add-on cabinet there is a side wall. You can remove this if necessary to simplify working on the storage system.
Figure 5.11: Side wall
Tools needed
Phillips screwdriver PH2
◮ Take out the screws with the screwdriver. ◮ Fit the side wall again after working on the storage system.
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CHAPTER 6. ELECTRICAL CONNECTION
6 Electrical connection
6.1 Working on electrical installation distributor
Only qualified electricians certified by the manufacturer may install the storage system.
Qualified electrician!
Changes to installation of the storage system as detailed here must be referred to and ap-
DANGER
proved by Sonnenbatterie GmbH. Any breach
Danger to life through electric shock!
of this will annul the operating license and all
When working on the distributor there is dan-
warranty rights.
ger to life if you touch live parts. ◮ Disconnect circuits.
DANGER
◮ Follow the five safety rules.
Danger to life through electric shock by in-
◮ Only have qualified persons work on the dis-
correct electrical connection!
tributor.
Incorrect electrical connection can impair the operational safety of the storage system, leading to personal injury or material damage. ◮ Only have qualified persons perform electri-
6.1.1 Placing components in distributor
cal connection. ◮ Observe all applicable laws, standards, directives.
Qualified electrician! ◮ Place the following components in the electrical installation distributor:
DANGER
1
3
2
4 5
7
Danger to life through electric shock when working on storage system or distributor! 11
◮ Disconnect circuits.
1
4
7
11
1
4
7 T
◮ Disconnect the storage system. ◮ Make sure the main fuse switch F1 is OFF.
1
6
kvarh
2
kvarh
3
OFF
1
2
9
3
6
9
OFF
6 Figure 6.1: Placing components in distributor
F1 ◮ Follow the five safety rules. ◮ Only have qualified persons perform electrical jobs. DANGER Danger to life through electric shock! Personal protection cannot be ensured in a TT network in the event of a fault without a residual current operated device (RCD). ◮ Install an RCD.
[1] [2] [3] [4] [5] [6] [7]
Circuit-breaker B16 (not part of delivery) Generated power meter Consumed power meter Fuse holder Terminating plate Terminal block Residual current operated device (not part of delivery)
• The circuit-breaker [1] serves as a back-up fuse for the storage system. ◮ Use a circuit-breaker of B tripping characteristic with 16 A current rating. • In a TT network you must fit a residual current operated device [7] upstream of the storage system. An RCD with 300 mA rated residual current is sufficient. You can also use RCDs with rated residual current of 100 mA or 30 mA. An RCD of type A is adequate.
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CHAPTER 6. ELECTRICAL CONNECTION
6.1.2 Wiring components in distributor
Note the following for electrical connection of power meters:
Qualified electrician!
Attention
◮ Wire the components in the electrical installation distributor according to the circuit diagrams (7→ 15.2 p.75).
Damage to power meters through too high current flow! ◮ Only connect the power meters for maximum current up to 65 A.
◮ For single-phase generators the storage sys-
◮ Fit a suitable back-up fuse.
tem and the generator must be connected to the same phase (e.g. both to L1). ◮ Arrange with the network operator on which common phase the storage system and generator are connected.
• Power meters will only function if the energy flow direction is maintained. This must run from the input of the meter (terminals 1/4/7) to the output (terminals 3/6/9) (see arrow in Figure 6.2). • Do not exchange the two power meters because they
Electrical connection of power meters
are ready programmed. The generated power meter has a solar symbol, the consumed power meter a light
Qualified electrician!
bulb symbol. • Wiring of the generated power meter depends on
Technical data of power meters Dimensions WxHxD in mm Attachment Maximum continuous current Conductor cross-section meter inputs Terminal torque meter inputs Conductor cross-section further inputs Terminal torque further inputs
71x90x64,5 DIN rail (35 mm) 65 A at 50 Hz 2.5 to 16 mm2 1.7 to 3.0 Nm 1,5 mm2 0.5 Nm
whether the PV system (or generator) works singlephase or three-phase. For a single-phase system the meter must be wired as in Figure 15.4 (p. 76)), for a three-phase system as in Figure 15.3 (p. 75). • The consumed power meter must not register the charging or discharging of the storage system. ◮ Connect the power meters exactly as in the circuit diagrams (7→ 15.2). • On terminal N of the power meters you must connect
T315mA
the supplied fine-wire fuse (315 mA slow-blow) (7→ Figure 6.2). This cuts out a power meter safely in the event of an internal shortcircuit.
EINGÄNGE
N
L1
11
L3
L2
1
4
7
1
kvarh
2
3
6
9
Figure 6.2: Power meter
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CHAPTER 6. ELECTRICAL CONNECTION
6.2 Routing cables into storage system
6.3 Connecting Ethernet cable The Ethernet socket is top right inside the main cabinet.
Qualified electrician! All cables connected to the storage system (electrical, Ethernet, Modbus, group) must not be more than 30 meters in length.
2 1
3 4 5
XS1 0
0
10924
Figure 6.3: Routing into main cabinet
[1] [2] [3] [4] [5]
Group cable (for extra connections of storage system) Ethernet cable Modbus cable Electrical cable Cable to battery emergency stop switch
◮ Route the cables into the storage system as illustrated above. ◮ Make sure that all screwed cable glands are tightened
Figure 6.5: Routing into main cabinet
◮ Use an Ethernet cable with the following characteristics: • The cable must be shielded. • Ground the shield of the Ethernet cable on the socket by joining its connector (RJ-45) to the shield of the cable (shield contacting). ◮ Follow the instructions. (7→ 11.1 p. 63).
and optimally seal the storage system. If cable glands are not in use: ◮ Seal them with the matching stoppers.
Figure 6.4: Fitting stopper
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CHAPTER 6. ELECTRICAL CONNECTION
6.4 Electrical connection of storage system Qualified electrician!
Routing cables into storage system 1 ◮ Pass the electrical connecting cable into the storage system (7→ 6.2 p. 27) 2
Strip the cable and the wires.
DANGER
10 - 12 mm
Danger to life through electric shock! During electrical connection of the storage system there is danger to life if you touch live parts. ◮ Disconnect the storage system.
3
Fasten the cable in the connector.
◮ Disconnect the back-up fuse. ◮ Follow the five safety rules. 35 36 37
◮ Only have qualified persons perform electrical jobs.
◮ Use an electrical connecting cable that complies with local and national directives for sizing such cables. Recommended connecting cable Manufacturer Designation
Lapp ¨ OLFLEX
Number
1119403
➤CLASSIC 110 - 3 G2,5 35 36 37 L N PE
Tools needed
Stripping tool
Wire stripping pliers
Screwdriver 0.4 x 2.5
4
Join the connector to terminal block X1.
35 36 37
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CHAPTER 6. ELECTRICAL CONNECTION
6.5 Connecting Modbus cable
1
Strip the Modbus lead
Qualified electrician! Attention There is risk of damaging components if you install in the wrong sequence! ◮ First connect the Modbus leads to the power meters and afterwards to terminal block X1 in the storage system.
Communication between the power meters and the storage system is implemented over Modbus. The Modbus cable transmits a data signal (A and B) and provides a signal ground (GND).
11
1
4
7
11
1
4
◮ Be careful not to damage the shield of the Modbus lead. 2
Remove the plastic film
7
4
3
2 1
1
2
kvarh
kvarh
2
1 2 3 4
6
3
6
9
3
6
9
5
◮ Separate the shield of the lead from the wires. ◮ Remove the plastic film.
2
1
Figure 6.6: Illustration of Modbus connection
[1] [2] [3] [4] [5] [6]
3
Bend the shield backwards
Modbus lead 1 Modbus lead 2 Power meter 1 Power meter 2 Shield Modbus connector on terminal block X1 in main cabinet
◮ You must use the following cable: Manufacturer Lapp
Designation UNITRONIC
➤ BUS LD 2x2x0.22
Tools needed
Stripping tool
Wire stripping pliers
Screwdriver 1 x 5.5
Wire end ferrule crimping pliers
Number 2170204
◮ Bend the shield and yellow wire backwards. 4
Attach insulation
◮ Attach a shrink-on sleeve as insulation.
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CHAPTER 6. ELECTRICAL CONNECTION
5
Strip the wires
Lay the Modbus lead 8 ◮ Connect the other end of the Modbus lead (2) to the other power meter. 9
6
Strip the Modbus lead (2) and (1)
Press on the wire end ferrules (0.25 mm2 ) ◮ Be careful not to damage the shield of the Modbus lead. 10
7
Remove the plastic film
Connect the Modbus lead
◮ Separate the shield of the lead from the wires. ◮ Remove the plastic film. 11
Twist the shields
◮ It is unimportant whether the Modbus lead is connected to the generated or consumed power meter. Terminal A B GND
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Wire color white brown green
◮ Lightly twist the two shields together.
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CHAPTER 6. ELECTRICAL CONNECTION
Press on the wire end ferrules
16
Press on the wire end ferrules
◮ Lightly twist wires of the same colour together, then
◮ Press the wire end ferrule (bare 4 mm2 ) onto the twisted shields. 13
press wire end ferrules (0.75 mm2 ) onto the wires of the same colour. 17
Connect Modbus lead
Bend the shields backwards
◮ Bend the two shields and yellow wires backwards. 14
Attach insulation
◮ Connect the Modbus lead to the other power meter Terminal A B GND
◮ Attach a shrink-on sleeve as insulation. 15
Strip the wires
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Wire colour white brown green
Lay the Modbus lead 18 ◮ Connect the other end of the Modbus lead to the storage system.
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CHAPTER 6. ELECTRICAL CONNECTION
19
Strip the Modbus lead
◮ Be careful not to damage the shield of the Modbus
22
Bend the yellow wire backwards
23
Isolierung anbringen
lead. 20
Remove the plastic film
◮ Attach a shrink-on sleeve as insulation. 24
Strip the wires
25
Connect to terminal block X1
◮ Separate the shield of the lead from the wires. ◮ Remove the plastic film. 21
Attach the shield transition
◮ Bend the shield backwards. ◮ Attach the shield transition using the cable tie.
◮ Connect the Modbus lead to terminal block X1 in the main cabinet. Terminal 1 2 3 4
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Function A B GND Shield
Wire colour white browngreen green white (thick)
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CHAPTER 6. ELECTRICAL CONNECTION
6.5.1 Setting power meters
Configure power meter
Qualified electrician!
Operating and display elements of power meters 11
1
4
Power meters come preset ex works. The generated power meter is ready configured for connection of a three-phase PV system (or three-phase generator). If you connect a single-phase PV system (7→ Figure 15.4 p. 76), you must reprogram the
7
generated power meter.
3
1
Proceed as follows to reprogram single-phase metering on the generated power meter:
1 2
4
kvarh
2
1. Make sure the switch (7→ 6.7 p. 33) is not on Lock, but on one of the other switch settings. 2. Press for at least 3 seconds.
3
6
9
Figure 6.7: Operating and display elements of power meters
[1] [2] [3] [4]
The PASS ? menu appears. 3. Confirm by . 4. Navigate to the SYS menu item by (◭) and (◮).
Screen LED Joystick Switch
5. Press to call the submenu. 6. Select 1P (single-phase).
Element
1
kvarh
2
Function Screen The screen shows metered figures and menus for settings. LED Flashes proportionally to metered reactive energy (in kvarh) when the switch is set to kvarh. Joystick Can be pressed, pushed up or down, left or right. Symbols used in what follows: (◮) Push joystick right (◭) Push joystick left (N) Push joystick up (H) Push joystick down
Press joystick Switch There are four switch settings: Lock (Lock icon), 1, 2 und kvarh.
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Navigate to the following page by (N) and (H):
7. Confirm by . 8. Navigate to the End menu item by (◭) and (◮). 9. Press . 10. Set the switch of the power meter to Lock.
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CHAPTER 6. ELECTRICAL CONNECTION
6.6 Using extra connections
6.6.1 Connecting battery emergency stop switch
Qualified electrician! This section details the wiring of extra connections on terminal block X1.
Qualified electrician!
DANGER
By this switch, placed at an easily accessible point in the household, you can cut out the storage system in an emergency. Once it is actuated, the storage system is deactivated as a voltage source and fully cut out.
Danger to life through electric shock!
To install the battery emergency stop switch proceed as
During electrical work on the installation there
follows:
For an occupancy plan of terminal block X1 (7→ 15.1 p. 73).
is danger to life if you touch live parts. ◮ Disconnect the circuits.
1
Remove jumper
◮ Disconnect the storage system. ◮ Disconnect the back-up fuse. ◮ Follow the five safety rules. ◮ Only have qualified persons perform electrical jobs. The circuits described in this section are intended as examples and assistance for the electrician employed. The circuits are not generalpurpose, and the electrician is responsible for professional, correct wiring. In certain circumstances it may be necessary to obtain approval from an electricity utility.
◮ Remove the jumper between terminals 18 and 19. 2
Install the wiring
+24 V
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CHAPTER 6. ELECTRICAL CONNECTION
6.6.2 Connecting self-consumption switch
6.6.3 Connecting combined heat and power unit
Qualified electrician! Terminal 30 is a switching output that is activated upwards of a certain generated surplus (settings 7→ 10.3.9 p. 60).
Qualified electrician! The connection described here refers solely to a combined heat and power unit (CHP) that
L
produces constant electric power. Modulating generators (with fluctuating power) may not be
26 27 28 29 30 31 32 33 34
connected in this way.
The storage system controls energy flow in the household. If it is to work optimally, the power from a CHP must be registered. For a CHP producing constant power this is
+24V
possible by terminal 21, enabling the storage system to deA1
termine whether a CHP is momentarily active or not. The
K1ex
power output of the CHP can be entered on the screen
A2
under Settings-Generator-CHP (7→ 10.3.8 p. 59), which is added to momentary generation if the CHP is active. ◮ Set the power output of the CHP under Menu-SettingsGenerator. N
Figure 6.8: Self-consumption switch
[K1ex]
External contactor – not part of delivery
Wiring depends on whether or not the CHP has a floating operating contact. CHP with floating operating contact
When the output is activated (24 V on terminal 30) the contactor K1ex switches and the connected load (1) is powered. The coil connection A2 of contactor K1ex can be joined to terminal 8, 9, 10 or 11 of terminal block X1.
+24V
The maximum current over terminal 30 is 500 mA.
1 Figure 6.9: CHP with operating contact
[1]
Floating operating contact
The +24 Vdc potential can be picked off terminals 5, 6 or 7.
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CHAPTER 6. ELECTRICAL CONNECTION
CHP without floating operating contact
6.6.4 Connecting heat pump Qualified electrician! Installation of the two-rate meter must be car-
+24V
ried out by the power utility or network operator.
1
A heat pump billed by its own two-rate meter is located in a separate circuit, where control of the storage system cannot consider consumption of the heat pump. The Control U V W PE
2
G 3
Figure 6.10: CHP without operating contact
[1] [2]
Current relay CHP
If the CHP has no floating operating contact, you can connect it as illustrated above. The +24 Vdc potential can be picked off terminals 5, 6 or 7. A current relay enables you to detect whether the generator is momentarily active. This information can be sent to the storage system by a floating make contact of the current relay.
heat pump option enables the heat pump to be switched to the circuit of the consumed power meter. Consumption of the heat pump is then registered and considered in control of the storage system. ◮ Connect the circuit as in Figure 6.11 overleaf. Terminals 8, 9, 10 and 11 are all on GND potential. ◮ Join the coil connections A2 of K30 and K40 to one of these terminals. ◮ On the touch screen under Menu-Settings-Battery change the button Heat pump operation over battery from No to Yes. Operating principle Contactors K30 and K40 are connected on the outputs of the storage system. Actuating the button Heat pump operation over battery (7→ 10.2.5 p. 54) activates output 24 and switches K30, which in turn causes contactor K31 to pick up. K31 separates the heat pump from power through the public grid. Approx. 5 seconds after activation of output 24, output 25 is activated to switch K40, which in turn causes contactor K41 to pick up. K41 connects the heat pump to the circuit of the storage system.
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CHAPTER 6. ELECTRICAL CONNECTION
7
4 5 6 7 8 9 10 11 N
18 19 20 21 22 23 24 25
L1 L2 L3 N PE
GND
K41
+24 VDC
+24 VDC
A1
A1
K30
K40 A2
A2
L F50
11
1
4
7
3
1
kvarh
2
2 K30
35 36 37 3
6
9
K30 T
K40 K31
K31 A1
A1
K41 A2
A2
N
kWh 3~
kWh 3~
5
6
L1 L2 L3 N PE
1
Figure 6.11: Control heat pump
[1] Public grid [2] Consumed power meter [3] Storage system [4] Consumer in household [5] Two-rate meter [6] Up/down meter [7] Heat pump [F50] Miniature circuit-breaker 10 A (Eaton)) [K30] Installation contactor 24 Vdc (Eltako) [K40] Installation contactor 24 Vdc (Eltako) [K31] Installation contactor 230 Vac (ABB) [K41] Installation contactor 230 Vac (Siemens) Terminals 8, 9, 10 and 11 are all on GND potential. Join coil connections A2 of K30 and K40 to one of these terminals.
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CHAPTER 6. ELECTRICAL CONNECTION
6.6.5 Connecting PV reduction Qualified electrician! The PV cutout output of the storage system (7→ 6.6.6) must not be used if the output power of the PV inverter can be reduced to 0 % by PV
1
reduction.
2
The latest PV systems may be subject to feed-in power limitation, e.g. 70 % of rated power of the installation at the point where it ties to a grid. There are a variety of measures for this purpose. One measure is reduction of
1
PV power, by communication with the PV inverter across terminal pairs 26/27 and 28/29. Attention Damage to relays K71 and K72 by overload!
Figure 6.13: Connection without and with solar data logger
◮ Only load 26/27 and 28/29 up to a maximum voltage of 250 Vac and current of 6 A.
[1] [2]
26 27 K71
28 29 K72 Figure 6.12: K71 and K72
PV inverter Solar data logger
You can connect the storage system (X1) to the PV inverter (1) direct (support by the inverter) or by a solar data logger (2). The electrician must select which state of the output terminals corresponds to which output power of the inverter, or it depends on the supported values of the inverter. Ex-
Stufe 0 1 2 3
K71 off on off on
K72 off off on on
Relays K71 and K72 are installed in the storage system, which take different states depending on power limitation.
amples of advisable output power are as follows: Step 0 1 2 3
Output power 100 % 60 % 30 % 0%
No limitation is necessary in step 0. Both relays have not picked up. If power limitation is necessary, the system changes to step 1. And if this is inadequate, step 2 is activated, etc.
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6.6.6 Connecting PV cutout
PV cutout variant 2 Here relay K2ex cuts out the PV inverter indirectly by allowing contactor K3ex to drop out, separating the inverter
Qualified electrician! Cutout of the PV system by a relay (as de-
from the public grid.
scribed here) is unnecessary if the output power
L1 L2 L3
of the PV inverter can be reduced to 0 % by PV reduction. The advantage of reducing PV gen-
1
eration to 0 % compared to cutting out by a contactor is that the PV inverter is ready to L1 L2 L3 N PE
operate again faster. K2ex
The last measure to implement feed-in power limitation is cutout of the PV system by the storage system. For this
K3ex
purpose there is terminal 23 on terminal block X1, activated (+24 V applied) as soon as cutout of the PV system
N PE
Figure 6.15: PV cutout variant 2
becomes necessary. PV cutout is through a relay (K2 in the following diagrams). Coil connection A1 of the relay is joined to terminal 23 (the maximum current across which is 500 mA). Coil connection A2 is joined to terminal 8, 9, 10 or 11 (all on GND potential 24 V) of terminal block X1. On three-phase PV inverters it is adequate to interrupt a phase conductor to completely cut
[1] [K2ex] [K3ex]
PV inverter Relay with NC as main contact (not part of delivery) Relay with NO as main contact (not part of delivery) Terminals 8, 9, 10 and 11 are all on GND potential.
The advantage of this circuit is that, unlike in variant 1 (Figure 6.14), a more common relay (K3ex) can be used with an NO as its main contact.
out the inverter.
6.6.7 Emergency power PV cutout variant 1 In this case relay K2ex out the PV inverter directly by sep-
WARNING
arating phase conductor L1 of the inverter from the public grid.
Danger to life through electric shock! Incorrect use of the emergency power terminals can result in danger to life through elec-
L1 L2 L3
tric shock. Emergency power operation calls for appropriate safety precautions that ensure pro-
5 6 7 8 9 10 11 18 19 20 21 22 23 24 25
tection against personal injury. Use terminals
1
35-37 and 12-17 of terminal block X1 only toGND
gether with a Sonnenbatterie GmbH emergency
+24VDC L1 L2 L3 N PE
power box.
K2ex
N PE
Figure 6.14: PV cutout variant 1
[1] [K2ex]
PV inverter External relay with NC as main contact (not part of delivery) Terminals 8, 9, 10 and 11 are all on GND potential.
The main contact of relay K2ex in this circuit must be normally closed.
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CHAPTER 6. ELECTRICAL CONNECTION
6.7 Installing battery modules
1
Measure voltage of battery modules
Qualified electrician! WARNING Risk of burns! Very high shortcircuit currents are possible! Observe the following when working with battery modules: ◮ Before installing a battery module make V
sure the orange-coloured fused connector is not plugged in.
COM
V
Achtung ◮ Do not plug in the fused connector until the end! ◮ Take off metal jewellery of any kind that could cause a shortcircuit. ◮ Disconnect the storage system. ◮ Disconnect the back-up fuse.
Damage to battery modules through high compensation currents! When the storage system is switched on, differing voltages of the battery modules can lead to high compensation currents. ◮ Measure (see illustration above) and note voltages between the internal plus and minus poles of all battery modules.
Attention
◮ Only install battery modules if the maximum deviation be-
Damage to battery cells through shortcircuit!
tween measured voltages is less than 1 V. If it is more than
If, despite the utmost care when installing the battery mod-
1 V:
ules, a shortcircuit is caused, proceed as follows:
◮ Contact Service.
◮ By no means fit the battery modules concerned. ◮ Contact service personnel.
2
Number battery modules
Tools needed Screwdriver 0.4 x 2.5 Torque hexagon socket spanner A/F 5 – adjustable to 4 Nm
0 I/F(1)
DC voltmeter
B+
BC D
3456
01 EF 2
789A
1
ON
2 3 4
I/F(2)
B-
◮ Attach the supplied stickers. Numbering starts at zero and continues upwards.
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3
Set communication address
Place battery modules
5
0
I/F(1)
I/F(1)
I/F(1)
I/F(1)
BC D
BC D
789A
2
2
3
3
BC D
789A
ON
1
1
4
4
789A
BC D
3456
01 EF 2
ON
3456
3456
01 EF 2
3456
01 EF 2
01 EF 2
1
ON
789A
1
ON
2
2
3
3
4
4
I/F(2)
I/F(2)
B-
B-
B-
B-
I/F(2)
I/F(2)
I/F(1)
I/F(1) BCD
789A
BCD
3456
01 EF 2
3456
01 EF 2
ON
1
789A
1
ON
2
2
3
3
4
4
I/F(2)
I/F(2)
◮ Set the communication addresses of battery modules
I/F(1)
BCD
3456
01 EF 2
3456
01 EF 2
789A
BCD
B+
0
B-
B-
module.
2
I/F(1)
3
B+
by the particular rotary switch (7→ 15.2.4 p. 80). The communication address is the number of the battery
ON
1
789A
1
ON
2
2
3
3
4
4
I/F(2)
I/F(2)
B-
BB+
B+
1 I/F(1)
I/F(1) BCD
789A
BCD
3456
01 EF 2
3456
01 EF 2
ON
1
789A
1
ON
2
2
3
3
4
4
I/F(2)
I/F(2)
B-
B-
Set schedule switch
B+
5
B+
4
4
B+
6
B+
7
B+
1
B+
0
In storage systems without an add-on cabinet: ◮ Place battery modules as illustrated on the left.
7
In storage systems with an add-on cabinet: ◮ Place battery modules as illustrated on the right.
◮ Push the schedule switch (switch 4) of the battery module with the highest number upwards (switch setting ON, see illustration). On all other battery modules the schedule switch must be OFF (7→ 15.2.4 p. 80).
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CHAPTER 6. ELECTRICAL CONNECTION
6
DANGER
Connect DC leads
Danger to life through electric shock if DC
WARNING
leads are not properly connected!
Risk of fire through high contact resistance
Each battery module has a rated voltage of 51.2
and shortcircuit!
V. Using the supplied DC leads you connect
Wrongly attached DC leads can lead to a
the battery modules in parallel. Never connect
shortcircuit and thus produce extreme heat.
them in series because that can produce life-
DC leads not screwed on properly can also
endangering high voltages. And the high volt-
cause high contact resistance.
age can damage or destroy components.
Very high
currents flow in the DC circuit, so the high
◮ Make sure all battery modules are connected
contact resistance can lead to large energy loss
in parallel, i.e. that all plus poles of the mod-
(electrical energy that is converted into heat).
ules are connected to one another (red to red).
This can have the following results:
You must also connect all minus poles of the modules to one another (black to black).
• Cable fire: The region around the contact becomes inadmissibly hot, causing a fire and the release of substances dangerous to health. • Damage to battery modules: The high contact resistance produces different stressing of the battery modules, which can
1
B+
0
B+
damage or destroy them. Consequently you should proceed as follows:: ◮ Check all plugged connections. Only plug red DC leads into red sockets, and black DC leads into black sockets.
B-
B-
◮ Make sure all connectors are pushed all the way in.
◮ Connection of the DC leads 15.2.3 (p.78).
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◮ Observe the following:
Connecting to Combox
• Starting from F1 connect the plus lead to the plus pole of battery module 0. • Proceeding from terminal block X3 connect the minus lead to the minus pole of the last battery module (with the highest number). With Sonnenbatterie eco 2 this is battery module 0, with
CLICK!
Sonnenbatterie eco 4: battery module 1, with Sonnenbatterie eco 6: battery module 2, with Sonnenbatterie eco 8: battery module 3, etc up to Sonnenbatterie eco 16: battery module 7. • In the case of storage systems without an add-on cabinet: ◮ Wind up the two long DC leads and fix them with cable ties.
◮ Connect the BMS communication lead to the Combox as illustrated above. In the case of storage systems without an add-on cabinet: ◮ Use a short BMS communication lead, delivered with the battery modules. In the case of storage systems with an add-on cabinet: ◮ Use a long BMS communication lead, delivered with the add-on cabinet. 8
7
Connect BMS communication leads
CLICK!
◮ Connect the BMS communication leads as described
Check wiring
◮ Check screwed DC connections. ◮ Make sure the wiring is correct by referring to the overview plans (7→ 15.2.3 p. 78) and (7→15.2.4 p. 80). 9
Attach fused connector
◮ Attach the fused connector on all battery modules.
(7→ 15.2.4 p. 80). You must hear them click in. If a BMS communication lead has to be pulled out: 1. Press the nose on the connector. 2. Then take out the lead.
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CHAPTER 6. ELECTRICAL CONNECTION
6.8 Subsequent battery add-on Qualified electrician!
2
Charge to 85 %
Normally the charge drops below 85 % during the night. In the morning hours of the day on which you plan to add
Attention
battery modules the charge has to be increased to 85 %.
Damage to battery modules through high compensa-
◮ Proceed as follows:
tion currents! When the storage system is switched on, differing voltages of the battery modules can lead to high compensation cur-
1. Navigate to Menu - Function. 2. Press Menu - Function - Charge and then Standby.
rents. ◮ Charge the storage system to 85 % before installing new
3. Navigate to the start screen to observe the change of charge state.
battery modules. ◮ Measure and note the voltages of the individual battery modules before installation (7→ Measure voltage of battery modules, p. 40).
4. Deactivate charging at 85 % (+/- 3 %) by pressing Menu - Function - Standby.
◮ Only install battery modules if the maximum deviation between measured voltages is less than 1 V.
New battery modules come with 85 % charge. This is why older battery modules must also be charged to this level before installing new ones.
3
Disconnect storage system
7→ 8.1 p. 49 4
Install battery modules
7→ 6.7 p. 40 ◮ Proceed as follows: 1
Full charging of storage system (day before)
On a full charge the display of the charge state calibrates. Meaning that after a full charge the displayed charge state corresponds precisely to the actual state. So you should fully charge the storage system on the day before the planned battery extension. On storage systems operated together with a PV system it is best to fully charge at approx. 15:00 h. Normally the storage system will have a high level of charge at this time. So for a manual full charge little energy has to be drawn from the public grid. Proceed as follows to start manual full charging: ◮ Navigate to Menu - Function. ◮ Press Charge and then Automatic mode. You need not fully charge manually if the storage system was already fully charged in automatic mode on this day.
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CHAPTER 7. STARTING UP
7 Starting up This chapter details the procedure when first starting up.
7.2 Activating storage system Inside the main cabinet you find the main fuse switch F1 and button S1. You actuate these devices when activating the storage system.
7.1 Startup checklist Qualified electrician! OFF
◮ Check the following points before switching on the
OFF
storage system:
Requirements The location is as specified. (7→ 5.4.1 p. 18)
All DC leads are fully and correctly connected.
All Modbus leads are fully and correctly connected. The back-up fuse of the storage system is correctly configured. The electrical connecting cable satisfies all local and national directives for sizing such cables.
The electrical connecting cable is correctly fitted. A residual current operated device is correctly installed (only necessary in a TT network). If a single-phase generator is in place, the generated power meter is set for single-phase measurement (7→ 6.5.1 p. 33).
S1
F1
Figure 7.1: Main fuse switch F1 and button S1
[F1] [S1]
Main fuse switch Precharging button
Attention Damage to storage system by high current! When you activate the storage system, components can be damaged by excessive current if you do not proceed correctly. ◮ Be sure to activate the storage system as detailed in what follows.
Proceed as follows: 1. Make sure the battery emergency stop switch
1
(if
implemented) is switched on. 2. Press button S1 for at least 3 seconds and keep it depressed for the following step. 3. Switch on the main fuse switch F1 in the main cabinet. 4. Release button S1. The storage system then ramps up and conducts a selftest (7→ 7.4 p. 46)). If this is successful the storage system is ready to operate.
1 If
a battery emergency stop switch is installed, this is outside the storage system (7→ 6.6.1 p. 34).
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CHAPTER 7. STARTING UP
7.3 Adapting software settings Qualified electrician! When starting up, certain software settings are necessary to ensure correct functioning of the storage system. The software is described in more detail in Chapter 10. These settings must be made by qualified technicians. Settings require Service authorization. ◮ Log in with Service authorization. You are given logging in data in installation training.
7.3.1 Data for PV system Qualified electrician!
7.4 Selftest Qualified electrician! Every time the storage system ramps up, it conducts a selftest, starting approx. 1 minute after it is fully ramped up. As long as the test is not conducted, you see the i button on the screen in the top right corner of the start page. Press i and you see the message Selftest to run . If the selftest is successful the message disappears. If the selftest was not successful the start screen shows the ! button top right. After pressing this button a further window appears in which different error messages are shown. These and instructions for correcting the particular error are explained in what follows. The battery modules are minimally charged for the selftest. So conducting the selftest is not
1. Navigate to page Settings – Generator – PV – General (7→ 10.3.7 p. 59).
possible if: • The battery charge is too high. • There is no energy from the public grid. In these cases the selftest is conducted as soon
2. Set Rated power of PV system.
as it is possible.
3. Set Maximum feed-in power to the required figure (if feed-in limitation is necessary). 4. Set the button in the field Single-phase PV generation to Yes if the PV system is single-phase.
7.3.2 Setting postal code for PV forecast 1. Navigate to page Settings - Storage system Product info (7→ 10.3.3 p. 57) . 2. Enter the postal code and country (e.g. DE for Germany) of the storage system location to fetch correct weather data.
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CHAPTER 7. STARTING UP
7.4.1 Addressing battery modules
7.4.2 Cabling battery modules
The following error message appears if the test detects
Correct cabling is also inspected by the battery
incorrect addressing:
configuration test of the DC circuit and the cabling of the
Check battery module address Proceed as follows to correct this error: 1
Switch off storage system
7→ 8.1 p. 49 2
BMS communication leads. If the test is not successful, the following messages can appear: Check communication leads and addresses of battery modules! Check DC leads of battery modules!
Check communication addresses
◮ Proceed as follows if one of these errors is indicated:
7→ 6.7 p. 40 ◮ Check the position of the rotary switches on all battery modules. Possible errors: • The addressing does not commence with communication address zero. • The same communication address is set on more than one battery module. 3
Check schedule switch
7→ 6.7 p. 40 ◮ Check schedule switch The schedule switch (switch 4) must be OFF for all battery modules. Only on the battery module with the highest number must it be ON. The selftest cannot detect all addressing errors. Consequently it is possible for an error to exist but no error message appears.
1
Switch off storage system
7→ 8.1 p. 49 2
Check DC circuit
7→ 6.7 p. 40 ◮ Make sure all DC leads are correctly connected to the battery modules. 3
Check communication circuit
7 6.7 p. 40 → ◮ Make sure all communication leads are correctly connected to the battery modules.
7.4.3 Number of battery modules The following error message appears if the wrong number of battery modules is installed: Number of battery modules not supported! Attention Damage to storage system by connecting wrong number of battery modules! The storage system is intended for connection of 2 to 8 battery modules. Operating it with fewer or more battery modules is not possible. ◮ Make sure the correct number of battery modules are connected.
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CHAPTER 7. STARTING UP
7.5 Startup report
7.6.1 Automatic full charging earlier
The operator receives a copy of the fully completed
You can also start full charging manually at any earlier
startup report from the certified fitter, who keeps the original.
time. Proceed as follows: 1. Navigate to page Operating mode
As the operator note the following:
(7→ 10.2.4 p. 54).
◮ Keep your copy of the startup report. 2. Press Charge and then Automatic. As the fitter note the following: ◮ Send a further copy of the fully completed startup report within 5 working days to Sonnenbatterie GmbH. The startup report ready for completion is attached to these operation and installation instructions.
7.6.2 Automatic full charging later If you wish, you can postpone automatic full charging until the next day. After automatic full charging starts, the screen page Operating mode shows the button Shift full charge.
7.6 Automatic full charging
1. Navigate to page Operating mode
Full charging is initiated so that the storage system can calibrate to its full storage capacity after (re)installation
2. Press the button Shift full charge to move automatic full charging to the next day (15:00 h).
(7→ 10.2.4 p. 54).
or exchanging one or more battery modules. Automatic full charging starts at 15:00 h so that as little energy as possible needs to be drawn from the public grid. The start page shows the message Planned full charge 15:00 h .
Full charging may take time.
After full charging the storage system is ready to operate.
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CHAPTER 8. SHUTTING DOWN
8 Shutting down
8.1.2 Ramping down storage system Proceed as follows to properly ramp down the storage
Attention
system:
Damage to battery modules through exhaustive dis-
1
charge!
Press
button
If not connected to the public grid the battery modules can be damaged by exhaustive discharge. ◮ Do not leave the storage system disconnected for an extended period (7→ 4.1 p. 14).
8.1 Shutting down storage system Attention Damage to components by wrong shutting down! Shutting down incorrectly can damage components and result in data loss.
◮ Press the button bordered in red on the start page.
◮ Only disconnect the storage system in an emergency by the main fuse switch or the battery emergency stop switch
2
Confirm ramping down
(if implemented). If there is no emergency: ◮ Ramp down the storage system.
8.1.1 Shutting down in emergency In an emergency you can shut down the storage system by the main fuse switch F1 inside the main cabinet or the battery emergency stop switch (if implemented). ◮ Press OFF
OFF
again to confirm ramping down. Ramping down takes about 30 seconds. The storage system is shut down once the DC circuit is – audibly – interrupted by the main fuse switch F1.
F1
Figure 8.1: Main fuse switch F1
◮ In an emergency operate the main fuse swith inside the main cabinet or the battery emergency stop switch (if implemented). ◮ Only operate the main fuse switch if there is no risk in doing so.
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CHAPTER 9. OPERATION
9 Operation
9.1.2 Charge operating status
9.1 Operating status The storage system may be in one of the following operating statuses: • Standby • Charge • Discharge • Emergency power • Off The operating statuses are explained in more detail in what follows. The figures illustrate the energy flow possible and not possible in the particular status. Energy flow possible Energy flow not possible
9.1.1 Standby operating status
Figure 9.2: Charge
Charge stores electrical energy in the battery. In automatic mode the charging power depends on the available generated surplus and the charge status of the battery. Manual charging uses constant power, possibly also with emergency power.
9.1.3 Discharge operating status
Figure 9.1: Standby
Standby keeps the system in a monitoring function. The battery is neither charged nor discharged. On a low charge status there may be brief charging of the battery, however, to prevent exhaustive discharging of the battery modules. Energy may be imported from the public grid to support charging. The remaining energy flow in the household is monitored and controlled.
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Figure 9.3: Discharge
Discharge delivers energy stored in the battery into the home network. The power cannot exceed the consumption required in the household. If the battery is unable to serve the entire home consumption, the remainder comes from the public grid.
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9.2 Operating mode
While there is no generation (e.g. nighttime) the con-
The storage system controls the energy flow and thus the
sumers in the household are supplied by the storage system up to maximum battery capacity. Extra energy needed is imported from the public grid.
operating status in the household depending on the activated operating mode (7→ 10.2.4 p. 54). ◮ For continuous operation select automatic mode.
Automatic connection of consumers Connection of consumers is possibly preferable to feed-in
9.2.1 Automatic mode
into the grid. This may be a washing machine or a heater for instance.
In automatic mode the storage system automatically changes to the right operating status. The basis for control in automatic mode is continuous measurement of consumption and generation. If generation exceeds consumption for a certain time, the battery commences charging of free capacity. Depending on the setting the consumer connected by the self-consumption switch (7→ 10.2.5 p. 54) is additionally cut in. Also, depending on the setting, the optional wireless socket outlets (7→ 11.2.4 p. 64) can be cut in. Once the storage system is fully charged, it changes to
There are two possibilities for automated connection of consumers: 1. Integrated self-consumption switch (7→ 10.3.9 p. 60) 2. Optional wireless socket outlets (7→ 11.2.4 p. 64)
9.2.2 Manual mode
standby status. Surplus energy is fed into the public grid. If generation is less than consumption, the battery switches
Standby
to discharge. This is only an amount needed in the house-
As long as Standby is selected manually, the system is
hold. Note that necessary switching times of the system
in standby status. The storage system is neither charged
can lead to slight controlling delays.
nor discharged. Floating charging guards against a critical
Energy management in automatic mode In automatic mode all energy flow is controlled automatically. Depending on generation the storage system switches between charge and discharge.
charge status. ◮ Select standby to keep the charge status constant.
Charge
While energy is being generated it is distributed with the
If Charge charge is selected manually, the system is in charge status until the battery is fully charged. Then the
following priority:
system changes to standby or automatic mode, depending
1. Consumers in household 2. Charging of storage system
on choice. On manual charging the battery is charged with constant current (settings 7→ 10.3.5 p. 58). If generated power is inadequate, additional energy is imported from the public grid.
3. Feed-in to grid
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CHAPTER 10. SOFTWARE
10 Software
10.2 Description of screen pages On the screen pages you find displays and buttons.
10.1 Operating touch panel
• Displays show information. Example: Display of the autarky on the start page. • Buttons are pressed to go to further pages or make settings. Example: The Menu button takes you to the menu page. This section explains screen pages with reference to the displays and buttons.
10.2.1 Start page You operate the panel by touching the displayed buttons. For the touch panel you can configure both a lockout (child safety) and a screen saver (to cut out background lighting) (7→ 10.3.12 p. 61).
10.1.1 Navigating in touch panel Navigating to menu pages ◮ Press the particular button to go to the wished submenu. Navigating to previous screen page
Press the
back
the previous page.
button to navigate back to
Anzeigen auf der Startseite [1] Autarky of last 7 days [2] Momentary date / time [3] Momentary charge / discharge [4] Momentary charge status [5] Momentary generation [6] Momentary consumption [7] Momentary feed-in / import
percent dd.mm.yy/hh:mm kW percent kW kW kW
Displayed figures are subject to certain measuring inaccuracies. So there may be a difference from what electricity meters show. Only the indication by meters is relevant for electricity billing. Buttons [8] ◮ Calls up overview page [9] ◮ Calls up menu [10] ◮ Ramps down storage system
(7→ 10.2.2 p. 53) (7→ 10.2.3 p. 53) (7→ 8.1 p. 49)
After 5 minutes without an entry the start page automatically appears. After 15 minutes (standard figure) without an entry the brightness of the screen reduces slightly. ◮ Touch the screen to restore full brightness.
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The following elements may also appear on the start page: Element
!
Check notices!
i Initializing
i
10.2.3 Menu page
Meaning Notices and error messages ◮ Press the warning triangle to call up notices. Detailed listing of all messages: (7→ 13 p. 71) Important information ◮ Press the i ) icon to see information. Appears during initialization of the battery management system (e.g. after ramping up the storage system). Appears if the screen cannot be accessed because of the child safety lockout (7→ 10.3.12 p. 61)
10.2.2 Overview page
Buttons Operating mode Switch consumer Settings
Displays Generation Consumption Import/feed-in Charge / discharge Battery capacity
Charge status
momentary momentary momentary momentary
◮ Selects the operating mode. (7→ 10.2.4 p. 54). ◮ Consumer takes you to the consumer page. (7→ 10.2.5 p. 54). ◮ Enables you to make settings. (7→ 10.3 p. 55).
generation in kW consumption in kW import / feed-in in kW charge / discharge in kW
total battery capacity in kWh (depending on number of installed battery modules) momentary charge status in percent
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10.2.4 Operating mode page
10.2.5 Switch consumer page This page refers solely to consumers switched by means of the self-consumption switch of the storage system. Settings on this page have no effect on the pattern of the (optional) wireless socket outlets. Wiring of the self-consumption switch (7→ 6.8 p. 35).
◮ Press the appropriate button to select the wished operating mode. Buttons Automatic mode
Standby
Charge then standby Charge then automatic
◮ Press to activate this operating mode (7→ 9.2.1 p. 51) For continuous operation: ◮ Activate automatic mode. ◮ Press to activate this operating mode. In standby mode the battery is neither charged nor discharged. There may only be brief charging to prevent exhaustive discharge of the battery modules. ◮ Press to activate this operating mode. After full charging the storage system changes to standby. ◮ Press to activate this operating mode. After full charging the storage system changes to automatic mode.
Buttons Manual switch
Automatic
You can configure the current with which the battery is manually charged in the settings (7→ 10.3.5 p. 58).
Changing operating mode
Heat pump operation over battery
◮ Press to activate / deactivate the selfconsumption switch integrated in the storage system. ◮ Press to select/deselect automatic switching of the self-consumption switch. On Automatic the self-consumption switch is automatically activated / deactivated by the metered generated surplus (for settings 7→ 10.3.9 p. 60). This button appears as soon as connection of a heat pump to the storage system is enabled (7→ 10.3.4 p. 57). ◮ Press so that consumption of the heat pump by the storage system is registered. For exact principle of operation (7→ 6.6.4 p. 36).
Changing operating mode: ◮ Press the button for the required operating mode.
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CHAPTER 10. SOFTWARE
10.3 Making settings
10.3.1 Enabling changed settings
This menu enables you to alter parameters.
To be able to alter a parameter, you must first log in as a user. The log-in window appears automatically as soon as you press Settings on the Menu page Settings are protected by a password to prevent accidental entries. You can log in as a user as follows: Log-in data User:
User
Password:
1010
Proceed as follows to log in: 1
Press ...
Attention Damage to storage system by wrong settings! An incorrect setting can damage the storage system. ◮ You may only change parameters in the settings menu that require a higher authorization level (service, support, vendor) by agreement with authorized technicians.
Parameters selected by buttons can be altered. Changing parameters that only appear as a display calls for a higher
2
Navigate > to User
authorization level. For warranty reasons this may only be done by an authorized electrician.
3
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Confirm by
RET
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CHAPTER 10. SOFTWARE
4
10.3.2 Operating entry window
Press Password
As soon as numerics and letters need to be entered, an entry window automatically appears on the screen.
5
Enter 1010
Figure 10.1: Numerics entry window [1] [2] [3]
6
Confirm by
Correct entry: Cancel entry: Confirm entry:
≪ RET ESC
RET
Figure 10.2: Keypad entry window
7
Confirm again by
[1] [2] [3]
RET
Correct entry: Cancel entry: Confirm entry:
≪ RET ESC
Figure 10.3: Date and time entry window [1] [2] [3] [4]
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Date / time register Time zone register Confirm entry: Cancel entry:
Ok Cancel
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10.3.3 Screen page Settings – Storage system – Product info
Buttons Country and postal code
Displays Branding and serial number HW version Product name
◮ Press the left button to set the country, e.g. DE for Germany. ◮ Press the right button to set the postal code.
Set ex works. Set ex works. Precise designation of the storage system.
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10.3.4 Screen page Settings – Storage system – Pattern
Displays Case fan
Heat pump operation over battery
This shows the pattern of the case fan. In the above example the case fan switches on as soon as a temperature of 45➦C is reached inside the cabinet. It then remains switched on until the temperature drops below 35➦C. This field enables connection of a heat pump to the storage system. As soon as the button is changed from No to Yes (by an authorized technician), the Switch consumer menu shows the button Heat pump operation over battery by which the heat pump can be switched manually. For exact principle of operation (7→ 6.6.4 p. 36) beschrieben.
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10.3.5 Screen page Settings – Charge pattern – General
Buttons Charge current
Displays Maximum phase imbalance
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◮ Press to change the charge current in manual charging (7→ 10.2.4 p. 54). The charge current in manual charging specifies the constant current to charge the battery.
When using the storage system (single-phase) together with a single-phase generator a maximum imbalance of 4.6 kVA must be maintained. If this field appears, the storage system ensures that the limit is not exceeded. The Maximum phase imbalance field can be activated on the screen page Settings–Generator–PV–General by selecting single-phase PV generation. The single-phase PV system and the storage system must both be connected on phase L1. Example: L2: 2200 W consumption; L3: 2000 W consumption In this example a maximum 2400 W may be fed into the grid on phase L1. The momentary electrical power transmitted over phase L1 is composed of the following energy flow: • momentary power from PV system, • momentary power output/import of storage system, • momentary consumption.
10.3.6 Screen page Settings – Charge pattern – Service
Displays Reduce (dis)charge
Reduce (dis)charge serves as a buffer. This ensures that unwanted or inadmissible energy flow is prevented through inaccurate measurement. When charging the reduction prevents unwanted import from the public grid: charge = generated power – consumption – reduced charge
When discharging the reduction prevents inadmissible feed-in to the public grid: discharge = consumption – generated power – reduced discharge
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10.3.7 Screen page Settings – Generator – PV – General
10.3.8 Screen page Settings – Generator – CHP
Unauthorized alteration of the settings on this
Unauthorized alteration of the settings on this
screen page may have legal consequences!
screen page may have legal consequences!
Displays Rated power of PV system Single-phase PV generation Max. feed-in power
Here you can see the rated power of the PV system (in kWp). This shows whether it is a single-phase or threephase PV system. If feed-in power limitation is applied, here you can see what percentage of set PV rated power (maximum) is fed in.
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Displays Electrical power output CHP BHKW
Here you can see the constant power output of a CHP. As soon as the CHP is in operation, the entered power is added to generation and shown on the start screen. Integration of a CHP with constant power output 7→ 6.6.3 (p. 35).
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10.3.9 Screen page Settings – Consumer
10.3.10 Screen page Settings – BMS – General
Here you set parameters relating to the switching pattern of the self-consumption switch by which a consumer is connected.
Displays Total capacity Charge cycles Buttons Generated surplus
Length of activation
◮ Press to set the generated surplus. This setting determines from which surplus (= generation – consumption – charge) the selfconsumption switch is activated. Connection of a consumer to the self-consumption switch (7→ 6.8 p. 35). ◮ Press to set the length of activation. This determines how long minimally the selfconsumption switch remains activated. In the above example the switch also remains activated if the surplus drops below 1000 W within the set 30 minutes.
Connection of a consumer to the selfconsumption switch must be made by a quali-
Withdrawn energy
This is the maximum amount of energy in kWh that can be stored in the battery. This shows the number of charge cycles since startup of the storage system. A charge cycle is a combination of charging and discharging the battery. During a charge cycle the complete useful capacity is charged in the storage system and then discharged. Example of a charge cycle: The storage system has a charge status of 85 % and is charged to 100 %. During the night the battery is fully discharged (from 100 to 0 %). On the next day it is again charged to 85 %. Here you see the amount of energy withdrawn in Wh since the last full charge.
10.3.11 Screen page Settings – Touch panel – Time and language
fied technician!
Buttons Date / time Language
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◮ Press Set to alter the date and time. ◮ Press the flag icon to select the language.
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10.3.12 Screen page Settings – Touch panel – Screen
Buttons Lighting
Brightness Child safety
◮ Select Yes / No to set the required reaction. On No the screen is continuously in operation. On Yes the screen is turned off when you change to the start page. To turn the screen on: ◮ again touch it at any point. ◮ Press 20 / 40 / 100 % for the required screen brightness. ◮ Select Yes / No to switch the child safety lock on and off. When it is switched on you can enter a PIN. ◮ Enter a PIN by which the child safety lock can be cancelled. The child safety lock disables all buttons when you change to the start page. To unlock the screen again: ◮ Press the lock icon. ◮ Enter the PIN. If you forget the password, you must restart to reset it. Proceed as follows: 1. Withdraw the green plug on the rear of the touch panel. 2. Leave the plug out for at least 5 seconds. 3. Reconnect the green plug.
Touch panel
◮ Press Calibrate to improve operation of the touch panel. During calibration a cross appears on the screen and drifts. ◮ Press the middle of the cross for about 3 seconds.
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10.3.13 Installing software update Sonnenbatterie GmbH is constantly improving its products. So there may be a new software version for your particular product. Read here how to install an update:
5
Confirm update
After successful installation of the software update the storage system is automatically restarted. You then see the following message: Software update completed
A software update takes approx. 3 minutes, during which time you cannot use the storage system.
1
The new version is X.YZ Here are shown the most important changes in comparison to the previous version.
Software update available
As soon as new software is available, you see the i
In red colour there are shown important informations and actions.
button on the start page. 2
Press i button The information page opens. 3
Close
Press Softwareupdate installieren
◮ Follow any displayed instructions. ◮ Press Close.
Install Software-Update
4
The update is now installed and the storage system – after a selftest – again fully functional.
Start update
All settings made before the update are kept. The only exceptions are Child safety and Light-
The following window opens:
ing. These must be set again in screen page
NewSsoftwareSversionSavailable. TheSmostSimportantSchangesSin comparisonStoStheSpreviousSversionSare:
Settings – Touch panel – Screen.
UpdateStoSversionSX.YZ HereSthereSareSshownStheSmostSimportant changesSinScomparisonStoStheSprevious softwareSversion.
InSredScolourSthereSareSshownSimportantS informationsSandSactions.S
StartSUpdate
Cancel
◮ Follow the instructions. ◮ Press Update starten. If the update is not to be installed: ◮ Press Cancel.
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CHAPTER 11. INTERNET ACCESS
11 Internet access The storage system can connect through the Internet to the server and use further services. The storage system can connect through the Internet to the server and use further services.
11.2 Internet portal On the Internet portal it is possible to view current and saved data of your storage system. The storage system must be connected to the Internet for use of this functionality.
Access by the manufacturer or authorized service partners is restricted to maintenance and supervision of the storage
11.2.1 Logging in on portal
system. Anonymized analysis of operating data serves the purpose of further development and monitoring of hardware and software.
1. Enter the following Internet page in the browser: https://meine.sonnenbatterie.de The following log-in window appears:
11.1 Connecting to Internet 1. Make sure the network cable of the storage system is connected to your router. Figure 11.1: Portal log-in
2. Make sure your router automatically configures newly connected network devices as DHCP servers. 3. Make sure the TCP or UDP ports of the following
2. Enter access data received with the delivery package. 3. Click on Log in.
services are enabled for outgoing connections in the router: TCP port 22 37 80 222 232 443
Service SecureShell (ssh) Time Server (ntp) Online-Check (http) VPN (server connection, ssl) VPN (backup) App control (https)
UDP port 1196
Service (Server connection, ssl)
4. Make sure no ports are enabled for incoming connections. They represent a possible security risk.
Settings on the router to enable ports are only necessary in exceptional cases. The above port releases are as a rule ready preset on the router.
The storage system connects to the Internet automatically. No further steps are necessary.
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11.2.2 Overview page
11.2.4 Control page
The overview page collects all information that can be
This section refers to controlling the optionally available
viewed on the portal.
wireless socket outlets. On the control page you can determine how an energy surplus is distributed in the household: Generated surplus = generation − consumption
1
2
Figure 11.2: Portal overview page
3
4
◮ Press the Status, Control, Pattern or Forecast button to call up the particular page.
1
2
3
Figure 11.4: Example of generated surplus
11.2.3 Status page On the status page you can see the momentary operating status and charge status in addition to momentary power
[1] [2] [3] [4]
Generation Generated surplus Consumption Charge
In the above example the generated surplus is sufficient to
figures.
charge the battery and power the consumer connected to socket outlet 1. But the surplus is not enough to power the other two consumers (socket outlets 2 and 3). Using the priorities list it is possible to say in which sequence the generated surplus is distributed. Position (1) has the highest priority, position (4) the lowest. By the priorities list below wireless socket outlet 1 is connected as soon as the generated surplus exceeds the sum of charge power (of battery) and threshold (of socket outlet 1). Socket outlet 2 is not switched on until after socket outlet 1. This sequence is repeated until all wireless socket outlets are switched on or there is no more generated surplus. Figure 11.3: Portal status page
The field of the particular socket outlet shows the momentary drawn power and the total energy imported on the socket outlet.
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Socket outlet settings
Figure 11.7: Socket outlet settings Figure 11.5: Priorities list
◮ In the top field you can alter the name of the wireless
◮ Click on the arrows to alter the sequence. ◮ Click on a socket outlet to go to its settings page. The turn-off sequence of the socket outlets is the reverse priorities list (first socket outlet 3, then 2 and finally socket outlet 1). This means that socket outlets 1 and 2 are automatically active when socket outlet 3 is active (see example below). 1 2
socket outlet. ◮ Use the ON and OFF buttons to switch the socket outlet on and off manually. Manual selection of ON and OFF deactivates AUTO. ◮ Pressing AUTO turns on the socket outlet automatically by the priorities list and it is not skipped. ◮ Next to the AUTO button you can enter a power (W) and time (min) figure. These determine from what threshold and how long (switching duration) the socket outlet is minimally switched on . ◮ When the AUTO and Peak consumer buttons are activated, this wireless socket outlet is automatically connected when needed to implement feed-in power limitation. The set threshold and priorities list are ignored.
3
1
2
t
3
Figure 11.6: Example of switching duration of wireless socket outlets
Adapt the threshold and switching duration of the wireless socket outlets to the connected consumer. If a lower threshold is set for a socket outlet
[1] [2] [3] dark green light green
Generated surplus is sufficient to activate socket outlet 1. Generated surplus is sufficient to additionally activate socket outlet 2. Generated surplus is sufficient to additionally activate socket outlet 3. Socket outlet active and set switching duration not yet exceeded. Socket outlet active and set switching duration exceeded.
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of lower priority than for one of higher priority, the priorities list is still maintained.
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11.2.5 Pattern On this page you can view the pattern of different energy flow. Displayed figures are subject to meter tolerances and rounding errors. Only indication by meters is relevant for electricity billing.
Power diagram The power diagram shows different energy flow (power) as a function of time.
Elements of power diagram (1) ◮ Click on one of the buttons Day, Week, Month or Year to set the time frame displayed in the diagram (see (4)). (2) ◮ Click on the zoom icon to activate/deactivate full screen. (3) The Y-axis of the diagram shows the power in W. The abbreviation k“ stands for kilo, so 2,5k means 2.5 kilowatts or ” ” ” 2500 W. (4) The X-axis of the diagram shows the time, in this example one day. (5) Here you can see which energy flow is shown by which colour in the diagram. Blue is Consumption for example. ” ” ◮ Click on an energy flow (e.g. Consumption ) and it ap” ” pears in the diagram or is blanked. (6) ◮ Click on one of the buttons below the diagram to navigate to earlier time frames. In the above example it is at the moment about 11:00 h on 09.10.2014. A time frame from 08.10.2014 at 11:00 h until 09.10.2014 at 11:00 h is therefore shown in the diagram. Clicking on < 6 h alters the displayed time frame, and it is now from 08.10.2014 at 05:00 h until 09.10.2014 at 05:00 h. (7) ◮ Click on this button to print out the displayed diagram. (8) ◮ Click on the entry field to the right of Go to to select a date. ◮ Click on the > button to confirm. (9) ◮ You can place the mouse in the diagram to display the exact values of energy flow at a particular time. Drag and drop to select a smaller time frame in the diagram. 1. Click on the wanted point and keep the left key pressed. 2. Drag the mouse to the left or right.
Figure 11.8: Power diagram
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3. Release the left mouse key once the required range is marked.
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Analysis of power diagram
Pie diagram – generation
Self consumption 68,6%
Given the high density of information, analysis of a power diagram is not too simple. For better understanding, some points in time of a power diagram are analyzed in what follows. Extra information on power diagram Rated power of PV system 5 kWp Feed-in power limitation to 60 % (0.6x5kW = 3kW)
Generation 178,43 kWh
Feed-in 31,4% Figure 11.10: Pie diagram – generation Figure 11.9: Analysis of power diagram
Analysis of points in time of power diagram (1) It is dark (no generation (yellow)). Consumption (blue) and discharge (red) have the same value (approx. 500 W). Consumption is consequently covered by discharge of the storage system. (2) Generation (yellow) is about 1000 W. This is used to cover consumption (blue), to charge the storage system (green) and feed into the grid. (3) Generation has risen to approx. 2500 W. This is used to cover consumption (blue) and minimally charge the storage system (green). The intelligent charge management prevents charging with higher power. This pattern ensures that storage capacity is kept free to hold part of the later midday peak in the storage system. (4) Consumption (blue) has risen to approx. 2000 W. This is covered by generation (yellow). (5) The midday peak is reached. Generation (yellow) is at its daily maximum (about 4000 W). Consumption (blue) would not suffice to drop feed-in below the 3000 W (60 %) limitation. The battery is consequently charged. (6) From here the entire surplus energy is conducted into the storage system so that it is fully charged by the evening. (7) From here charging of the storage system (green) is only minimal. The storage system is almost fully charged. (8) See (1)
Generation (yellow) indicates the electrical energy won by the generator in the period considered. The energy fed in is light yellow. The dark yellow share represents selfconsumption:
self − consumption = generation − feed − in Self-consumption is consequently the share of generation that was not fed in but buffered in the battery or consumed. For the self-consumption share: self − consumption share =
Share 0% 100 %
self − consumption generation
Meaning Energy won by the generator was fed in entirely. Complete energy won by the generator was conducted into the battery or consumed.
Pie diagrams are displayed beneath the power diagram. These always refer to the time frame shown in the power diagram.
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Pie diagram – consumption Self consumption Autarky 81,3 %
11.2.6 Forecast Based on the consumption pattern to date the storage system is able to forecast consumption for the near future (blue). By collecting weather data it is also possible to produce a generation forecast (yellow). These forecasts are
Consumption 171,38 kWh
shown in the following diagram.
Purchase 18,7% Figure 11.11: Pie diagram – consumption
The blue consumption is the energy required in the household in the period considered. Purchased energy (imported from the grid) is light blue. Dark blue is self-production: Figure 11.12: Portal forecast
self − production = consumption − import
Self-production is consequently the share of energy consumption that was not imported from the grid. For autarky:
autarky = Share 0%
100 %
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self − production consumption
Meaning The energy required in the household came entirely from the grid. There is thus full dependence on the power utility. The energy required in the household was covered entirely by selfproduction. There is thus full independence (autarky) from the power utility.
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CHAPTER 11. INTERNET ACCESS
11.3 Smartphone app The smartphone app enables you to monitor and control the battery. It is currently available for Android and iOS devices (iPhone, iPad). The telephone must feature a data link, which may result in cost.
1. Search for Sonnenbatterie in the app store. If the app is not shown, your device is not compatible. 2. Install the app. 3. Start the app and enter the access data included in the delivery package. Alternatively you can use the following log-on data to test the app:
11.3.1 Installation and configuration
11.3.2 Operating smartphone app
You can obtain the app free of charge through the official channels of the particular platform: for iOS App Store, for Android Google Play. Proceed as follows:
With the smartphone app you can view the same data and
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make the same settings as on the Internet portal. You can consequently operate it as in section 11.2.
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CHAPTER 12. MAINTENANCE AND SERVICE
12 Maintenance and service
12.3 Servicing storage system Attention
12.1 Maintenance
Risk of damage through incorrect cleaning utensils! ◮ Only use / avoid the cleaning means given in this section.
Regular cleaning and performance checks of the storage system are a guarantee for its interference-free operation,
◮ Do not use a high-pressure cleaner or hose. ◮ Do not use aggressive cleaning agents.
working safety and long useful life.
12.3.1 Cleaning screen 12.1.1 Maintenance of battery modules ◮ Clean the screen carefully with a soft, damp cloth. The battery cells of the storage system are lithium-iron phosphate (LiFePO4 ) and maintenance-free.
12.2 Performance check How often Every 2 weeks
Every 6 months
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What to do ◮ Make sure there is no interference, e.g. check whether there are error messages on the start page ◮ Check for changes in charge status. On a sunny day the storage system should charge to 100 % and the charge status drop substantially overnight.
For stubborn soiling first spray a little washing-up liquid on the damp cloth.
12.3.2 Cleaning cabinet You can clean the outside of the cabinet. ◮ Only use a soft, damp cloth.
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CHAPTER 13. TROUBLESHOOTING
13 Troubleshooting The following events can occur: Event
!
Check notices!
Cause
Remedy
Depending on message
7→ 13.1 p. 71
The integrated fan is running.
The fan starts automatically as soon as the set temperature inside the cabinet is exceeded (7→ 10.3.4 p. 57). So fan noise is normal and no steps are necessary.
appears on start page.
Fan noise
13.1 Fault display on screen As soon as a fault is detected, the following button appears top right on the start page:
!
◮ Press the warning triangle to see the message(s). In the following table you see all messages that can appear.
Check notices!
Message
Action
Fault in communication with inverter
◮ Immediately contact service. There is no Internet link. Possible remedy: ◮ Check the Internet link with other devices (e.g. access possible from a PC?). ◮ Check the cabling of the household network. ◮ Restart the Internet router of the household network. If the fault is still present: ◮ Contact service. A Modbus fault is indicated for a transmission problem. ◮ Acknowledge receipt of the fault by the Reset button. If the Modbus fault is still indicated shortly after pressing Reset there is a sustained transmission problem. ◮ Contact service. If a Modbus fault repeatedly appears: ◮ Immediately contact service.
No server access Check Internet link!
Modbus fault
Check communication leads and addresses of battery modules!
◮ Contact service. Follow instructions 7→ 7.4.2 (p. 47).
Check DC leads of battery modules!
◮ Contact service. Follow instructions 7→ 7.4.2 (p. 47).
Check addresses of battery modules! Number of battery modules not supported!
◮ Contact service. Follow instructions 7→ 7.4.1 (p. 47). ◮ Contact service. Follow instructions 7→ 7.4.3 (p. 47).
Grid down!
This message appears if there is no connection between the storage system and the public grid. It is displayed as long as there is no connection, disappearing as soon as the public grid again delivers energy. The storage system then automatically starts operating again. The Grid down message also appears if connection to the public grid is interrupted for other reasons. ◮ Make sure the back-up fuse of the storage system is turned on. ◮ Make sure the connecting cable of the storage system is properly connected.
Problems in communication with CommBoard.
◮ Contact service.
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CHAPTER 14. RECYCLING AND CERTIFICATES
14 Recycling and certificates
Proceed as follows to dispose of the storage system: ◮ Do not dispose of the storage system and its batteries in your household refuse!
This battery system complies with the European restriction of hazardous substances directive 2002/95/EC, and contains none of the following substances: lead, cadmium, mercury, hexavalent chromium, polybrominated biphenyl (PBB) and polybrominated diphenyl ether (PBDE).
◮ Contact service or the company that installed your storage system and commission them to disassemble and dispose of the storage system. Your batteries will afterwards be properly recycled and disposed of in an environment-friendly manner.
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CHAPTER 15. OVERVIEW PLANS
15 Overview plans 15.1 Connections of storage system
X1
upper terminals
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 35 36 37 38 39 40 lower terminals
18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
Modbus (upper terminals)
+24 VDC power supply (upper terminals)
Emergency power I/O (upper terminals)
Netzanschluss
Emergency power
1 2 3 4
5 6 7 8 9 10 11
12 13 14 15 16 17
35 36 37
38 39 40
1 2 3 4
Modbus channel A Modbus channel B Modbus GND Modbus shield
+24 VDC 5/6/7 8/9/10/11 GND
12 N/PE Relais NO contact 13 N/PE Relais COM contact 14 N/PE Relais NC contact 15/16/17 Reserve
35 L (phase) 38 L (phase) 36 N (neutral) 39 N (neutral) 37 PE (protective cond.) 40 PE (protective cond.)
In-/Outputs (lower terminals)
Outputs (lower terminals)
18 19 20 21 22 23 24 25
26 27 28 29 30 31 32 33 34
18 19 20 21 22 23 24 25
Battery emergency stop switch +24VDC Battery emergency stop switch signal SPS-Input - Reserve SPS-Input - BHKW eingeschaltet SPS-Output - SOC min SPS-Output - PV-cutout SPS-Output - Heat pump K30 SPS-Output - Heat pump K40
26/27 PV-reduction 1 28/29 PV-reduction 2 30 Self consumption switch +24VDC 31/32 malfunction information 33/34 SPS-Output - reserve SP_ABCDE Version 1.03-EN
Figure 15.1: Overview terminal block X1
CLICK! The socket connectors must engage audibly. ◮ Push them all the way into terminal block X1.
Figure 15.2: Inserting socket connector
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CHAPTER 15. OVERVIEW PLANS
Terminal
Conductor cross-section2
Modbus 1 2 3 4
0.25 0.25 0.25 0.25
-
2.5 2.5 2.5 2.5
Voltage supply +24Vdc 5 0.25 - 2.5 6 0.25 - 2.5 7 0.25 - 2.5 8 0.25 - 2.5 9 0.25 - 2.5 10 0.25 - 2.5 11 0.25 - 2.5
Voltage
Max. current
Function
RS 485 Modbus RS 485 Modbus -
-
Modbus Modbus Modbus Modbus
channel A channel B - GND - shield
Voltage Voltage Voltage Voltage Voltage Voltage Voltage
supply supply supply supply supply supply supply
+24 Vdc +24 Vdc +24 Vdc 0 Vdc 0 Vdc 0 Vdc 0 Vdc
0.5 0.5 0.5 0.5 0.5 0.5 0.5
A A A A A A A
+24Vdc +24Vdc +24Vdc GND GND GND GND
Emergency power I/O 12 0.25 13 0.25 14 0.25 15 0.25 16 0.25 17 0.25
-
2.5 2.5 2.5 2.5 2.5 2.5
-
Inputs/outputs 18 19 20 21 22 23 24 25
0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25
-
2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5
+24 Vdc +24 Vdc +24 Vdc +24 Vdc +24 Vdc
Outputs 26,27 28,29 30 31,32 33,34
0.5 - 2.5 0.5 - 2.5 0.25 - 2.5 0.25 - 2.5 0.25 - 2.5
max. 250 Vac max. 250 Vac +24 Vdc max. 250 Vac -
max. 6A max. 6A 0.5 A max. 6A -
Line connection 35 36 37
0.25 - 2.5 0.25 - 2.5 0.25 - 2.5
230 Vac -
16 A 16 A -
L Neutral Protective earth
Emergency power 38 39 40
0.25 - 2.5 0.25 - 2.5 0.25 - 2.5
230 Vac -
16 A 16 A -
L emergency power Neutral emergency power Protective earth emergency power
-
0.5 0.5 0.5 0.5
N/PE relay NO contact N/PE relay COM contact N/PE relay NC contact Reserve Reserve Reserve
A A A A
Battery emergency stop +24Vdc Battery emergency stop return PLC input reserve PLC input CHP in operation PLC output SOC min PLC output PV cutout PLC output heat pump control K30 PLC output heat pump control K40
PV reduction 1 PV reduction 2 Activation from certain generated surplus (10.3.9) Contact makes on installation fault PLC output reserve
.
2 Cross-section
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that can be connected to terminal (finely stranded, without wire end ferrule) in mm2
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CHAPTER 15. OVERVIEW PLANS
15.2 Electrical connection 15.2.1 Electrical connection with three-phase PV inverter or generator
2 L1 L2 L3 N PE
1 L1 L2 L3 N PE
11
1
7
6
4
7
5
3
1
kvarh
2
11
1
4
7
3
6
9
4 35 36 37 1
kvarh
2
3
6
9
10
8
T
11
kWh 3~
L1 L2 L3 N PE
9 Figure 15.3: Overview plan of electrical connection (three-phase PV inverter)
[1] [2] [3] [4] [5] [6]
PV inverter (or generator) Consumer in household Storage system Generated power meter Consumed power meter Back-up fuse power meter (315 mA slow-blow)
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[7] [8] [9] [10] Arrow
Back-up fuse power meter (315 mA slow-blow) Back-up fuse storage system Power grid RCD (specified in TT network) Energy flow direction of power meter
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CHAPTER 15. OVERVIEW PLANS
Electrical connection with single-phase PV inverter or generator
2 L1 L2 L3 N PE
1 L
N PE
11
1
7
6
4
7
5
3 1
kvarh
2
11
1
4
7 3
6
9
4 35 36 37
1
kvarh
2
3
6
9
10
8
T
11
kWh 3~
L1 L2 L3 N PE
9 Figure 15.4: Overview plan of electrical connection (single-phase PV inverter)
[1] [2] [3] [4] [5] [6]
PV inverter (or generator) Consumer in household Storage system Generated power meter Consumed power meter Back-up fuse power meter (315 mA slow-blow)
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[7] [8] [9] [10] Arrow
Back-up fuse power meter (315 mA slow-blow) Back-up fuse storage system Power grid RCD (specified in TT network) Energy flow direction of power meter
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CHAPTER 15. OVERVIEW PLANS
15.2.2 Modbus connection
11
1
4
7
11
1
4
7
4
3
2 1
1
2
kvarh
kvarh
2
1 2 3 4
6
3
6
9
3
6
9
5
2
1
6 1 2 3 4
A
B
3 A B GND
4 A B GND
GND Shield
Figure 15.5: Overview of Modbus leads
[1] [2] [3] [4] [5] [6]
Modbus lead 1 Modbus lead 2 Power meter 1 Power meter 2 Shield Terminal block X1 in main cabinet
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CHAPTER 15. OVERVIEW PLANS
15.2.3 Connection of DC leads
F1
F1
X3
X3
0
0 BC D
789A
BC D
3456
01 EF 2
3456
789A
BC D
I/F(1)
I/F(1)
I/F(1)
1
ON
1
ON
789A
1
ON
2
2
2
3
3
3
4
4
4
I/F(2)
I/F(2)
I/F(2)
B-
B-
B-
Figure 15.6: Overview of DC circuit - Sonnenbatterie eco 2
B+
B+
B+ 01 EF 2
3456
01 EF 2
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1
Figure 15.7: Overview of DC circuit - Sonnenbatterie eco 4
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CHAPTER 15. OVERVIEW PLANS
F1
F1
X3
X3
7
I/F(1)
I/F(1) BCD
3456
01 EF 2
3456
01 EF 2
789A
BCD
B+
B+
6 1
ON
789A
1
ON
2
2
3
3
4
4
I/F(2)
I/F(2)
B-
B-
4
I/F(1)
I/F(1) BC D
3456
01 EF 2
3456
01 EF 2
789A
BC D
B+
B+
5 1
ON
789A
1
ON
2
2
3
3
4
4
I/F(2)
I/F(2)
B-
B-
2 B+ I/F(1)
BCD
3456
789A
ON
1
2
2 3 4
B+
B+
3
01 EF 2
I/F(1)
I/F(1)
I/F(2)
BBCD
BCD
789A
1
789A
2
2
3
3
4
4
I/F(2)
I/F(2)
B-
B-
B+
B+ I/F(1)
I/F(1) BC D
3456
01 EF 2
3456
01 EF 2
789A
BC D
ON
1
ON
1
0
3456
01 EF 2
3456
01 EF 2
1
ON
789A
1
ON
2
2
3
3
4
4
1
0
B+
B+
I/F(2)
I/F(2)
I/F(1)
I/F(1)
B-
B-
BCD
BCD
789A
1
ON
789A
1
ON
2
2
3
3
4
4
I/F(2)
I/F(2)
B-
B-
Figure 15.8: Overview of DC circuit - Sonnenbatterie eco 6
3456
01 EF 2
3456
01 EF 2
Figure 15.9: Overview of DC circuit - Sonnenbatterie eco 16
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CHAPTER 15. OVERVIEW PLANS
15.2.4 Connection of BMS communication leads
Combox
BCD
BCD
BCD
789A
789A
2 3 4
4
I/F(2)
I/F(2)
I/F(2)
ON
1
2
3
4
1
3456
789A
789A
01 EF 2
3456
B-
B-
B-
789A
B-
0
BC D
BCD
789A
1
ON
3
4
I/F(2)
789A
01 EF 2
I/F(1)
3456
2
3
4
4
B+
B+
1
2
3
3
BC D
Figure 15.10: Overview of BMS - Sonnenbatterie eco 2
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ON
1
ON
ON
2
2
01 EF 2
3456
3456
01 EF 2
ON
1
1
I/F(1)
I/F(1)
01 EF 2
3456
1
3456
B+
B+ I/F(1)
01 EF 2
0
0
1
01 EF 2
0
BCD
Combox
ON
1
2
3
4
Figure 15.11: Overview of BMS - Sonnenbatterie eco 4
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CHAPTER 15. OVERVIEW PLANS
Combox
ON
1
2
3
4
2 B+ I/F(1)
2 3 4
3
4
01 EF 2
BC D
789A
1
ON
2
BC D
3456
1
3456
789A
2
01 EF 2
ON
1
3
4
2
3
4
I/F(2)
2
B-
1
0
B+
B+
01 EF 2
BC D
BC D
789A
4
01 EF 2
789A
3
4
BC D
2
3
4
3456
789A
1
ON
2
3
3456
1
2
1
01 EF 2
ON
1
I/F(1)
I/F(1)
01 EF 2
ON
3456
789A
BCD
0
3456
ON
1
I/F(2)
I/F(2)
B-
B-
Figure 15.12: Overview of BMS - Sonnenbatterie eco 6
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CHAPTER 15. OVERVIEW PLANS
Combox
3
4
2
3
4
01 EF 2 01 EF 2
BC D
ON
1
I/F(2)
BB+ I/F(1)
BC D
789A
1
ON
789A
2 3
4
4
789A
3456
3
4
3456
01 EF 2
BC D
BCD BCD
I/F(1)
BC D
01 EF 2
BCD BC D
BC D BC D
789A
4
01 EF 2
789A
3
789A
2
BB+
2
01 EF 2
2
B-
1
ON
I/F(2)
1
3
ON
2
1
01 EF 2
3456
1
4
I/F(1)
3456
4
789A
BCD
0
3
1
01 EF 2
ON
1
B+
I/F(1)
3
4
0 3456
2
ON
I/F(2)
BB+
2
3
3456
BC D
789A
4
01 EF 2
789A
3
I/F(2)
1
ON
2
2
01 EF 2
3456
1
3456
789A
2
4
789A
3
4
2
01 EF 2
ON
3
B-
1
ON
3
4
3 3456
2
I/F(1)
5
01 EF 2
2
3
3456
1
2
1
B+
I/F(1)
01 EF 2
ON
1
ON
I/F(2)
BB+
ON
3456
789A
4
3456
BC D
BCD
4
I/F(2)
5
BC D
789A
3
01 EF 2
789A
2
4
4
BC D
1
3
4
3456
789A
6
ON
2
3
3456
1
2
01 EF 2
ON
1
I/F(1)
I/F(1)
01 EF 2
ON
3456
789A
7
3456
B+
6
B+
7
ON
1
I/F(2)
I/F(2)
B-
B-
Figure 15.13: Overview of BMS - Sonnenbatterie eco 16
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CHAPTER 16. APPENDIX
16 Appendix 16.1 Startup report Qualified electrician! ◮ The startup report must be signed by both the installing technician and the operator of the installation. ◮ The completed startup report must be sent within 5 working days after startup to the following e-mail address:
[email protected] Installation of the storage system may only be conducted by a qualified electrician certified by the manufacturer. Contravention of this stipulation may lead to forfeiture of the operating license and all guarantee or warranty claims.
Operator Serial number # Name Company Street Postal code or ZIP / city Phone e-mail
Location of storage system (if other than address stated above) Street Postal code or ZIP
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CHAPTER 16. APPENDIX
Installation company Company Street Postal code or ZIP / city Phone e-mail Distribution network operator Registered number
Data of startup Date of startup Serial number # Installation by following technician: Name Company Certification number ◮ The installing technician may place their sticker on the Name, Company and Certification Number fields.
Size of storage system eco 2
eco 4
eco 6
eco 8
eco 10
eco 12
eco 14
eco 16
Network configuration TN-S
TN-C
TN-C-S
TT
TN-C grounding w/o special conductor
Storage pass Storage pass given Storage pass number:
Connection of storage system The following phase of the power grid is connected to terminal 35 of terminal block X1:
L1
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L2
L3
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CHAPTER 16. APPENDIX
Serial number #
PV system or generator Type of feed-in single-phase
three-phase
Feed-in by phase: L1
L2
(only cross for single-phase)
L3
PV reduction Power reduction of the PV system is by the storage system. The outputs provided on the storage system are used for this purpose. Power reduction of the PV system is implemented by another solution. The outputs provided on the storage system are not used. The following reduction stages are set (in %): Stage 0 Stage 1 Stage 2 Stage 3
Add-on cabinet ◮ Enter the serial number of any add-on cabinet:
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CHAPTER 16. APPENDIX
Serial number # Inbetriebnahme-Checkliste
I have conducted and completed installation according to the operation and installation instructions.
The storage system is situated in a suitable location.
Details of any outstanding items / particularities / alterations
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CHAPTER 16. APPENDIX
Declaration by installing technician I hereby declare that I have conducted installation and startup of the storage system in proper, regular form observing the accompanying operation and installation instructions. I have examined the necessity for feed-in power limitation and implemented it if necessary. Serial number # Name of installing technician
Place, date:
Signature of installing technician:
Provisional startup Serial number # It was not possible to put the storage system into operation for the following reasons:
Final startup will now probably be conducted on:
Name of installing technician
Place, date:
Signature of installing technician:
Place, date:
Signature of operator:
◮ Submit the full startup report even in the case of provisional (incomplete) startup. ◮ After final startup the corrected report must be submitted anew.
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