Transcript
Relay Control
Relay Control -- Introduction
Two-position control, using a digital (relay) output, is used to turn something on and off. We use a differential and an offset to tell an output when to open and close based on the control variable and setpoint.
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P1
Relay Control -- Definitions
• Differential – amount of change in the control variable from when the output turns on to when it turns off • Offset – a value that creates a deadband for a stage – the first stage typically has an offset of 0
Offsets and Differentials, 2 Setpoints "COOLING" or "HIGH ALARM"
Differential
Output turns ON Output turns OFF
Offset
Cool Setpoint
Offset
Heat Setpoint
Differential
Output turns OFF Output turns ON
"HEATING" or "LOW ALARM"
Offsets, Differentials and Deadband, 1 Setpoint "COOLING" or "HIGH ALARM"
Output turns ON Differential
Output turns OFF
Offset Deadband
Setpoint
Deadband
Used on the SZ1025b and SZ1143b
Offset Differential
Output turns OFF Output turns ON
"HEATING" or "LOW ALARM"
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P2
Proportional Control
Proportional Control -- Introduction
Analog outputs are called modulating outputs. These outputs vary based on how far the input is away from setpoint. Modulating outputs provide tighter control than two position outputs.
Proportional Control -- Definitions
• Proportional Control – generates an output that is related to the distance between the active setpoint and the input • Proportional Band/Throttling Range – number of degrees (or percent of span) that the input must change to drive the output from 0 to 100% (either 0 to 20 mA or 4 to 20 mA)
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P3
Proportional Control -- Definitions
• Setpoint Offset – a value that creates a deadband before modulation starts • Aquastat – allows the action to reverse when a digital input is made (SZ1017a, SZ1018, SZ1143b, SZ1051) or an analog input exceeds a certain value (SZ1025a, SZ1018, SZ1062, SZ1064)
Proportional Control -- Definitions
• Direct Acting – the output increases as the input increases • Reverse Acting – the output decreases as the input increases
Direct Acting - Output 12mA @ Setpoint
Input
Setp oin t + 1/ 2 P
}
Setp oin t
Setpoint - 1/ 2 P
4m A
1 2m A
P
20 m A
Output
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P4
Reverse Acting - Output 12mA @ Setpoint
Input
Setpo int + 1 / 2 P
}
Setp oin t
Setpo in t - 1/ 2 P
1 2m A
4m A
P
20m A
Output
Direct Acting - Output 4 or 20mA @ Setpoint
Cooling
Heating
Input
Input
Setpoint + P
Setpoint
}
Setpoint + 1/ 2P
Setpoint
4m A
12m A
P
}
Setpoint - 1/ 2P
Setpoint - P
20m A
4m A
12m A
P
20m A
Output
Output
Reverse Acting - Output 4 or 20mA @ Setpoint
Cooling
Heating
Input
Input
Se tp o in t + P
Setp o in t
}
Setp o in t + 1 / 2 P
Setp o in t
4m A
12m A
P
20m A
Output
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}
Setp o in t - 1/ 2 P
Se tp o in t - P
4m A
12m A
P
20m A
Output
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P5
Keypad Programming
Thermostat Keypad Layout
Occupied Heating Cooling
fan switch
service status
Fan Service Program/ Data
WARMER system switch
COOLER program setup
clock setup
SZ1060 Series Keypad Layout
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P6
Comparison of Thermostat Keypads
Occupied Heating Cooling
fan switch
service status
Fan Service Program/ Data
WARMER system switch
COOLER program setup
clock setup
Typical Superstat™ Keypad
SZ1060 Series Keypad
SL1001a & SZ1140 Series Keypad Layout
SCROLL NEXT UP DOWN
Conventional Thermostats
• Menu-by-Menu Example – Follow Along Using Demo Panel – Slides Printed in Handout – Catalog Page 183
• All Thermostats Basically the Same • Complete Sequences in Product Manuals • All Sequences in Product Catalog • www.tcsbasys.com
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P7
SZ-QD Trainer Demo Panel (SZ1031)
MON
01- 01- 97 72F
12:00 AM program setup
ENTER ACCESS CODE
000 program setup
248 always works!!! Use down arrow to get to 248 more quickly.
SZ-QD Trainer Demo Panel (SZ1031) -SET ADDRESS: 000
continued
Use your badge number as the address for your stat.
program setup
SET BAUD RATE: 9.6K program setup
TEMPS SHOWN IN: FAHRENHEIT program setup
SZ-QD Trainer Demo Panel (SZ1031) --
continued
USER ACCESS TO SYSTEM MODE?YES program setup
SET SYSTEM MODE:
AUTO program setup
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SZ-QD Trainer Demo Panel (SZ1031) --
continued
USER ACCESS TO FAN MODE? YES program setup
SET OCCUPIED FAN MODE:
ON program setup
SET UNOCCUPIED FAN MODE: AUTO program setup
SZ-QD Trainer Demo Panel (SZ1031) --
continued
This Screen is Repeated for Occupied Periods B, C, and D
This Screen is Repeated for Occupied Periods B, C, and D
SZ-QD Trainer Demo Panel (SZ1031) --
continued
UNOCCUPIED COOL SETPOINT:
80F
pro gram setup
LIMIT SETPOINT ADJUST +/-:
5F
pro gram setup
SET OVERRIDE TIME: 180 MINUTES program setup
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P9
Model Specific Features – SZ1035
ENABLE 3 HEAT & 3 COOL?
YES
program setup
ENABLE STAGE 3 & 4 AS?
HEAT program setup
Additional Model Specific Features --
continued
ENABLE SECOND STAGE HEAT? YES program setup
ENABLE SECOND STAGE COOL? YES program setup
ENABLE THIRD ST STA AG GE EA AS S::
C CO OO OL L
program setup
SZ-QD Trainer Demo Panel (SZ1031) --
continued
HEAT STAGE 1 OFFSET:
0F
program setup
HEAT STAGE 1 DIFF:
2F 1F
program setup
HEAT STAGE 2 OFFSET:
2F 1F
program setup
HEAT STAGE 2 DIFF:
2F 1F
program setup
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P10
SZ-QD Trainer Demo Panel (SZ1031) --
continued
COOL STAGE 1 O 0F OF FFSE FSET T:: 0F program setup
COOL STAGE 1 DIFF:
2F 1F program setup
COOL STAGE 2 OFFSET: 1F 2F program setup
SZ-QD Trainer Demo Panel (SZ1031) --
continued
COOL STAGE 2 DIFF:
2F 1F program setup
COOL STAGE 3 OFFSET:
2F
program setup
COOL STAGE 3 DIFF:
1F program setup
SZ-QD Trainer Demo Panel (SZ1031) --
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continued
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P11
SZ-QD Trainer Demo Panel (SZ1031) --
continued
SZ-QD Trainer Demo Panel (SZ1031) --
continued
COOLING LOCKOUT TEMP:
60F program setup
HEATING LOCKOUT TEMP:
70F program setup
DI1 USED FOR: FAN PROVING program setup
SZ-QD Trainer Demo Panel (SZ1031) --
continued
DI2 USED FOR: SERVICE pro gram s e tup
SET DI2 SETPOINT
SHIFT:
02F s e tu p
program
DI3 USED FOR: FILTER SERVICE s
e
t u
p
program
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P12
SZ-QD Trainer Demo Panel (SZ1031) --
continued
DELAY ON POWERUP
60 SECONDS program s e tu p
ENABLE SMART RECOVERY? YES s e tu p
program
REQUIRE CODE FOR PROGRAMMING?YES program setup
SZ-QD Trainer Demo Panel (SZ1031) --
continued
REQUIRE CODE FOR CLOCK/ SCHED? YES program setup
SET ACCESS CODE: 000
NOTE: This is a secondary access code.
program setup
MON
01- 01- 97
12:00 AM
72F
Setting the Clock & Schedule (SZ1031)
248 always works!!! Use down arrow to get to 248 more quickly.
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P13
Setting the Clock & Schedule (SZ1031) -- continued
This Screen is Repeated for Occupied Periods C and D
Setting the Clock & Schedule (SZ1031) -- continued
These Screens are Repeated for Wed., Thurs., Fri., Sat., Sun., Plus Holiday #1 & #2. This Screen is Repeated for Occupied Periods C and D
Setting the Clock & Schedule (SZ1031)-- continued
Total Possible Holidays 2 x 12 x 99 = 2,376 scheds.
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instances
days
days
.
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P14
Setting the Clock & Schedule (SZ1031)-- continued
Where to Get Help or Answers
• • • •
Instructions Sent with Product TCS Basys Controls Catalog Training & Reference Manual www.tcsbasys.com
• Call TCS Directly – 800-288-9383
Software Programming
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P15
PC Based Software -- Revelation Professional
• Menu Driven Programming • Use for Network Setup & Testing, Commissioning, & Load Balancing • “Read” Before Making Changes • “Write” Before Going to NEXT Menu • “Write” vs. “Write Half / Write Page” • “Load All” & “Save All” Options *** NOT SUPPORTED AS OF JAN 2009 ***
Superstat™ – conventional heat/cool…
Rev Pro Manual pg C-9
Superstat™ – conventional heat/cool…
Rev Pro Manual pg C-9
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P16
Superstat™ – conventional heat/cool…
Rev Pro Manual pg C-9
PC Based Software -- Insight
Similar to Revelation Professional… • Tab Driven Interface • Uses Same Datasheets as Ubiquity • Use for Network Setup & Testing, Commissioning, & Load Balancing • Shows Current Values (no “read” required) • “Write Page” Before Going to New Tab *** NEW SOLUTION AS OF JAN 2009 ***
Superstat™ – heat pump…
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P17
Superstat™ – heat pump…
Superstat™ – heat pump…
Superstat™ – heat pump…
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P18
Superstat™ – heat pump…
Superstat™ – heat pump…
Internet Style Software – Ubiquity
Similar to Revelation Professional… • Single Page for All Programming Info • Shows Current Values (no “read” required) • Writes All Values on “Submit” • “Read Controller” Option (if needed)
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P19
Single Page Programming Screen
General Info, Alarms, & Assigned Assets
Schedule
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P20
Controller Summary & Ubiquity Functions
System and Setpoints & Digital Inputs
Digital Outputs
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P21
Additional Functions, Comments & Buttons
Superstat™ – heat pump…SZ1033
Superstat™ with 1 analog output…SZ1017a
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P22
Superstat™ with 1 analog output…SZ1041
Superstat™ with 2 analog outputs…SZ1051
Superstat™ with 2 analog outputs…SZ1053
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P23
General Purpose Controller…SZ1143b
General Purpose Controller…SZ1143b - cont’d
General Purpose Monitor…SZ1145
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P24
General Purpose Monitor…SZ1145 - cont’d
General Purpose Monitor…SZ1145 - cont’d
VAV Box Controller…SZ1025b
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P25
VAV Box Controller…SZ1025b
- cont’d
VAV Box Controller…SZ1025b
- cont’d
2 Channel, 365-Day Time Clock…SL1001a
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P26
2 Ch., 365-Day Time Clock…SL1001a - cont’d
Where to Get Help or Answers
• • • •
Instructions Sent with Product TCS Basys Controls Catalog Training & Reference Manual www.tcsbasys.com
• Call TCS Directly – 800-288-9383
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PH: 800.288.9383
P27
