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System Operation Manual IZIP E3 Metro This manual is meant to be read together with the IZIP owner’s manual, also included with your bicycle. The IZIP owner’s manual contains important safety and use information about your bicycle. Be sure to read both manuals before riding for the first time, or performing any assembly. If you did not receive an IZIP owner’s manual, the most recent version can always be found online at www.CurrieTech.com.
Electrical System Components
Battery collar quick release
Seatpost quick release
Battery
Battery charging port Seat tube
Power plug
Wall plug Charging plug Charging cord
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Power socket
Power cord
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System Operation Manual - IZIP E3 Metro
General information USE RESTRICTIONS Intended Use1
Condition 2 (General purpose riding)
Minimum rider age
16 years
Maximum permissible weight2
130 Kg (286 lbs)
1. This bicycle is intended to be used under the guidelines of the stated condition, found in the intended use section of your IZIP owner’s manual. Be sure to read this section of the owner’s manual for more information. 2. Maximum permissible weight includes the weight of the rider (plus clothing, riding gear, etc), the weight of the bike itself (including any added accessories), and any cargo being carried.
TECHNICAL SPECIFICATIONS Motor Type
Rear hub drive
Rated power
500W
Peak torque
40 Nm Battery
Voltage
36V nominal
Capacity
10.4Ah
Energy
374Wh
Cycle life (expected)
~700 Charger
Input voltage Frequency Input current
110-240V AC (auto-sensing) 50/60Hz 2.5A maximum
Charging voltage
42V DC (36V nominal)
Charging current
4.0A
Full charge duration
4–6 hours Ride performance
Top assisted speed Range (expected)1 Control type
32 km/h (20 mph) 25-30 miles Throttle/pedal assist. Cadence sensor, speed sensor.
1. With normal pedaling; Contingent on terrain, rider weight, riding style, and other factors.
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Basics IMPORTANT: The IZIP owner’s manual included with your bike contains most of the important safety and usage information about this bike, which is not included in this system operation manual. Be sure to read the owner’s manual before you begin riding or working on your bike.
Battery charging You should charge the battery fully before riding for the first time, following the instructions below. Be sure to check Appendix D in your owner’s manual, as well as the section discussing “Battery care & safety” for additional information.
Charging procedure Connect the power cord to the battery charger. Plug the charging plug into the battery’s charging port, then plug the wall plug into a wall outlet. The charger should always be plugged first into the battery, then into the wall outlet. Charging will begin immediately. The charger’s LED indicator will light up to show its status. LED Amber Green (flashing) Green Red (flashing)
STATUS
Before riding, you should check the battery’s charge level. If the battery is not fully charged, riding range will be reduced. To check the battery’s charge level, first install the battery in the bike, then turn the bike on. The battery level indicator on the display will show the battery’s charge level. Each bar represents about 20% capacity: BARS (1 flashing) 1 2 3 4 5
BATTERY CHARGE <5% ≤20% ~20– 40% ~40 – 60% ~60 – 80% ~80 – 100%
Charging
Using the battery
Battery is 80% full and being topped off.
Installing the battery
Charging complete
First, open the battery collar quick release. Orient the battery so the seat post is towards the front of the bike, then push the battery into the bike’s seat tube until it bottoms out. Close the quick release securely to lock the battery in place.
Charging error; see Appendix D in your owner’s manual for more information.
The battery can either be charged on the bicycle using the charging port on the seat tube, or off the bicycle using the offboard charging adapter included with the charger. If the battery is attached to the bicycle, and the bicycle is turned on, the battery level indicator on the bike’s display will show the current charge level. The battery does not have a “memory”. This means that it can be charged at any time, or partially charged, without causing damage or decreasing performance.
Charge time The amount of time needed to charge the battery varies based on the battery’s charge level. A completely empty battery will take between 4 and 6 hours to charge. A battery at 50% may only need 2–3 hours to come to a full charge.
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Checking the battery’s charge level
To adjust saddle height, use the seatpost quick release. Don’t raise the battery to change saddle height; the battery needs to be bottomed out in the frame at all times to maintain electrical contact.
Removing the battery To remove the battery, first open the battery collar quick release lever, then pull the battery straight up and out of the bike.
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System Operation Manual - IZIP E3 Metro
Riding and use Be sure to read the “Electric Bikes” section of your IZIP owner’s manual, and specifically pay attention to the section on “Riding an electric bike”, before you ride for the first time.
Getting ready to ride First turn the bike on, following the instructions on the following page. Mount the bicycle. Be sure you don’t accidentally twist the throttle, or turn the pedals; this could cause the bike to accelerate unexpectedly.
Riding the bike Using the motor The purpose of the E3 Metro’s motor is to gently augment the effort you put into riding. There are two assist modes, which offer different ways to control the motor: Power-On-Demand (POD) and Pedal Assist (PAS). See the following page for more information on changing between modes. PAS (Pedal Assist) mode In PAS mode, the motor will assist you as soon as you begin pedaling the bike. You can choose how much assist the motor gives by setting the assist level. If you do not pedal, no power is sent to the motor. Ceasing pedaling during the ride will cause the motor to turn off. Motor power will be restarted when the rider begins pedaling again. Assist levels control how much power the motor will add to your pedaling. In PAS mode, the assist level is shown on the display, and can be changed at any time using the + or – buttons. Levels 1–4 are increasing levels of automatic motor assist. Level 1 gives the least assistance; level 4 gives the most. The throttle can be used to override the automatic assist, as long as the rider is pedaling. The throttle is never affected by assist level; using the throttle, you always have control of up to 100% of the motor’s power. POD (Power On Demand) mode In POD mode, automatic motor assist is disabled, and the throttle alone is used to control the level of assistance; power is available whether you pedal or not, and there are no assist levels.
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Display operation Your IZIP E3Metro electric bicycle is equipped with a multi-function display. The display is your user interface to the bike. Using the display, you can program the riding characteristics of the bike, monitor the system self-tests as they occur, and note any system errors. The display also serves as a cycle computer, giving information regarding time, speed and distance.
Connecting the display
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3
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Place the display on the handlebar display mount at a 45° angle, aligning the tabs on the bottom of the display with the slots on the face of the mount.
While pushing down on the display, rotate it 45° clockwise until it stops, parallel with the handlebars.
Sit on the bike, then turn it on by pressing the SET button.
Setting the clock and speed units
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Hold SET and “–” together for 5 seconds to enter setup mode.
In setup mode, you will enter codes corresponding to the setting you wish to change.
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In the setting screen, tap SET to cycle between characters. Tap “+” or “–” to change the flashing character.
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Tap SET to cycle between digits. Hold to confirm after the code is entered. Tap “+” or “–” to set each digit in the code.
Codes:
Set clock: 0001 Set speed units: 0003
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Hold SET to confirm your changes. Hold SET and “–” together to exit the code screen and save the changes.
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Using the display functions Available in PAS mode only; sets the strength of motor assist. Tap SET to cycle between functions.
Displays the distance traveled on this trip. Displays the ride time for this trip.
In PAS mode, “+” and “–” go directly to the power level screen.
Displays the average speed for this trip. Displays the maximum speed recorded on this trip. Odometer; displays the bicycle’s total mileage. Displays the total ride time for the bicycle.
To reset all trip data, hold “+” and “–” together for 3 seconds.
Power levels Displayed
Level
Motor output
1
40%
2
60%
3
80%
4
100%
Turning on the headlight and LCD backlight Hold “–” for 3 seconds to turn on the LCD backlight and the bicycle headlight/taillight (if present).
Changing the assist mode Hold “+” for 3 seconds to change from PAS to POD. In PAS mode, the motor will activate when the system senses the rider pedaling. Use the “PWR LVL” display function to choose between light assist, medium assist, and strong assist.
The backlight will not function unless the display is mounted on the bike (with a battery installed).
The throttle acts like a “boost”, allowing full control over 0-100% of motor power at any time, regardless of power level. In POD mode, only the throttle controls motor speed. There is no power level setting in this mode, as the throttle can always apply 0-100% of motor power. The pedal sensor is disabled, so there is no need to pedal.
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Understanding the battery gauge The cell diagram indicates the charge level of the main battery.
“F” Illuminates when the battery is nearly full. “E” Illuminates when battery is nearly empty.
The down arrow Illuminates while braking.
The up arrow Illuminates while the motor is being powered.
The gauge should show the battery level within a few moments of turning on. Each “bar” represents 20% of the battery’s full charge. If the gauge still shows completely empty after a few seconds, check all connections to the controller and display, and re-connect.
Interpreting error messages The IZIP display shows coded error messages to help diagnose problems with the bike. These messages appear automatically if the system senses an issue.
The most common error message you may see is Error 13: “Comm Error”. If this error comes up, it means that the display is connected to the bike but cannot communicate with the main controller (located in the bike’s downtube). Make sure the bike’s battery is installed and fully charged. Check all connections between the display and the controller, the battery and the controller, and the display and its mounting bracket. Re-mount the display, making sure it engages the mount fully. If problems persist, or for information on other error codes, please contact Currie Tech customer service.
You may also need to begin riding the bike before the battery “wakes up” fully and begins sending the charge signal to the display.
Changing the display battery The display can use power either from its internal battery, or from the bike’s main battery. The internal battery is used when the display is disconnected from the bike, so you can browse your ride data (like distance, time, and average speed). The display is powered by the bike’s battery when connected to the bike. Even if the internal battery in the display is dead or not installed, the display will still operate using main battery power. However, if you disconnect the display from the bike, it will immediately shut off. The display uses one CR2032 3V watch battery. It should be available at any store that sells electronics. To replace, unscrew the display’s back cover using a coin. Remove the old battery, then replace with a new one, oriented as shown (you should be able to see the + symbol on the top of the cell). Replace the back cover, tightening about 3/4 turn until snug. After replacing the battery, you will need to re-set the clock. Trip time, trip distance, average speed, and max speed will also be reset. The odometer and total time values are stored in memory and will not be reset. 12/23/13
Comm Error
