Tern Vektron MaxDrive System User manual

Vektron MaxDrive System
Original Instructions
Systema MaxDrive de Vektron
Traducción de las instrucciones originales
Le Système MaxDrive
Traduction des Instructions Orginales
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󻺓󻟴󻺋󾖴󼐿󻩧󾖴󻧷󼍜󻩧
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Table of Contents
1. Overview...................................................... 3
2. Drive Unit..................................................... 4
3. Display ......................................................... 5
4. Battery.......................................................... 19
5. Charger ........................................................ 23
6. Riding........................................................... 27
7. Troubleshooting.......................................... 28
8. Maintenance................................................ 30
Edition 1 Rev 0, Oct 2017

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1. Overview
The Max Drive system is a powerful, compact mid motor with advanced controls that provides smooth, quiet, and
responsive power assist. It includes a 250W drive, an integrated display and control unit, battery pack, and a charger.
Components
1. Speed Sensor
2. Battery
3. Drive Unit
4. Display 21 3 4

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2. Drive Unit
Features
• Smooth, responsive power output based on torque, cadence and speed.
• Fail-safe sensor design to ensure safety.
• High starting torque of more than 80 N.m for starting up hills.
• Efficient, low power-consumption, and long range.
• Low noise, smooth power assist.
Scope of Application
The drive unit is designed for use with your pedelec only.
Operational conditions:
Ambient Temperature (°C) -20°C ~ 55°C
Relative humidity (RH) 15 – 95 %
Specifications
Rated voltage 36 VDC
Rated power 250 W
Rated effciency ≥ 80%
Maximum torque ≥ 80 Nm
Weight 3.9 kg
Dust/Water-proof rating IP 66
Noise <5.5 dB
Lighting
Head light 6VDC
Tail light 6VDC

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3. Display
Features
• Displays speed, distance, power and range
• Retains settings
• Automatic Backlight
Scope of Application
The display is designed for use with your Max Drive system only.
Operational conditions:
Operation temperature: -20°C~45°C
Storage temperature: -30°C~70°C
Dust/Water-proof rating IP 65
Storage humidity 30-70% RH

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Indicators
ODO
22 . 6
399O km
km/h
1
2
3
4
5
1. Battery level
2. Power-assistance level/ Walk Assist
3. Headlight
4. Speed
5. Multi-function indication
Long-press: Press and hold for more than two seconds.
Short-press: Press for less than 0.5 seconds and then release.
Controls
There are three buttons:
Power/Mode Button
Plus Button
Minus Button
ODO
22 . 6
399O km
km/h

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Power On
The Max Drive system uses a two-stage power-on sequence.
1. Short-press the Button on the battery to turn it on,
2. Long-press the Button on the display. The display will light up.
Power Off
Long-press the Button again to turn off the display.
TRIP
0 . 0
143 km
km/h
1

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Power-Assistance Level
After the display is on, the default assistance level is 1.
Short-press the Plus Button or Minus Button to change the power-assistance level.
Level 0: No power assistance
Level 1: Lowest assistance level
Level 5:Highest assistance level
The higher the assistance level, the faster the battery depletes. The best way to conserve battery power and extend the assisted
range is to pedal more and use a lower assistance level.
TRIP
0
22 . 6
3O km
km/h
TRIP
1
22 . 6
3O km
km/h
TRIP
5
22 . 6
3O km
km/h

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Headlight
If your light has a mechanical switch, turn it to ON position.
Long-press the Plus Button to turn on the headlight.
When activated, the light icon will appear on the display.
The display backlight will illuminate whenever the Headlight is turned on.
Long-press the Plus Button again to turn off the headlight and display backlight.
TRIP
1
22 . 6
3O km
km/h

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Walk Assist
Walk assist lets the motor drive your pedelec up to 6 km/h without pedaling. It is designed to help you walk your pedelec up
inclines and ramps.
Do not use walk assist when riding.
Get familiar with the initial acceleration. Practice using walk assist in an open area before using it on the road.
Long-press the Minus Button to activate walk assist; it will remain active until you release the button. When activated, the walk
assist icon will appear on the display.
To end walk assist, release the Minus Button.
TRIP
4 . 5
3O km
km/h

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Multipurpose Indicator
Short-press the Button to cycle through the following information:
TRIP.........................Single trip distance
ODO ......................Total distance
MAX .......................Maximum riding speed
The default indicator is “TRIP”.
TRIP
1
22 . 6
3O km
km/h
ODO
1
22 . 6
2999O km
km/h
AVG
1
22 . 6
12.6 km/h
km/h
MAX
1
22 . 6
25 km/h
km/h
TIME
1
22 . 6
2O min
km/h
RANGE
1
22 . 6
32 km
km/h
AVG ........................Average riding speed
RANGE ..................Remaining distance
TIME .......................Riding time

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Battery Charge
This indicator displays the remaining battery power from one to five bars.
If the battery icon flashes, it means the battery is very low and needs to be charged immediately to continue power assist.
Battery icon bars State of charge Icon diagram
5 75% - 100%
4 50% - 75%
3 30% - 50%
2 10% - 30%
1 5% - 10%
LOW < 5% FLASH

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Settings
Long Press the Plus and Minus Buttons simultaneously to enter Settings.
Select Display Setting and Short-press the Button
Navigation
Short-press the Plus or Minus Buttons to scroll up or down.
Short-press the Button to confirm selection.
Display Setting
Information
Exit

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Settings > Display Settings > Trip Reset
Resets the single trip distance, riding time, average speed and maximum speed.
Select Trip Reset
Make Selection
Short-press the Button to save the setting.
Short-press the Button to return to the Main page.
-Trip Reset
-Unit
-Brightness
-Auto Off
Trip Reset
NO
Trip Reset
YES
-Unit
-Brightness
-Auto Off
-Back
Display Setting
Information
Exit
Short-press the Button
to return to Settings page.
Select EXIT.
Press the Minus Button to
scroll down and select BACK

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Settings > Display Settings > Unit
Change to Metric or Imperial. The default setting is Metric.
Short-press the Plus or Minus Buttons to select Metric or Imperial.
After selection, short-press the Button.
Short-press the Button to return to the Main page.
Unit
Metric
Unit
Imperial
-Unit
-Brightness
-Auto Off
-Back
Display Setting
Information
Exit
Short-press the Button
to return to Settings page.
Select EXIT.
Press the Minus Button to
scroll down and select BACK

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Settings > Display Settings > Brightness
Change the backlight brightness level for night time viewing.
Short-press the Plus or Minus Buttons to select 10% (dimmest) to 100% (brightest).
After selection, short-press the Button to save the setting.
Short-press the Button to return to the Main page.
Brightness
10%
Brightness
100%
-Unit
-Brightness
-Auto Off
-Back
Display Setting
Information
Exit
Short-press the Button
to return to Settings page.
Select EXIT.
Press the Minus Button to
scroll down and select BACK

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Settings > Display Settings > Auto Off Delay
Display will power off after the set time of inactivity (no signal from sensor or user input to display).
OFF = disable auto off
1-9 = delay time in minutes
Short-press the Plus or Minus Buttons to select the display power off delay time.
After selection, short-press the Button to save the setting.
Short-press the Button to return to the Main page.
Auto Off
OFF
Auto Off
9
-Unit
-Brightness
-Auto Off
-Back
Display Setting
Information
Exit
Short-press the Button
to return to Settings page.
Select EXIT.
Press the Minus Button to
scroll down and select BACK

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Settings > Information
In Settings there is also the Information menu.
Note: the Information menu is provided to assist your dealer in performing
service work and contains no consumer relevant items.
Display Setting
Information
Exit

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4. Battery
Components
1. Battery Pack
2. Charge Indicator
3. Power On Button
4. Charging Port Cover
5. Charging Port
6. Battery Lock
Specifications
Cell Type Li-ion
Rated Capacity 11 Ah
Rated Energy 400Wh
Rated Voltage 36VDC
Operating Temperature 0-60°C
Charge Temperature 0-45°C
Storage Temperature 15-35°C
Storage Humidity 45-75% RH
Dust/Water-proof rating IPX5
Weight 2.5 kg
1
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4/5
6
2

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Operation
The battery is shipped partially charged. Charge the battery completely with the supplied charger before your first ride.
To maintain battery life, recharge the battery as soon as possible after each ride. Frequent recharging does not damage the
battery in any way.
Do not leave the battery completely empty. This will severely shorten battery life.
Insertion and Removal
Removal
To remove, turn the key to the vertical position and pull battery up.
Insertion
Removal