Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your ChongXiao Electric Bike Controller and accompanying LCD Display. This system is designed for electric bikes and scooters, supporting a wide range of voltages and motor wattages.
The controller offers versatile voltage compatibility (36V-72V) and supports motors from 1000W to 1500W. The LCD display provides essential riding information and allows for various parameter adjustments.
What's in the Box
- Controller Unit
- LCD Display
- Mounting Bracket
- Wiring Harness
- XT60 Battery Connector
Specifications
| Feature | Detail |
|---|---|
| Controller Voltage | 36V / 48V / 52V / 60V / 72V (Universal) |
| Current Limit | 34A - 40A |
| Number of Transistors | 15 |
| Rated Power | 1000W - 1200W - 1500W (All compatible) |
| LCD Communication Protocol | UART |
| Material | Aluminum, Copper, Plastic |
| Item Weight | 2 Pounds (0.91 Kilograms) |
| Dimensions (Controller) | Approx. 212mm x 88mm x 48mm |
Product Overview
Controller Unit
The controller unit manages power delivery to your electric bike motor. It features multiple connection points for various functions, ensuring comprehensive control over your e-bike system.
Image: The red aluminum casing of the ChongXiao Electric Bike Controller unit.
Controller Dimensions
The physical dimensions of the controller unit are provided below for installation planning.
Image: Diagram showing the dimensions of the controller unit: approximately 212mm length, 88mm width, and 48mm height.
Wiring Harness Connections
The controller comes with a wiring harness featuring 15 distinct connection points for various components of your electric bike. Refer to the diagram below for identification.
Image: Detailed view of the controller's wiring harness with numbered labels for each connection point.
- High-level brake
- Brake light power
- Throttle handle
- Reverse gear
- Low brake
- Hall sensor (5 wires)
- Linear brake (Thumb brake)
- PAS (Pedal Assist System)
- Headlight/Taillight power
- Regenerative brake
- Intelligent recognition
- LCD display connection
- Ignition
- XT60 battery connector
- Phase line
LCD Display Unit
The LCD display provides real-time information about your ride, including speed, mileage, and power assist gear levels. It also allows access to various system settings.
Image: The ChongXiao LCD display unit with its attached wiring harness.
Image: A close-up view of the LCD display screen showing various metrics like speed, PAS level, and odometer.
Setup and Installation
Follow these steps to correctly connect the controller to your electric bike system. Ensure the power is OFF before making any connections.
- Connect Phase Lines: Connect the motor's phase lines to the controller, matching colors.
- Connect Hall Sensor Line: Connect the motor's Hall sensor line to the controller, matching colors.
- Connect Battery Line: Connect the battery line to the controller. The red wire is for battery positive (+), and the black wire is for battery negative (-).
- Connect LCD Line and Ignition: Connect the controller's LCD line. If your throttle does not have an ignition switch, the two ignition wires on the controller need to be shorted together.
- Intelligent Recognition (Self-Learning):
- Turn off the power.
- Connect the two intelligent recognition lines together.
- Turn on the power. The wheel will either move forward or reverse.
- If the wheel moves forward, separate the intelligent recognition lines.
- If the wheel moves in reverse, separate the intelligent recognition lines, then connect them together again. The wheel should now move forward. Once it moves forward, separate the intelligent recognition lines.
- This function allows the controller to intelligently identify the battery voltage and adjust the motor's rotation direction.
Note: When using the throttle, the intelligent recognition lines must be separated.
- Other Connections: Connect other functions as needed (e.g., brakes, headlights, PAS).
Operating Instructions
LCD Display Interface
The LCD display connects to the controller via a 5-wire interface:
- Red: Meter power cord
- Blue: Power control wire of the controller
- Black: Instrument ground wire
- Green: Data receiving line of the meter
- Yellow: Data transmission line of the meter
Button Operations
The LCD display features a power button (M) and up/down buttons for navigation and settings.
- Power On/Off: Long press the M button to turn the display on or off.
- Switch Display Modes: After the screen is on, short press the M button to cycle through different display modes (e.g., odometer, trip distance).
- Modify Assist/Speed Gear:
- Short press the Up button to increase assist/speed gear.
- Short press the Down button to decrease assist/speed gear.
- Switch Speed Display Mode: Long press the M and Up buttons simultaneously to switch the display mode of speed (e.g., current speed, average speed).
- Headlight Control: Long press the Up button to turn the headlights on or off.
Parameter Settings (P-Settings)
To enter the parameter setting interface, press and hold the Up and Down keys simultaneously. Use the Up or Down buttons to adjust values. Short press the M button to save the current parameter and move to the next. To exit and save, long press Up and Down simultaneously, or wait 10 seconds for automatic exit and save.
Caution: P01-P10 can be set, but it is not recommended to change settings unless necessary. For P11-P18, it is generally advised not to change them.
- P01: Backlight Brightness (0001: darkest, 0003: brightest)
- P02: Mileage Unit (0000: KM, 0001: MILE)
- P03: Voltage Level (24V, 36V, 48V, 52V, 60V, 72V; default 36V)
- P04: Sleep Time (0: no sleep; 1-60: minutes)
- P05: Power-Assist Gear (3rd, 5th, or 9th gears adjustable)
- P06: Wheel Diameter (Unit: inch; Precision: 0.1)
- P07: Number of Speed Measuring Magnets (Range: 1-255)
- P08: Speed Limit (Range: 0-100km/h; 100 means maximum speed limit. Note: Display converts to miles, but setting remains in km.)
- P09: Start Mode (0: Zero start; 1: Non-zero start)
- P10: Drive Mode Setting
- 0000: Power-assisted drive (throttle invalid)
- 0001: Electric drive (throttle active, assist gear invalid)
- 0002: Power-assisted drive and electric drive coexist (electric drive zero start invalid)
- P11: Boost Sensitivity (Range: 1-24)
- P12: Power-Assisted Start Strength (Range: 1-5)
- P13: Power-Assisted Magnetic Steel Discs (5, 8, or 12 magnets)
- P14-P18: Default values, cannot be changed.
Troubleshooting (LCD Error Codes)
If an error occurs, the LCD display may show a code. Refer to the list below to identify the issue:
- E-06: Battery undervoltage
- E-07: Motor failure
- E-08: Throttle handle failure
- E-09: Controller failure
- E-10: Communication reception failure
- E-11: Communication sending failure
- E-12: BMS communication failure
- E-13: Headlight failure
If you encounter an error code, first check the corresponding component and its connections. If the issue persists, contact customer support.
Maintenance
To ensure the longevity and optimal performance of your electric bike controller and LCD display, consider the following general maintenance tips:
- Keep the controller and display clean and free from dust and moisture.
- Regularly inspect all wiring connections for tightness and signs of wear or damage.
- Avoid exposing the components to extreme temperatures or direct sunlight for extended periods.
- Ensure the controller is adequately ventilated to prevent overheating.
Warranty and Support
Warranty: This product is sold without an explicit warranty. Please refer to the retailer's return policy for details on returns or exchanges.
Support: For technical assistance or inquiries, please contact the seller, Yiwu Chongxiao E-commerce Co.,Ltd., through the platform where the product was purchased.
