1. Introduction
The JRAHK BLDC Controller is a versatile three-mode sine wave dual drive controller designed for electric bicycles and scooters. It offers a quiet start, strong power delivery, and energy efficiency. This manual provides essential information for the safe and effective use of your controller.
2. Specifications
| Feature | Description |
|---|---|
| Color | Gold |
| Type | Sine Motor Controller |
| Material | Aluminum alloy |
| Voltage Range | 36V-48V-52V-60V |
| Weight | 0.454g |
| Power Range | 350W-2000W |
| Current Limit | 18A-40A |
| Single Drive Current (Rated/Max) | 18A / 20A |
| Dual Drive Current (Rated/Max) | 36A / 40A |
| Single Drive Power (Rated/Calculated) | 350W-500W / 1000W |
| Dual Drive Power (Rated/Calculated) | 500W-1000W / 2000W |
3. Setup and Wiring
Proper wiring is crucial for the safe and correct operation of the controller. Refer to the diagrams below for connection details. Ensure all connections are secure before powering on the system.
3.1. Line Connection A
- Hall sensor
- Key switch (electric door lock)
- Motor phase line
- Power line
- Intelligent identification
3.2. Detailed Wiring Connections
- Motor phase line
- Throttle
- Electric three-speed
- PAS (Pedal Assist System)
- Low-level brake
- High-level brake
- Phase line instrument
- One-line instrument
- Shift three-speed
- Single drive/dual drive
- Intelligent learning line
- Hall sensor
- Hall instrument
- Cruise
- Reverse
4. Operating Instructions
The JRAHK BLDC Controller operates with a 'Three-Mode' functionality, automatically adapting to different motor and sensor conditions.
4.1. Three-Mode Operation
- Sine Wave Mode: This is the default operating mode, providing a quiet start and efficient power. It is primarily utilized by in-wheel motors equipped with Hall sensors.
- Square Wave Mode: If the Hall sensor is damaged or not detected, the controller will automatically switch to square wave mode to maintain functionality.
- No-Hall Mode: When no Hall sensors are connected to the controller, it will operate in a no-Hall mode. This allows compatibility with motors that do not utilize Hall sensors.
The controller automatically selects the appropriate mode; manual selection is not available.
4.2. General Operation
- Ensure all connections are correct and secure before turning on the power.
- The controller provides a quiet start, minimizing sudden jerks.
- It is designed for strong power output and efficient power consumption.
5. Maintenance
To ensure the longevity and optimal performance of your JRAHK BLDC Controller, follow these general maintenance guidelines:
- Keep Dry: Protect the controller from water and excessive moisture. While the aluminum alloy casing offers some protection, direct exposure to water can cause damage.
- Keep Clean: Periodically clean the exterior of the controller to prevent dust and dirt buildup, which can affect heat dissipation.
- Inspect Connections: Regularly check all wiring connections for tightness and signs of wear or corrosion. Loose connections can lead to intermittent operation or damage.
- Avoid Overheating: The aluminum alloy material aids in heat dissipation. Ensure the controller is mounted in a location with adequate airflow to prevent overheating, especially during prolonged high-power operation.
- Handle with Care: Avoid dropping or subjecting the controller to strong impacts, which can damage internal components.
6. Troubleshooting
This section addresses common issues you might encounter with your BLDC controller.
6.1. Common Issues and Solutions
- Controller not powering on or intermittent power:
Check all power line connections (Power line, Key switch) for secure contact. Ensure the battery voltage is within the specified range (36V-60V). - Motor not responding or erratic behavior:
Verify all motor phase line and Hall sensor connections. If the Hall sensor is suspected to be faulty, the controller should automatically switch to square wave mode; however, a damaged sensor might still cause issues. Check throttle and brake connections. - Controller overheating:
Ensure the controller is mounted in a well-ventilated area. Check for any obstructions to airflow around the aluminum casing. Reduce continuous high-power usage if possible.
6.2. Voltage Compatibility
The controller is designed for 36V-60V systems. It is not recommended for 72V systems. A fully charged 72V battery can reach 84V, which exceeds the internal capacitor's 80V rating and may cause component failure.
6.3. Display Compatibility
The compatibility with external displays depends on the display's communication protocol and the controller's interface. Ensure any display used is compatible with the controller's specifications and wiring for instrument connections (Phase line instrument, One-line instrument, Hall instrument).
7. User Tips
- Motor Type: While the controller is applicable to a variety of motors, only in-wheel motors with Hall sensors can fully utilize the sine wave mode. When operating other motor types, the controller will automatically switch to square wave or no-Hall mode.
- Intelligent Learning Line: Utilize the intelligent learning line during initial setup to optimize motor and controller synchronization.
8. Important Considerations
Product Color: The gold color of the controller may appear to change under strong light or direct sunlight due to reflective properties. This is a normal characteristic of the finish.
9. Warranty and Support
For any installation problems or quality issues, please contact customer service. We are committed to providing support and assistance to ensure your satisfaction.
