1. Introduction
This manual provides comprehensive instructions for the installation, operation, and maintenance of the Sorand 36V/48V Brushless Motor Controller. This controller is designed to enhance the performance and efficiency of electric bicycles, electric scooters, and electric motorcycles.
Key features include:
- Compatible with 36V/48V motors.
- Reduces controller temperature rise, extending continuous vehicle mileage.
- Improves motor efficiency.
- Ensures smooth and comfortable riding with no noise or vibration.
Important Note: This product is only compatible with Quantum brand display devices.
2. Safety Information
Please read all safety instructions carefully before installation and operation to prevent injury or damage to the product. Keep this manual for future reference.
- Always disconnect power before performing any installation, maintenance, or troubleshooting.
- Ensure all connections are secure and properly insulated to prevent short circuits.
- Do not expose the controller to extreme temperatures, moisture, or corrosive environments.
- Only use the controller with compatible 36V/48V brushless motors and Quantum brand display devices.
- If you are unsure about any installation steps, consult a qualified technician.
3. Package Contents
The package includes:
- 1 x Sorand 36V/48V Brushless Motor Controller
4. Product Overview
The Sorand brushless motor controller is constructed from aluminum alloy, ensuring durability and efficient heat dissipation. It features multiple connectors for various components of your electric vehicle system.
Figure 4.1: Overview of the Sorand Brushless Motor Controller with labeled connections. From left to right: Motor (9-pin), PAS (3-pin), Power (red/black wires), and Cable 1-to-4 (8-pin) for accelerator, E-brake, and display.
Figure 4.2: Close-up view of the waterproof connectors, highlighting their robust design for reliable connections.
5. Setup and Installation
Follow these steps to correctly install the brushless motor controller. Ensure the power source is disconnected before beginning installation.
- Mounting the Controller: Securely mount the controller to your electric vehicle in a location that is protected from direct impact and excessive moisture, allowing for adequate ventilation.
- Motor Connection: Connect the 9-pin motor cable from the controller to your brushless motor. Ensure the connection is firm and fully seated.
- PAS Sensor Connection: Connect the 3-pin PAS (Pedal Assist System) sensor cable to the corresponding port on the controller.
- Power Supply Connection: Connect the red and black power wires from the controller to your 36V or 48V battery. Ensure correct polarity (red to positive, black to negative).
- Accessory Connections (Cable 1-to-4): Connect the 8-pin cable to your accelerator, E-brake levers, and the Quantum brand display device. Refer to your vehicle's wiring diagram for specific pin assignments if necessary.
- Final Check: Double-check all connections for security and correct polarity before reconnecting the battery power.
Figure 5.1: Example installation of the controller on an electric bicycle, showing cable routing.
Figure 5.2: Example installation of the controller on an electric scooter, demonstrating its versatility.
6. Operating Instructions
Once the controller is correctly installed and all connections are secure, you can begin operating your electric vehicle.
- Power On: Turn on the main power switch of your electric vehicle. The Quantum display device should illuminate.
- Accelerator: Use the accelerator (throttle) to control the motor speed. Apply gently to start moving.
- Pedal Assist System (PAS): If your vehicle is equipped with a PAS sensor, the motor will provide assistance when you pedal. The level of assistance may be adjustable via your Quantum display.
- Braking: The E-brake levers will cut off motor power when engaged, providing a safe stop.
- Monitoring: Monitor your speed, battery level, and other parameters via the Quantum display device.
Compatibility Reminder: This controller functions optimally with Quantum brand display devices. Using other display brands may result in incompatibility or reduced functionality.
7. Maintenance
Regular maintenance helps ensure the longevity and optimal performance of your Sorand brushless motor controller.
- Cleaning: Keep the controller clean and free from dust and debris. Use a soft, dry cloth for cleaning. Do not use harsh chemicals or abrasive materials.
- Connection Checks: Periodically inspect all electrical connections to ensure they are tight and free from corrosion.
- Environmental Protection: Avoid prolonged exposure to direct sunlight, heavy rain, or extreme temperatures.
- Damage Inspection: Regularly check the controller casing and cables for any signs of physical damage. If damage is found, discontinue use and seek professional repair.
8. Troubleshooting
If you encounter issues with your controller, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Motor not responding | Loose power connection, faulty motor cable, incompatible display, low battery. | Check all power and motor connections. Ensure battery is charged. Verify display is Quantum brand. |
| Intermittent power | Loose wiring, damaged cable, poor battery contact. | Inspect all wiring for damage and ensure connections are secure. Check battery terminals. |
| Controller overheating | Excessive load, poor ventilation, internal fault. | Reduce load on the motor. Ensure controller has adequate airflow. If problem persists, seek professional assistance. |
| Display not working | Loose display cable, incompatible display, display fault. | Check display cable connection. Confirm display is a Quantum brand model. |
If the problem persists after attempting these solutions, please contact customer support or a qualified technician.
9. Specifications
Detailed technical specifications for the Sorand Brushless Motor Controller:
- Model: Sorand0ub3zhq8i9
- Material: Aluminum Alloy
- Dimensions: Approximately 8.2 x 5.2 x 3 cm (3.23 x 2.05 x 1.18 inches)
- Maximum Current: 15 ± 1 A
- Rated Current: 7 A
- Low Voltage Protection: DC30/40 ± 0.5 V
- Brake Input: Low Level
- Compatibility: 36V/48V Brushless Motors, Quantum Brand Display Devices
- UPC: 738583282741
10. Warranty and Support
For warranty information and technical support, please refer to the documentation provided at the time of purchase or contact Sorand customer service. Keep your purchase receipt as proof of purchase.
For further assistance, please visit the official Sorand website or contact your local dealer.