NULKOMMA X098-AXC001 Electric Bicycle Brushless Motor Controller User Manual

1. Introduction

This manual provides essential information for the safe and efficient installation, operation, and maintenance of your NULKOMMA X098-AXC001 Electric Bicycle Brushless Motor Controller. Please read this manual thoroughly before use to ensure proper function and to prevent damage to the product or injury.

Package Contents:

• 1 x NULKOMMA X098-AXC001 Electric Bicycle Brushless Motor Controller

2. Safety Information

Always observe the following safety precautions to reduce the risk of injury or damage:

• Ensure the power supply is disconnected before performing any installation, maintenance, or troubleshooting.
• Verify that the controller's voltage (48V) matches your e-bike's battery system.
• All electrical connections must be secure and properly insulated to prevent short circuits.
• Avoid exposing the controller to extreme temperatures, direct sunlight for prolonged periods, or corrosive environments.
• Do not attempt to open or modify the controller casing, as this may void the warranty and pose safety risks.
• If you are unsure about any installation steps, consult a qualified technician.

3. Product Overview and Features

The NULKOMMA X098-AXC001 is a high-performance brushless motor controller designed for electric bicycles, offering stable speed control and sensitive response. Its robust construction ensures durability and reliability.

Key Features:

• Sensitive Control: Provides steady speed and sensitive control over braking and direction changes.
• Efficient Heat Dissipation: Constructed from aluminum alloy with a groove design, ensuring excellent heat dissipation to protect internal circuits from thermal overload.
• Durable and Waterproof Connectors: High-performance wires and fully waterproof interfaces ensure maximum durability and low failure rates in various weather conditions.
• Easy Installation: Interfaces are clearly labeled for straightforward connection.

Figure 3.1: NULKOMMA X098-AXC001 Brushless Motor Controller.

Figure 3.2: Controller dimensions for installation planning. The controller measures approximately 120mm in length, 50mm in width, and 30mm in height. The wire harness extends approximately 115mm.

4. Setup and Installation

Before installation, ensure your e-bike's battery is disconnected. The controller features clearly labeled interfaces to simplify the connection process. Refer to the diagrams below for proper wiring.

Installation Steps:

1. Mount the Controller: Securely mount the controller in a suitable location on your e-bike, ensuring it is protected from physical impact and excessive moisture. The aluminum casing is designed for heat dissipation, so ensure adequate airflow if possible.
2. Connect Motor Wires: Connect the motor phase wires (usually three thick wires, often green, blue, yellow) from the controller to the corresponding wires on your e-bike motor.
3. Connect Hall Sensor Wires: Connect the Hall sensor wires (usually five thinner wires) from the controller to the motor's Hall sensor connector.
4. Connect Battery Power: Connect the main power wires (red for positive, black for negative) from the controller to your e-bike battery. Ensure polarity is correct.
5. Connect Display/Meter: Connect the KDS display meter to the designated connector on the controller.
6. Connect Other Components: Connect throttle, brake levers, PAS (Pedal Assist System) sensor, and any other accessories to their respective labeled connectors on the controller.
7. Secure All Connections: Double-check all connections to ensure they are firm and properly insulated.

Figure 4.1: Overview of the controller with its various wire harnesses. Each harness is designed for specific connections such as motor, battery, display, and sensors.

Figure 4.2: Detailed view of the controller's waterproof connectors. Each connector is distinct and labeled for easy identification and correct wiring during installation.

Important Note: This product is customized. After placing your order, you may be contacted to ensure compatibility with your specific e-bike model. Please respond to any communication promptly to facilitate a smooth setup.

5. Operating Instructions

Once the controller is correctly installed and all connections are secure, you can begin operating your e-bike.

1. Power On: Turn on your e-bike's battery and then the KDS display meter. The controller will initialize.
2. Speed Control: Use the throttle or pedal assist system (PAS) to control the motor's speed. The controller provides sensitive and stable speed regulation.
3. Braking: Engaging the brake levers will signal the controller to cut power to the motor, providing sensitive and effective braking.
4. Display Functions: Refer to your KDS display meter's manual for specific functions such as speed display, battery level, and assist levels.
5. Power Off: Always turn off the KDS display meter first, then the e-bike battery, when you are finished riding.

6. Maintenance

Regular maintenance ensures the longevity and optimal performance of your controller.

• Cleaning: Periodically clean the exterior of the controller with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
• Connection Check: Regularly inspect all wire connections for tightness and signs of wear or corrosion. Ensure waterproof connectors are properly sealed.
• Heat Dissipation: Ensure the controller's aluminum casing remains free from obstructions to allow for proper heat dissipation.
• Storage: When not in use for extended periods, store the e-bike and controller in a dry, cool environment, away from direct sunlight.

7. Troubleshooting

If you encounter issues with your controller, refer to the following common problems and solutions:

If the problem persists after attempting these solutions, please contact NULKOMMA customer support.

8. Specifications

9. Warranty and Support

Warranty Information:

NULKOMMA offers a return and refund policy within 180 days if you are not satisfied with the product received. Please refer to the specific terms and conditions of your purchase for full details.

Customer Support:

For any questions, technical assistance, or warranty claims regarding your NULKOMMA X098-AXC001 controller, please contact NULKOMMA customer service. You can typically find contact information on the seller's page or through your purchase platform.

For more information, visit the NULKOMMA Store on Amazon.