1. Product Overview
This manual provides essential instructions for the safe and efficient installation, operation, and maintenance of your BONKZEBU Submersible Pump Control Box. This control box is designed to connect and manage deep well submersible pumps, ensuring reliable water supply and drainage.

Image 1.1: Front view of the BONKZEBU Submersible Pump Control Box.
Key Features:
- Durable ABS Shell: Constructed from high-quality ABS material, offering impact resistance, scratch resistance, and environmental friendliness.
- Integrated Thermal Protection: Features a built-in thermal protection circuit breaker for enhanced safety and longevity of the pump system.
- Robust Construction: Made with excellent, strong, and thick materials, ensuring a smooth surface and extended service life.
- Easy Operation: Designed for straightforward connection and control of deep well submersible pumps.
- Corrosion-Resistant Components: Utilizes stainless steel materials for erosion resistance, good mechanical properties, and high strength.

Image 1.2: The control box features a durable ABS shell.
2. Safety Information
WARNING: Before performing any installation, maintenance, or troubleshooting, always ensure the power supply to the control box is completely disconnected. Failure to do so can result in electric shock, serious injury, or death.

Image 2.1: Warning label indicating to disconnect power before removing the cover.
- Read all instructions carefully before installation and operation.
- Ensure all electrical connections are made by a qualified electrician and comply with local electrical codes.
- Do not operate the control box if it is damaged or appears to be malfunctioning.
- Keep children and unauthorized personnel away from the control box during operation.
- Protect the control box from moisture and direct exposure to weather unless specifically rated for outdoor use.
3. Setup and Installation
The BONKZEBU Submersible Pump Control Box is designed for direct installation and connection to a deep well submersible pump.
Installation Steps:
- Power Disconnection: Ensure the main power supply to the installation area is completely turned off at the circuit breaker.
- Mounting: Securely mount the control box in a dry, protected location, away from direct sunlight and extreme temperatures. Use appropriate fasteners for the mounting surface.
- Pump Connection: Connect the submersible pump's power cable to the designated terminals inside the control box. Refer to the wiring diagram provided with your submersible pump for correct terminal identification.
- Power Supply Connection: Connect the incoming 110V AC power supply to the control box. The control box features a US plug for standard 110V outlets.
- Grounding: Ensure proper grounding of the control box and the pump system according to local electrical codes.
- Cable Glands: Tighten all cable glands securely to prevent moisture ingress and ensure strain relief for the cables.
- Final Check: Double-check all connections for tightness and correctness before restoring power.

Image 3.1: The control box features a US plug for 110V power supply.

Image 3.2: Securely tightened cable glands.
4. Operating Instructions
Once the control box is properly installed and connected, operating your submersible pump is straightforward.
To Operate the Pump:
- Restore Power: Turn on the main power supply to the control box at the circuit breaker.
- Activate Pump: Locate the ON/OFF switch on the front of the control box. Flip the switch to the "ON" position to start the submersible pump.
- Deactivate Pump: To turn off the pump, flip the switch to the "OFF" position.

Image 4.1: The red ON/OFF switch for pump activation.
The built-in thermal protection circuit breaker will automatically trip if the pump motor overheats or draws excessive current, protecting the pump from damage. If this occurs, turn off the control box, allow the pump to cool, and investigate the cause of the overload before resetting and restarting.
5. Maintenance
Regular maintenance helps ensure the longevity and optimal performance of your BONKZEBU Submersible Pump Control Box.
- Periodic Inspection: Periodically inspect the control box for any signs of physical damage, corrosion, or loose connections.
- Cleaning: Keep the exterior of the control box clean and free from dust and debris. Use a soft, dry cloth for cleaning. Do not use abrasive cleaners or solvents.
- Connection Checks: Annually, or as needed, with the power disconnected, check all electrical connections for tightness.
- Environmental Protection: Ensure the control box remains protected from harsh environmental conditions, especially moisture.
For any internal maintenance or repairs, it is recommended to consult a qualified technician.
6. Troubleshooting
This section provides solutions to common issues you might encounter with your control box.
| Problem | Possible Cause | Solution |
|---|---|---|
| Pump does not start when switch is ON. |
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| Pump runs intermittently or cycles too frequently. |
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| Control box feels hot. |
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If you are unable to resolve an issue using the troubleshooting guide, contact a qualified electrician or the manufacturer for assistance.
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | BONKZEBUny28bhqrxa-11 |
| Power Rating | 2.2KW (3.0HP) |
| Capacitor | 70uf |
| Current Rating | 20A |
| Voltage | 110V (US Plug) |
| Material | Acrylonitrile Butadiene Styrene (ABS), Stainless Steel |
| Item Weight | 1.55 pounds |
| Package Dimensions | 8.27 x 6.3 x 3.15 inches |
| Built-in Protection | Thermal protection circuit breaker |
For detailed electrical specifications, refer to the label on the control box itself.

Image 7.1: Technical specification label on the control box.
8. Warranty and Support
For specific warranty terms and conditions, please refer to the documentation included with your purchase or contact the seller directly.
If you require technical support or have questions not covered in this manual, please contact BONKZEBU customer service through your purchase platform or the official BONKZEBU website.