1. Introduction
Thank you for choosing the Carbest 12V Water Pump. This manual provides essential information for the safe and efficient installation, operation, and maintenance of your pump. Please read this manual thoroughly before use and retain it for future reference.
This 12V pressure water pump features a robust construction designed for a long service life. It operates with a cut-off pressure of 2.8 bar and delivers a flow rate of 10 liters per minute. The pump incorporates a 3-compartment membrane system for reliable performance.
2. Safety Instructions
- Always disconnect power before installing, servicing, or performing any maintenance on the pump.
- Ensure the power supply matches the pump's rated voltage (12V DC).
- Do not operate the pump with flammable liquids. This pump is designed for water only.
- Protect the pump from freezing temperatures.
- Ensure proper ventilation around the pump to prevent overheating.
- Use appropriate wiring and fuses for the rated current (7.5A) to prevent electrical hazards.
- Install the pump in a dry location, protected from direct water spray.
3. Setup and Installation
3.1 Unpacking
Carefully remove the pump and all components from the packaging. Inspect for any damage that may have occurred during transit. Do not use if damaged.
3.2 Mounting
Mount the pump in a secure, dry location. The pump can be mounted horizontally or vertically. Ensure the mounting feet are firmly attached to a stable surface to minimize vibration and noise.
Image: Side view of the Carbest 12V water pump, highlighting the four integrated mounting feet designed for secure installation.
3.3 Plumbing Connections
Connect the inlet and outlet pipes to the pump. For optimal operation, use pipes with an inner diameter of 12 mm or more. Ensure all connections are tight to prevent leaks.
- Inlet: Connect the water supply line to the inlet port. The pump includes a pre-filter that should be installed on the inlet side to protect the pump from debris.
- Outlet: Connect the discharge line to the outlet port.
Image: The Carbest 12V water pump, showing the integrated pre-filter on the inlet side and the red and black wires for electrical connection.
Image: A detailed view of the transparent pre-filter assembly, showing the mesh screen inside, which prevents debris from entering the pump.
Image: Bottom perspective of the Carbest water pump, illustrating the threaded inlet and outlet ports for plumbing connections.
3.4 Electrical Connections
Connect the pump to a 12V DC power source. The red wire is for the positive (+) terminal, and the black wire is for the negative (-) terminal. Ensure correct polarity. It is recommended to install an inline fuse appropriate for the pump's rated current (7.5A) to protect the electrical circuit.
4. Operation
4.1 Priming the Pump
Before initial operation, ensure the pump is primed. Open a faucet or valve on the discharge side to allow air to escape. Turn on the power to the pump. The pump will begin to draw water and expel air. Once a steady flow of water is achieved, the pump is primed. Close the faucet/valve, and the pump will shut off automatically when the cut-off pressure is reached.
4.2 Automatic Operation
The Carbest 12V water pump is designed for automatic operation. It will turn on when a demand for water is detected (e.g., opening a faucet) and turn off when the demand ceases and the system pressure reaches the cut-off point (2.8 bar).
4.3 Flow Rate
The pump provides a flow rate of 10 liters per minute. Actual flow may vary depending on system pressure, pipe diameter, and elevation.
5. Maintenance
5.1 Pre-filter Cleaning
Regularly inspect and clean the pre-filter to ensure optimal pump performance and prevent damage from debris. To clean:
- Disconnect power to the pump.
- Unscrew the transparent housing of the pre-filter.
- Remove the mesh screen and rinse it thoroughly under clean water.
- Reassemble the pre-filter, ensuring the O-ring is properly seated to prevent leaks.
- Reconnect power and check for leaks.
Image: A close-up view of the transparent pre-filter, indicating the component that requires regular cleaning to maintain pump efficiency.
5.2 Winterization
If the pump will be exposed to freezing temperatures, it must be drained completely to prevent damage. Disconnect the inlet and outlet lines and allow all water to drain from the pump. Store in a dry, frost-free environment.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Pump does not turn on. | No power; Blown fuse; Loose wiring; Motor fault. | Check power supply; Replace fuse; Secure connections; Contact support. |
| Pump runs but no water flows. | Air in system (not primed); Clogged inlet/filter; Low water supply; Leaks in suction line. | Prime the pump; Clean pre-filter; Check water source; Inspect and seal suction lines. |
| Low flow or pressure. | Clogged filter; Partially closed valve; Small pipe diameter; Air in system. | Clean pre-filter; Open all valves; Ensure 12mm+ pipe diameter; Re-prime pump. |
| Pump cycles on and off frequently. | Small leak in system; Pressure switch malfunction; Accumulator tank issue (if applicable). | Check for leaks in plumbing; Contact support for pressure switch or accumulator issues. |
| Excessive noise or vibration. | Loose mounting; Debris in pump; Air in system. | Secure mounting feet; Clean pump (if accessible); Prime the pump. |
7. Technical Specifications
| Feature | Detail |
|---|---|
| Model Number | 145773197 |
| Brand | Carbest |
| Rated Voltage | 12V DC |
| Rated Current | 7.5A |
| Flow Rate | 10 Liters Per Minute |
| Cut-off Pressure | 2.8 bar |
| Pump System | 3-Compartment Membrane |
| Recommended Pipe Inner Diameter | 12 mm or more |
| Dimensions (L x W x H) | 20.3 x 13 x 12.3 cm |
| Weight | 2.04 Kilograms |
| Material | Plastic, Stainless Steel |
8. Warranty Information
Carbest products are manufactured to high-quality standards. For specific warranty terms and conditions, please refer to the warranty card included with your purchase or contact your retailer. The warranty typically covers manufacturing defects under normal use conditions.
Please note: Damage caused by improper installation, misuse, neglect, freezing, or unauthorized modifications is not covered under warranty.
9. Customer Support
For technical assistance, spare parts, or warranty claims, please contact your authorized Carbest dealer or the point of purchase. When contacting support, please have your product model number (145773197) and purchase date available.
You may also visit the official Carbest website for additional resources and contact information.
