1. Product Overview
The VEVOR LPS25-11PA/180 is a high-efficiency circulation pump designed for residential heating systems. It facilitates the circulation of hot water, improving system efficiency and reducing waiting times for hot water. This pump is compatible with various heating setups, including underfloor heating systems, radiators, and solar water heaters.
Image 1.1: VEVOR LPS25-11PA/180 Circulation Pump and included accessories.
Key Features:
- Durable Construction: Manufactured from robust cast iron, ensuring high hardness, wear resistance, and stable performance even at elevated temperatures.
- Energy-Efficient Operation: Features an ECM permanent magnet motor for quiet operation (below 45 dBA) and reduced energy consumption. Includes an automatic night mode for further energy savings.
- High Performance: Delivers a maximum flow rate of 117 L/min and a maximum head lift of 11 meters.
- Integrated Check Valve: Prevents backflow within the heating system.
- Wide Application: Suitable for underfloor heating, radiators, and solar water heating systems.
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.
- Electrical Safety: Ensure the power supply matches the pump's specifications (AC 220-240 V, 50 Hz). Disconnect power before any installation, maintenance, or repair work. All electrical connections must be performed by a qualified electrician and comply with local regulations.
- Water Temperature: The pump is designed for fluid temperatures between 2 °C and 110 °C. Do not operate outside this range.
- Installation Environment: Install the pump in a dry, well-ventilated area, protected from freezing temperatures and direct sunlight.
- Pressure: Ensure the system pressure does not exceed the pump's maximum operating pressure.
- Children and Pets: Keep children and pets away from the pump during operation and maintenance.
- Proper Use: Use the pump only for its intended purpose as a circulation pump in heating systems.
3. Setup and Installation
Proper installation is crucial for the pump's optimal performance and longevity. Refer to the diagrams below for correct positioning and connection.
3.1 Unpacking and Components
Carefully unpack all components and verify against the packing list. The package includes:
- 1 x VEVOR LPS25-11PA/180 High-Efficiency Circulation Pump
- 1 x Power Cable
- 2 x Threaded Cast Iron Connections (7.09 in / 180 mm)
- 2 x Sealing Rings
- 1 x User Manual
Image 3.1: Overview of included components for installation.
3.2 Installation Guidelines
- Positioning: The pump must be installed horizontally. Ensure the pump head is not facing up or down. Incorrect orientation can lead to airlocks or premature wear.
- Location: Install the circulator pump on the return line of the underfloor heating system or radiator system.
- Water Flow Direction: Ensure the water flow direction matches the arrow indicated on the pump body.
- Connections: Use the provided threaded cast iron connections and sealing rings to ensure a watertight seal. Tighten connections securely but do not overtighten.
- Electrical Connection: Connect the power cable to a suitable electrical outlet (AC 220-240 V, 50 Hz). Ensure the circuit is protected by a residual current device (RCD).
Image 3.2: Correct installation procedures and orientation for the pump.
The pump is compatible with various heating system setups, including underfloor heating and radiator installations. An example of these setups is shown below.
Image 3.3: Examples of pump integration in underfloor heating and radiator systems.
4. Operating Instructions
The VEVOR LPS25-11PA/180 pump features an intuitive control panel with a digital display for easy operation and monitoring.
4.1 Control Panel Overview
Image 4.1: Digital display and control interface.
The digital display shows real-time operating parameters, such as power consumption (W). The control buttons allow selection of multiple operating modes and automatic adjustment settings.
4.2 Operating Modes
The pump offers various modes to optimize performance and energy efficiency:
- AUTO Adjustment Mode: This mode automatically adjusts the pump's performance based on system requirements, ensuring optimal efficiency and comfort.
- Multiple Fixed Speed Modes: Allows manual selection of different fixed speeds for specific system demands.
- Night Mode: Automatically reduces pump speed and power consumption during periods of low demand, typically at night, contributing to energy savings and quiet operation.
Refer to the on-screen indicators and the detailed instructions in the included paper manual for specific mode selection and adjustment procedures.
4.3 Quiet Operation
The ECM permanent magnet motor ensures quiet operation, with noise levels typically below 45 dBA. This design minimizes disruption, making it suitable for residential environments.
Image 4.2: The pump's quiet operation ensures minimal disturbance.
5. Maintenance
Regular maintenance helps ensure the longevity and efficient operation of your circulation pump. Always disconnect the pump from the power supply before performing any maintenance.
- Visual Inspection: Periodically inspect the pump and connections for any signs of leaks, corrosion, or damage.
- Cleaning: Keep the exterior of the pump clean and free from dust and debris. Do not use abrasive cleaners or solvents.
- System Flushing: If your heating system accumulates significant debris, consider flushing the system according to your heating system manufacturer's guidelines to prevent blockages in the pump.
- Air Venting: Ensure the heating system is properly vented to prevent airlocks, which can affect pump performance and cause noise.
- Winterization: If the pump is installed in an area prone to freezing, ensure the system is properly drained or protected with antifreeze to prevent damage.
6. Troubleshooting
This section provides solutions to common issues you might encounter. For problems not listed here or if issues persist, contact VEVOR customer support.
Common Issues and Solutions:
- Pump Not Starting:
- Check if the pump is properly connected to the power supply.
- Verify that the power outlet is functional.
- Ensure no circuit breaker has tripped.
- No Water Circulation or Low Flow:
- Check if the system is properly filled with water and free of airlocks. Vent the system if necessary.
- Ensure all valves in the heating system are open.
- Verify the pump's operating mode and settings.
- Check for blockages in the pump or piping.
- Confirm the pump is installed with the correct water flow direction.
- Unusual Noise from Pump:
- Air in the system is a common cause of noise. Bleed the system.
- Check for proper horizontal installation; incorrect orientation can cause noise.
- Ensure mounting bolts are secure.
- Inspect for foreign objects in the pump impeller (disconnect power first).
- Leaks at Connections:
- Tighten connections, ensuring sealing rings are correctly seated and not damaged.
- Replace damaged sealing rings if necessary.
7. Specifications
Detailed technical specifications for the VEVOR LPS25-11PA/180 Circulation Pump.
Image 7.1: Product dimensions and key specifications.
| Specification | Value |
|---|---|
| Model Number | LPS25-11PA/180 |
| Voltage/Frequency | AC 220-240 V, 50 Hz |
| Max Flow Rate | 117 L/min |
| Max Head Lift | 11 m (36 ft) |
| Rated Power (Max) | 140 W (IEE ≤ 0.23) |
| Operating Water Temperature | 2 °C to 110 °C |
| Protection Rating | IP44 |
| Operating Noise | ≤ 45 dBA |
| Connection Type | Threaded, 180 mm (7.09 in) |
| Product Dimensions (L x W x H) | 19.5 x 9.5 x 18 cm (7.68 x 3.74 x 7.09 in) |
| Net Weight | 2.9 kg (6.39 lbs) |
8. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the warranty card included with your product or visit the official VEVOR website. Ensure you have your model number (LPS25-11PA/180) and purchase details available when contacting support.
VEVOR Official Website: www.vevor.com
