1. Introduction
This manual provides essential information for the safe and efficient installation, operation, and maintenance of your Pedrollo UPm2/4-GE Multi-Stage Submersible Electric Water Pump. Please read this manual thoroughly before installation and use, and retain it for future reference.
The Pedrollo UP series of multi-stage submersible pumps features an innovative design that prevents impellers from blocking, even after extended periods of inactivity. This design ensures high efficiency and reliability, making these pumps suitable for clean water applications in domestic, civil, and agricultural settings. Typical uses include water distribution with pressure sets, garden and allotment irrigation, and pressure boosting.
2. Safety Information
Always observe the following safety precautions to prevent personal injury and damage to the pump:
- Ensure the power supply matches the pump's voltage requirements (240V).
- Disconnect power before performing any installation, maintenance, or repair work.
- Do not operate the pump with damaged cables or if the pump itself is visibly damaged.
- The pump is designed for clean water only. Do not use it for flammable, corrosive, or abrasive liquids.
- Ensure proper grounding of the electrical system.
- Keep children and unauthorized personnel away from the pump's operating area.
- Do not lift the pump by its electrical cable. Use a rope or chain attached to the pump's lifting eye.
3. Setup and Installation
Proper installation is crucial for the pump's performance and longevity. Refer to the diagram below for a typical installation setup.
Figure 1: Typical installation diagram, performance curves, and dimensional data for Pedrollo UPm2/4-GE submersible pumps. This image illustrates how the pump should be submerged in a water source, connected to a discharge pipe, and includes technical specifications and performance characteristics.
- Submersion: The pump must be fully submerged in clean water. Ensure the water level is always above the pump's intake.
- Mounting: Secure the pump using a suitable rope or chain attached to the designated lifting point. Do not let the pump rest directly on the bottom if it's muddy or sandy.
- Discharge Pipe: Connect a discharge pipe of appropriate diameter to the pump's outlet. Ensure all connections are watertight.
- Electrical Connection: Connect the pump to a 240V power supply with proper grounding and a residual current device (RCD) for safety. Consult a qualified electrician if unsure.
- Float Switch: If equipped with a float switch (as shown in Figure 1), ensure it can move freely to control the pump's on/off cycles based on water level.
4. Operating Instructions
Once installed correctly, operating the Pedrollo UPm2/4-GE pump is straightforward:
- Initial Start-up: Ensure the pump is fully submerged and all connections are secure. Turn on the power supply. The pump will start automatically if the float switch is in the 'on' position (water level high enough).
- Continuous Operation: The pump is designed for continuous operation within its specified limits. Monitor the water level to prevent dry running, especially if not using a float switch.
- Shut-down: To stop the pump, turn off the power supply. If using a float switch, the pump will stop automatically when the water level drops below the minimum operating level.
- Water Quality: The pump is intended for clean water. Pumping water with excessive sediment or debris can damage the impellers and motor.
5. Maintenance
Regular maintenance ensures optimal performance and extends the pump's lifespan. Always disconnect power before maintenance.
- Cleaning: Periodically inspect the pump's intake screen for blockages from debris. Clean as necessary.
- Impeller Inspection: While the pump's design resists blocking, occasional inspection of the impellers for wear or damage is recommended, especially if performance degrades. This typically requires professional service.
- Cable Inspection: Check the power cable for any signs of damage, cuts, or fraying. Replace immediately if damaged.
- Winterization: In freezing climates, remove the pump from the water source and store it in a frost-free environment if it will not be used during winter. Drain all water from the pump and pipes.
6. Troubleshooting
If you encounter issues with your pump, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Pump does not start | No power; Float switch in 'off' position; Motor overload; Damaged cable. | Check power supply and circuit breaker; Ensure float switch is free and water level is sufficient; Reset thermal overload protector (if present); Inspect and replace cable if damaged. |
| Pump runs but no water or low flow | Intake blocked; Air in system; Discharge pipe blocked or kinked; Low water level; Worn impellers. | Clean intake screen; Bleed air from the system; Check and clear discharge pipe; Ensure pump is fully submerged; Contact service for impeller inspection. |
| Pump stops unexpectedly | Overheating; Low water level (float switch activated); Electrical fault. | Allow pump to cool; Check water level; Inspect electrical connections and power supply. |
If troubleshooting steps do not resolve the issue, contact a qualified technician or Pedrollo customer support.
7. Specifications
The following table details the technical specifications for the Pedrollo UPm2/4-GE Multi-Stage Submersible Electric Water Pump:
Figure 2: Front view of the Pedrollo UPm2/4-GE Multi-Stage Submersible Electric Water Pump, showcasing its stainless steel body, blue power cable, and orange float switch.
| Specification | Value |
|---|---|
| Brand | Pedrollo |
| Model Number | UPm2/4 (48SP2120A1) |
| Power | 1 Hp |
| Voltage | 240 Volts |
| Material | Stainless Steel |
| Power Source | Electric Cable |
| Maximum Flow Rate | 80 Litres per minute |
| Maximum Lift Height | 62 Meters |
| ASIN | B018W45YV0 |
8. Warranty and Support
Specific warranty details for the Pedrollo UPm2/4-GE pump are not provided in this manual. For warranty information, please refer to the documentation included with your purchase or contact the seller (cemstore) or Pedrollo directly. For technical support or service, please reach out to the authorized Pedrollo service center in your region.
