1. Introduction
This manual provides essential information for the safe and efficient installation, operation, and maintenance of your Pedrollo JSWm 1AX-N self-priming electric water pump. Please read these instructions carefully before using the pump and keep this manual for future reference.
The Pedrollo JSWm 1AX-N is a self-priming electric pump designed for pumping water. This model is an updated version of the JSWM/1A series.
2. Safety Information
WARNING: Failure to follow these safety instructions may result in electric shock, fire, serious injury, or death.
- Always disconnect the pump from the power supply before performing any maintenance or installation.
- Ensure the electrical supply matches the pump's specifications (220-230V, 50Hz).
- The pump must be properly grounded to prevent electric shock.
- Do not operate the pump with damaged cables or plugs.
- Do not pump flammable, explosive, or corrosive liquids. This pump is designed for water only.
- Keep children and unauthorized personnel away from the pump during operation.
- Install the pump in a well-ventilated area, protected from direct sunlight and freezing temperatures.
3. Product Overview
The Pedrollo JSWm 1AX-N is a robust self-priming pump. Key features include:
- Self-priming capability.
- Power: 0.75 kW (0.85 HP).
- Maximum flow rate: 55 liters/minute.
- Maximum head: 43 meters.
- Constructed with Noryl material.
Figure 1: Pedrollo JSWm 1AX-N Self-Priming Electric Water Pump. This image shows the overall view of the blue electric pump with its motor and pump housing.
Figure 2: Pedrollo JSWm 1AX-N Pump Rating Plate. This image displays the technical specifications label on the pump, including model number, power, voltage, frequency, and flow rates.
4. Setup and Installation
Proper installation is crucial for the pump's performance and longevity.
- Mounting: Securely mount the pump on a stable, level surface. Ensure adequate ventilation around the motor.
- Suction Line: Connect a rigid, airtight suction pipe to the pump's inlet. The suction line should be as short and straight as possible, with a foot valve at the end submerged in the water source. The pump can draw water from depths up to 9 meters.
- Delivery Line: Connect the delivery pipe to the pump's outlet. Install a check valve if the delivery line is long or has significant vertical lift.
- Priming: Before first use, or if the pump runs dry, fill the pump body completely with water through the priming port until it overflows. Replace the priming plug securely.
- Electrical Connection: Connect the pump to a dedicated 220-230V, 50Hz power supply. Ensure proper grounding. A qualified electrician should perform the electrical connection.
5. Operating Instructions
- Initial Start-up: After priming, switch on the power supply. The pump should start drawing water and build pressure.
- Continuous Operation: Monitor the pump for unusual noises or vibrations. Ensure a continuous water supply to prevent dry running.
- Shut-down: Turn off the power supply to stop the pump.
Note: The pump is designed for continuous duty (thermally protected).
6. Maintenance
Regular maintenance ensures optimal performance and extends the pump's lifespan.
- Cleaning: Periodically clean the pump exterior to prevent dirt buildup.
- Winterization: In freezing temperatures, drain all water from the pump and pipes to prevent damage. Store the pump in a frost-free environment.
- Inspection: Regularly check for leaks, damaged cables, or unusual wear. Address any issues promptly.
- Foot Valve: Ensure the foot valve at the end of the suction line is clear of debris.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Pump does not start | No power supply; Motor overload; Damaged capacitor. | Check power connection and circuit breaker; Allow motor to cool; Consult a qualified technician. |
| Pump runs but no water is delivered | Pump not primed; Air leak in suction line; Suction lift too high; Foot valve blocked. | Re-prime the pump; Check suction line for leaks; Reduce suction lift; Clean foot valve. |
| Low flow or pressure | Partial blockage in suction/delivery line; Worn impeller; Air in system. | Check and clear lines; Consult technician for impeller replacement; Re-prime pump. |
| Excessive noise or vibration | Cavitation (air in pump); Loose mounting; Worn bearings. | Ensure pump is fully primed and suction line is airtight; Secure mounting bolts; Consult a technician. |
8. Specifications
| Specification | Value |
|---|---|
| Model | JSWm 1AX-N |
| Brand | Pedrollo |
| Power (HP) | 0.75 HP (P2 0.55 kW) |
| Voltage | 220-230 V |
| Frequency | 50 Hz |
| Current (In) | 3.6 A |
| Max Flow Rate (Q) | 55 l/min |
| Max Head (H) | 43 m |
| Material | Noryl |
| Weight | 10 kg (22.05 lbs) |
| Protection Class | IP X4 |
| Insulation Class | F |
| Max Liquid Temperature | 40 °C |
| Duty Cycle | Continuous duty (Thermally protected) |
9. Warranty and Support
For warranty information and technical support, please refer to the official Pedrollo website or contact your authorized Pedrollo dealer. Keep your purchase receipt as proof of purchase.
Pedrollo is a manufacturer based in San Bonifacio (VR) Italy. Contact information may be available on the product's rating plate or official documentation.
Note: Spare parts availability information is not provided in the product details.
