1. Introdución
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. Información de seguridade
AVISO: 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).
- A bomba debe estar debidamente conectada a terra para evitar descargas eléctricas.
- Non faga funcionar a bomba con cables ou enchufes danados.
- Do not pump flammable, explosive, or corrosive liquids. This pump is designed for water only.
- Manteña os nenos e o persoal non autorizado lonxe da bomba durante o funcionamento.
- Install the pump in a well-ventilated area, protected from direct sunlight and freezing temperatures.
3. Produto rematadoview
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. Configuración e instalación
Unha instalación axeitada é crucial para o rendemento e a lonxevidade da bomba.
- Montaxe: Securely mount the pump on a stable, level surface. Ensure adequate ventilation around the motor.
- Liña de aspiración: 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.
- Cebado: 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.
- Conexión eléctrica: Connect the pump to a dedicated 220-230V, 50Hz power supply. Ensure proper grounding. A qualified electrician should perform the electrical connection.
5. Instrucións de funcionamento
- Posta en marcha inicial: Despois do cebado, conéctese a fonte de alimentación. A bomba debería comezar a extraer auga e a xerar presión.
- Funcionamento continuo: Monitor the pump for unusual noises or vibrations. Ensure a continuous water supply to prevent dry running.
- Apagado: Turn off the power supply to stop the pump.
Nota: The pump is designed for continuous duty (thermally protected).
6. Mantemento
Un mantemento regular garante un rendemento óptimo e prolonga a vida útil da bomba.
- Limpeza: Periodically clean the pump exterior to prevent dirt buildup.
- Invernización: In freezing temperatures, drain all water from the pump and pipes to prevent damage. Store the pump in a frost-free environment.
- Inspección: Regularly check for leaks, damaged cables, or unusual wear. Address any issues promptly.
- Válvula de pé: Ensure the foot valve at the end of the suction line is clear of debris.
7 Solución de problemas
| Problema | Causa posible | Solución |
|---|---|---|
| A bomba non arranca | 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. |
| Baixo fluxo ou presión | Partial blockage in suction/delivery line; Worn impeller; Air in system. | Check and clear lines; Consult technician for impeller replacement; Re-prime pump. |
| Ruído ou vibración excesivos | 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. Especificacións
| Especificación | Valor |
|---|---|
| Modelo | JSWm 1AX-N |
| Marca | Pedrollo |
| Potencia (HP) | 0.75 HP (P2 0.55 kW) |
| Voltage | 220-230 V |
| Frecuencia | 50 Hz |
| Corrente (In) | 3.6 A |
| Max Flow Rate (Q) | 55 l/min |
| Max Head (H) | 43 m |
| Material | Noryl |
| Peso | 10 kg (22.05 lb) |
| Clase de protección | IP X4 |
| Clase de illamento | F |
| Temperatura máxima do líquido | 40 °C |
| Ciclo de traballo | Continuous duty (Thermally protected) |
9. Garantía e soporte
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.
Nota: A información sobre a dispoñibilidade de pezas de reposto non se proporciona nos detalles do produto.





