Introducció
This manual provides essential information for the safe and efficient operation, installation, and maintenance of your Gardena Comfort Aquasensor 8500 Submersible Pump. Please read these instructions carefully before use and keep them for future reference.

Image: The Gardena Comfort Aquasensor 8500 Submersible Pump operating in dirty water, demonstrating its primary function.
Informació de seguretat
Observeu sempre les següents precaucions de seguretat per evitar lesions personals i danys a la bomba:
- Seguretat elèctrica: Ensure the power supply matches the pump's specifications (230V AC). Do not operate the pump with a damaged power cord or plug. Always disconnect from power before handling or servicing.
- Immersió: La bomba està dissenyada només per a ús submergible. No la feu funcionar en sec.
- Temperatura de l'aigua: Do not pump liquids exceeding 35°C (95°F).
- Mida de partícula: The pump can handle particles up to 30 mm. Pumping larger particles may cause damage.
- Nens i animals de companyia: Keep children and pets away from the operating pump and water being pumped.
- Instal·lació: Ensure stable placement of the pump. Do not lift the pump by its power cable.
Configuració
- Desembalatge: Traieu amb cura la bomba i tots els accessoris de l'embalatge. Inspeccioneu-ho per veure si hi ha algun dany.
- Connexió de la mànega:
Attach a suitable hose to the universal connector. The pump accommodates hoses from 13 mm (1/2") to 38 mm (1 ½"). Secure the hose with a clamp if necessary to prevent detachment during operation.

Imatge: Una imatge detallada view of the Gardena Comfort Aquasensor 8500 pump, highlighting the universal connector for hose attachment.
- Col·locació: Place the pump on a stable, level surface in the water to be drained. Ensure the pump is fully submerged before starting. The maximum immersion depth is 7 meters.
- Connexió d'alimentació: Connect the 10-meter power cable to a grounded 230V AC power outlet. Ensure the outlet is protected by a residual current device (RCD).
Instruccions de funcionament
The Gardena Comfort Aquasensor 8500 features an intelligent Aquasensor for automatic operation.
- Mode automàtic: The Aquasensor automatically activates drainage when the water level reaches 65 mm. Two additional sensors provide flexible control for autonomous shutdown.
- Manual Continuous Operation: For continuous operation, the on/off sensors can be individually adjusted. Refer to the markings on the sensor unit for specific settings.
- Inici de la bomba: Once connected to power and submerged, the pump will start automatically in Aquasensor mode or operate continuously based on your sensor settings.
- Aturar la bomba: In automatic mode, the pump will stop when the water level drops below the set threshold. For manual shutdown, disconnect the pump from the power supply.
- Seguiment: Regularly check the pump's operation and the water level. Avoid running the pump dry.
Manteniment
Un manteniment regular garanteix la longevitat i el rendiment òptim de la bomba.
- Neteja: After each use, especially when pumping dirty water, rinse the pump with clean water. Remove any debris or particles that may have accumulated around the impeller or sensor.
- Neteja del sensor: If the Aquasensor function becomes unreliable, clean the sensor contacts. Deposits like limescale can affect their sensitivity.
- Inspecció de l'impel·lent: Periodically inspect the impeller for wear or damage. A low-wear impeller is designed for durability, but extreme conditions can cause issues.
- Emmagatzematge: When not in use for extended periods, clean the pump thoroughly, drain all water, and store it in a dry, frost-free location.
- Inspecció del cable: Regularly check the power cable for any signs of damage. Do not use the pump if the cable is frayed or cut.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| La bomba no arrenca. | No power supply; Thermal breaker tripped; Impeller jammed. | Check power connection and RCD. Allow pump to cool down. Disconnect power and clear any obstructions from the impeller. |
| La bomba funciona però no es bomba aigua. | Air in the pump; Hose blocked or kinked; Water level too low. | Ensure pump is fully submerged. Check hose for blockages or kinks. Verify water level is above the minimum activation threshold. |
| Aquasensor not functioning correctly. | Sensors are dirty or covered in deposits. | Clean the Aquasensor contacts thoroughly. |
| Reduced pumping performance. | Partial blockage; Worn impeller. | Clean the pump and check for debris. Inspect impeller for wear. |
Especificacions
| Característica | Detall |
|---|---|
| Número de model | 1797-20 |
| Poder | 380 watts |
| Voltage | 230 volts (CA) |
| Màx. Velocitat de flux | 8300 litres per hora |
| Màx. Cap de lliurament | 6 metres |
| Màx. Profunditat d'immersió | 7 metres |
| Màx. Mida de partícules | 30 mm |
| Max. Media Temperature | 35 °C |
| Longitud del cable | 10 metres |
| Protecció elèctrica | IP X8 |
| Dimensions del producte (L x A x A) | 28.1 x 22.5 x 35.5 cm |
| Pes | 5.6 kg (12.35 lliures) |
| Material | Plàstic |
Garantia i Suport
Gardena products are engineered in Germany and built for durability. For warranty information, please refer to the documentation included with your purchase or visit the official Gardena website. For technical support, spare parts, or service inquiries, please contact Gardena customer service through their official channels. Keep your proof of purchase for warranty claims.
Fabricant: Gardena Deutschland GmbH





