1. Introducció
Thank you for choosing the Wiltec Sand Filter System. This manual provides essential information for the safe and efficient operation, installation, and maintenance of your new pool filter system. Please read this manual thoroughly before installation and operation, and keep it for future reference.
The Wiltec Sand Filter System is designed to provide powerful and effective filtration for various types of swimming pools, ensuring clean and clear water.

Figura 1: Mésview of the Wiltec Sand Filter System.
2. Instruccions de seguretat
Always observe the following safety precautions to reduce the risk of injury, electric shock, fire, or damage to the equipment.
- Llegiu totes les instruccions abans d'utilitzar el producte.
- Ensure the power supply matches the specifications of the pump.
- No feu funcionar la bomba si el cable d'alimentació o l'endoll estan danyats.
- Mantingueu els nens i les persones no autoritzades allunyats de l'equip durant el funcionament.
- Always disconnect the power before performing any maintenance or cleaning.
- Do not run the pump dry; ensure it is always filled with water during operation.
- Install the system on a firm, level surface.
- Protect the system from direct sunlight and extreme weather conditions.
- Only use the system for its intended purpose of filtering pool water.
- The maximum water temperature for operation is 43 °C.
3. Components del producte
The Wiltec Sand Filter System consists of the following main components:
- Tanc de filtre: Blue plastic tank with a 26-liter capacity, designed to hold up to 20 kg of quartz sand.
- Self-Priming Pool Pump: 250W pump with a flow rate of up to 10,000 L/h.
- 5-Way Valve: Multi-port valve for controlling different operational modes (Filter, Backwash, Rinse, Waste, Closed, Winter).
- Manòmetre: Indicates the pressure within the filter system.
- Tap de drenatge: Located at the bottom of the tank for easy draining.
- Connecting Hoses and Clamps: For connecting the pump to the tank and to the pool.

Figure 2: Main components of the sand filter system.

Figure 3: Key features of the system.
4. Especificacions
| Paràmetre | Valor |
|---|---|
| Número de model | 63344 |
| Poder | 250 W |
| Màx. Velocitat de flux | 10,000 L/h |
| Màx. Alçada d'elevació | 9 metres |
| Voltage | 230 V |
| Filter Tank Volume | 26 Liters (for up to 20 kg quartz sand) |
| Màx. Temperatura de l'aigua | 43 °C |
| Material | Plàstic |
| Dimensions del producte (L x A x A) | 33.6 x 65.5 x 54 cm |
| Pes de l'article | 9.54 kg |

Figura 4: Dimensions del producte.
5. Configuració i instal·lació
Follow these steps for proper setup and installation of your sand filter system:
- Col·locació: Choose a level, stable surface near your pool, protected from direct sunlight and rain. Ensure adequate ventilation and space for maintenance.
- Sand Filling: Remove the multi-port valve from the top of the filter tank. Fill the tank with the recommended amount (up to 20 kg) of filter sand (quartz sand, grain size 0.4-0.8 mm or similar). Ensure the standpipe inside the tank is centered and protected from sand entering it during filling.
- Instal·lació de la vàlvula: Carefully place the 5-way valve onto the top of the tank, ensuring it aligns correctly with the standpipe. Secure the valve with the provided clamp o cargols.
- Connexió de la bomba: Connect the pump to the filter tank using the provided hose. Ensure all connections are tight to prevent leaks.
- Pool Connections: Connect the "RETURN" port of the 5-way valve to the pool's return inlet and the "PUMP" port of the pump to the pool's skimmer or main drain. Connect the "WASTE" port to a suitable drain or waste area.
- Cebada de la bomba: Before starting, ensure the pump is filled with water. Open the pump's pre-filter lid and fill it with water until the pump housing is full. Close the lid securely.
- Connexió elèctrica: Connect the pump to a grounded electrical outlet. Ensure the power supply matches the pump's requirements.
6. Instruccions de funcionament
The 5-way valve controls the operation of the sand filter system. Always turn off the pump before changing the valve position.

Figure 5: 5-Way Valve Control Options.
- FILTRE: (Filtern) This is the standard operating mode for daily filtration. Water flows through the sand bed, trapping debris, and returns clean to the pool.
- CONTRENAT: (Rückspülen) Used for cleaning the filter sand. Water flows in reverse through the sand bed, dislodging trapped debris, and is directed out through the waste port. Perform backwash when the pressure gauge reading is 0.2-0.3 bar (3-5 psi) above the clean filter pressure, or when water flow decreases significantly. Backwash for 2-3 minutes or until water runs clear.
- ESbandida: (Spülen) After backwashing, this mode is used to rinse the sand bed and settle it. Water flows through the sand and out the waste port. Rinse for 30-60 seconds after each backwash.
- RESIDUS/DESGUÀS: (Schmutzwasser) Bypasses the filter and sends water directly out the waste port. Useful for vacuuming heavy debris directly to waste, lowering the pool water level, or draining the pool.
- TANCAT: (Geschlossen) Shuts off all flow to the filter and pump. Do not operate the pump in this position. Use when performing maintenance on the pump or filter.
- L'HIVERN: (Winter) Used for winterizing the system. This position typically allows for draining the system and relieving pressure on the valve components. Consult winterization guidelines for your specific climate.
Important: Always turn off the pump before changing the valve position to prevent damage to the valve or system.

Figure 6: Filtration process overview.
7. Manteniment
Un manteniment regular garanteix la longevitat i l'eficiència del vostre sistema de filtre de sorra.
- Rentat a contracorrent: Perform backwash regularly as indicated by the pressure gauge or reduced flow.
- Esbandida: Always rinse after backwashing to prevent dirty water from returning to the pool.
- Substitució de sorra: Filter sand typically needs to be replaced every 3-5 years, depending on usage and water quality.
- Pump Basket Cleaning: Periodically check and clean the pump's pre-filter basket to remove large debris that could obstruct flow.
- Hivernització: In colder climates, drain all water from the pump, filter, and hoses to prevent freezing damage. Store the pump indoors if possible. Set the 5-way valve to the "WINTER" position.
- Neteja general: Keep the exterior of the pump and filter tank clean.
8. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Low water flow / High pressure | Clogged filter sand; dirty pump basket; closed valve. | Perform backwash and rinse; clean pump basket; check valve position. |
| Pump not priming / No water flow | Air leak in suction line; pump not filled with water; clogged impeller. | Check all connections for leaks; fill pump with water; inspect impeller for blockages. |
| Water returning to pool is dirty | Filter sand needs backwashing or replacement; valve not set to FILTER. | Backwash and rinse; consider replacing sand; ensure valve is on FILTER. |
| La bomba fa un soroll inusual | Air in system; cavitation; debris in impeller. | Check for air leaks; ensure adequate water supply to pump; clean impeller. |
9. Garantia i Suport
Per obtenir informació sobre la garantia i assistència tècnica, consulteu el lloc web oficial del fabricant. weblloc web o contacteu amb el vostre distribuïdor. Conserveu el rebut de compra com a comprovant de compra.
Fabricant: XPOtool
Weblloc: www.wiltec.de





