1. Introduzione
This manual provides essential information for the safe and efficient installation, operation, and maintenance of your Wilo SUB TWU 4 submersible pump, model TWU4-0409-C-EM. Please read these instructions carefully before installation and use to ensure proper function and to prevent damage or injury. Keep this manual for future reference.
2. Informazioni sulla sicurezza
Avvertenze di sicurezza generali:
- Always disconnect the power supply before performing any work on the pump or its electrical components.
- L'installazione e la manutenzione devono essere eseguite esclusivamente da personale qualificato, nel rispetto delle normative e degli standard locali.
- Ensure the pump is correctly grounded to prevent electrical shock.
- Do not operate the pump dry. Running without water will cause severe damage.
- Proteggere la pompa dalle temperature gelide.
- Use only genuine Wilo spare parts for repairs.
3. Configurazione e installazione
3.1 Disimballaggio
Carefully remove the pump from its packaging. Inspect the pump for any visible damage that may have occurred during transit. Report any damage to your supplier immediately.
Figure 1: Wilo SUB TWU 4 Submersible Pump. This image shows the pump unit, highlighting its compact design suitable for well installation.
3.2 Pump Selection Guide (TWU Series)
The following table provides a guide for selecting the appropriate TWU series pump based on required head (H) and flow rate (Q). This helps ensure optimal performance for your specific application.
| H/Q | <2.5 m³/h | Da 2.5 a 3 m³/ora | Da 3 a 3.5 m³/ora | Da 3.5 a 4 m³/ora | Da 4 a 4.5 m³/ora | Da 4.5 a 5 m³/ora | Da 5 a 5.5 m³/ora |
|---|---|---|---|---|---|---|---|
| 110 metri | TWU 4-0418-C | ||||||
| 100 metri | TWU 4-0418-C | TWU 4-0418-C | |||||
| 90 metri | TWU 4-0418-C | TWU 4-0418-C | TWU 4-0418-C | ||||
| 80 metri | TWU 4-0414-C | TWU 4-0418-C | TWU 4-0418-C | TWU 4-0418-C | |||
| 70 metri | TWU 4-0414-C | TWU 4-0414-C | TWU 4-0414-C | TWU 4-0418-C | TWU 4-0418-C | ||
| 60 metri | TWU 4-0414-C | TWU 4-0414-C | TWU 4-0414-C | TWU 4-0414-C | TWU 4-0418-C | ||
| 50 metri | TWU 4-0409-C | TWU 4-0414-C | TWU 4-0414-C | TWU 4-0414-C | TWU 4-0414-C | TWU 4-0418-C | TWU 4-0418-C |
| 40 metri | TWU 4-0409-C | TWU 4-0409-C | TWU 4-0409-C | TWU 4-0409-C | TWU 4-0414-C | TWU 4-0414-C | TWU 4-0418-C |
| 30 metri | TWU 4-0409-C | TWU 4-0409-C | TWU 4-0409-C | TWU 4-0409-C | TWU 4-0409-C | TWU 4-0414-C | TWU 4-0414-C |
| 20 metri | TWU 4-0409-C | TWU 4-0409-C | TWU 4-0409-C | TWU 4-0409-C | TWU 4-0409-C | TWU 4-0409-C |
Note: H represents the total head in meters, and Q represents the flow rate in cubic meters per hour. The colors in the table correspond to different pump models (e.g., light blue for TWU 4-0418-C, orange for TWU 4-0414-C, grey for TWU 4-0409-C).
3.3 Collegamento elettrico
Connect the pump to a suitable power supply according to the pump's specifications and local electrical codes. Ensure the voltage and frequency match the pump's requirements. A residual current device (RCD) with a tripping current of no more than 30 mA is recommended for additional safety.
3.4 collegamenti per tubi
Connect the discharge pipe to the pump outlet. Ensure all connections are watertight and free from leaks. Use appropriate sealing materials. The pipe diameter should be sufficient to minimize pressure loss.
4. Istruzioni per l'uso
4.1 Avvio iniziale
Before starting the pump, ensure it is fully submerged in water. Connect the power supply. The pump should start automatically if equipped with a float switch, or manually if controlled by an external switch. Monitor the pump for unusual noises or vibrations during the first few minutes of operation.
4.2 Funzionamento continuo
The Wilo SUB TWU 4 is designed for continuous operation within its specified performance range. Avoid operating the pump outside these limits to prevent premature wear or damage. Regularly check the water level to ensure the pump remains submerged.
4.3 Spegnimento
To shut down the pump, disconnect the power supply. If the pump is to be out of service for an extended period, follow the maintenance and storage guidelines.
5. Manutenzione
Regular maintenance ensures the longevity and reliable operation of your pump.
5.1 Controlli regolari
- Ispezionare il cavo di alimentazione per verificare la presenza di eventuali segni di danneggiamento o usura.
- Check the pump's intake for blockages from debris.
- Ensure all pipe connections remain secure and leak-free.
5.2 Pulizia
If the pump's performance decreases, it may be due to blockages. Disconnect power, remove the pump, and clean the intake screen and impeller area. Use clean water and a soft brush. Do not use harsh chemicals.
5.3 Rimessaggio invernale
If the pump is installed in an area subject to freezing temperatures and will not be used, it must be removed from the water and stored in a frost-free environment. Drain all water from the pump and pipes to prevent damage from ice expansion.
6. Risoluzione Dei Problemi
Prima di contattare l'assistenza clienti, riview i seguenti problemi comuni e le loro potenziali soluzioni:
| Problema | Possibile causa | Soluzione |
|---|---|---|
| La pompa non si avvia | No power supply; tripped circuit breaker; faulty float switch; motor fault. | Check power connection; reset breaker; inspect float switch; contact service. |
| Pump runs but no water delivery | Air in system; clogged intake/impeller; low water level; discharge pipe blockage. | Bleed air; clean intake/impeller; ensure pump is submerged; check discharge pipe. |
| Portata ridotta | Partial blockage; worn impeller; excessive head loss in piping. | Clean pump; inspect impeller; check pipe sizing and condition. |
| Rumore o vibrazioni eccessivi | Detriti nella pompa; cuscinetti usurati; installazione non corretta. | Clean pump; contact service for bearing replacement; verify stable installation. |
7. Specifiche
Key technical specifications for the Wilo SUB TWU 4 submersible pump, model TWU4-0409-C-EM:
- Marca: Villo
- Numero modello: TWU4-0409-C-EM (also referred to as 'sub twu 4')
- Stile: Sommergibile
- Energia: 0.75 kW
- Codice GTIN: 04044966515679
- Dimensioni della confezione: Dimensioni: 22.8 x 18.8 x 13 cm
- Peso dell'articolo: 1.21 kg
- Produttore: Villo
- Prima data disponibile: 16 maggio 2017
Note: For detailed performance curves and specific electrical data, refer to the official Wilo product documentation or contact Wilo technical support.
8. Garanzia e supporto
For warranty information, please refer to the warranty card included with your product or visit the official Wilo website. Technical support and spare parts can be obtained through authorized Wilo dealers or directly from Wilo customer service. Please have your model number (TWU4-0409-C-EM) and purchase date available when contacting support.
