1. Uvod
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. Varnostne informacije
Splošna varnostna opozorila:
- Always disconnect the power supply before performing any work on the pump or its electrical components.
- Namestitev in vzdrževanje naj izvaja samo usposobljeno osebje v skladu z lokalnimi predpisi in standardi.
- Ensure the pump is correctly grounded to prevent electrical shock.
- Do not operate the pump dry. Running without water will cause severe damage.
- Črpalko zaščitite pred zmrzaljo.
- Use only genuine Wilo spare parts for repairs.
3. Nastavitev in namestitev
3.1 Razpakiranje
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 | 2.5 do 3 m³/h | 3 do 3.5 m³/h | 3.5 do 4 m³/h | 4 do 4.5 m³/h | 4.5 do 5 m³/h | 5 do 5.5 m³/h |
|---|---|---|---|---|---|---|---|
| 110 m | TWU 4-0418-C | ||||||
| 100 m | TWU 4-0418-C | TWU 4-0418-C | |||||
| 90 m | TWU 4-0418-C | TWU 4-0418-C | TWU 4-0418-C | ||||
| 80 m | TWU 4-0414-C | TWU 4-0418-C | TWU 4-0418-C | TWU 4-0418-C | |||
| 70 m | TWU 4-0414-C | TWU 4-0414-C | TWU 4-0414-C | TWU 4-0418-C | TWU 4-0418-C | ||
| 60 m | TWU 4-0414-C | TWU 4-0414-C | TWU 4-0414-C | TWU 4-0414-C | TWU 4-0418-C | ||
| 50 m | 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 m | 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 m | 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 m | 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 Električna povezava
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 Priključek cevi
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. Navodila za uporabo
4.1 Prvi zagon
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 Neprekinjeno delovanje
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 Zaustavitev
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. Vzdrževanje
Regular maintenance ensures the longevity and reliable operation of your pump.
5.1 Redni pregledi
- Preverite napajalni kabel glede morebitnih znakov poškodb ali obrabe.
- Check the pump's intake for blockages from debris.
- Ensure all pipe connections remain secure and leak-free.
5.2 Čiščenje
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 Prezimovanje
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. Odpravljanje težav
Preden se obrnete na podporo strankam, ponovnoview naslednje pogoste težave in njihove možne rešitve:
| Težava | Možen vzrok | rešitev |
|---|---|---|
| Črpalka se ne zažene | 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. |
| Zmanjšan pretok | Partial blockage; worn impeller; excessive head loss in piping. | Clean pump; inspect impeller; check pipe sizing and condition. |
| Prekomerni hrup ali tresljaji | Debris in pump; worn bearings; improper installation. | Clean pump; contact service for bearing replacement; verify stable installation. |
7. Specifikacije
Key technical specifications for the Wilo SUB TWU 4 submersible pump, model TWU4-0409-C-EM:
- Znamka: Wilo
- Številka modela: TWU4-0409-C-EM (also referred to as 'sub twu 4')
- slog: Potopna
- moč: 0.75KW
- GTIN: 04044966515679
- Dimenzije paketa: 22.8 x 18.8 x 13 cm
- Teža artikla: 1.21 kg
- Proizvajalec: Wilo
- Prvi razpoložljivi datum: 16. maj 2017
Note: For detailed performance curves and specific electrical data, refer to the official Wilo product documentation or contact Wilo technical support.
8. Garancija in podpora
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.