1. Uvod
This manual provides detailed instructions for the installation, operation, and maintenance of your Star 1/2 HP Submersible Well Pump Control Box, Model 127189A. Please read this manual thoroughly before installation and use to ensure safe and efficient operation. This control box is designed for use with 1/2 HP submersible well pumps operating at 230 Volts and is suitable for both outdoor and indoor installations.
2. Sigurnosne informacije
WARNING: DISCONNECT POWER BEFORE OPENING. DANGER OF ELECTRIC SHOCK.
Uvijek se pridržavajte sljedećih sigurnosnih mjera opreza kako biste smanjili rizik od strujnog udara, ozljeda ili požara:
- Installation and servicing must be performed by a qualified electrician or authorized service personnel in accordance with all local and national electrical codes.
- Ensure the main power supply to the pump system is disconnected and locked out before attempting any installation, maintenance, or troubleshooting.
- Proverite da li je voltage and horsepower ratings of the control box match those of your submersible well pump.
- Do not operate the control box if it is damaged or has exposed wiring.
- Ovaj proizvod sadrži hemikalije za koje je država Kalifornija utvrdila da uzrokuju rak i urođene mane ili druge reproduktivne štete (upozorenje iz Prijedloga 65). Operite ruke nakon rukovanja.
3. Značajke proizvoda
The Star 1/2 HP Submersible Well Pump Control Box, Model 127189A, offers the following key features:
- Designed for 1/2 HP submersible well pumps.
- Operates on 230 Volt electrical systems.
- Suitable for both outdoor and indoor installations.
- Features a heavy-duty terminal block for secure electrical connections.
- Equipped with side and bottom knockouts for convenient wire installation.
- Interchangeable with many industry-standard control boxes.
- Incorporates a universal voltage relay for reliable performance.

Slika 1: Prednja strana view of the Star 1/2 HP Submersible Well Pump Control Box, Model 127189A, showing the warning label and model information.
4. Postavljanje i instalacija
Proper installation is critical for the safe and efficient operation of your well pump system. It is highly recommended that installation be performed by a qualified professional.
- Isključivanje struje: Before beginning any work, ensure that all power to the well pump circuit is completely disconnected at the main breaker panel. Verify with a voltage tester.
- Montaža: Mount the control box securely to a wall or suitable surface using appropriate fasteners. Ensure the mounting location is protected from direct weather exposure if installed outdoors, or in a dry, accessible location if indoors.
- Priprema žice: Use the side or bottom knockouts to route the electrical conduits and wires into the control box. Ensure all wiring complies with local electrical codes.
- Ožičenje: Connect the pump motor wires, power supply wires, and ground wire to the heavy-duty terminal block inside the control box. Refer to the wiring diagram provided with your specific well pump for correct terminal assignments. Ensure all connections are tight and secure.
- Zatvaranje ograđenog prostora: Once all connections are made and verified, securely close the control box cover.
- Obnova napajanja: Restore power to the circuit and test the pump operation.
5. Uputstvo za upotrebu
The Star 1/2 HP Submersible Well Pump Control Box is designed for automatic operation in conjunction with your well pump and pressure switch (or other control device). Once properly installed and powered, the control box will manage the electrical supply to the pump based on the signals received from the system's pressure switch or other controlling mechanisms.
- Ensure the control box cover is always securely closed during operation.
- Monitor the pump system for normal operation. Unusual noises or lack of water flow may indicate a problem.
6. Održavanje
Regular maintenance helps ensure the longevity and reliable performance of your control box and well pump system.
- Godišnja inspekcija: At least once a year, with the power disconnected, inspect the control box for any signs of corrosion, loose connections, or damaged wiring.
- čistoća: Keep the exterior of the control box clean and free from dust, dirt, and debris.
- ventilacija: Ensure that any ventilation openings (if present) are not obstructed to prevent overheating.
- Profesionalna provjera: Consider having a qualified technician perform a comprehensive check of your well pump system, including the control box, every few years.
7. Otkrivanje problema
If your well pump system is not functioning correctly, consider the following troubleshooting steps. Always disconnect power before inspecting the control box.
- Pumpa se ne pokreće:
- Check the main circuit breaker for the pump system.
- Verify that the pressure switch is functioning correctly and calling for water.
- Inspect wiring connections inside the control box for looseness or corrosion (with power off).
- Često bicikliranje:
- This may indicate a problem with the pressure tank, a leak in the system, or a faulty pressure switch, rather than the control box itself.
- No Power to Control Box:
- Provjerite glavni dovod napajanja i osigurač.
If these steps do not resolve the issue, contact a qualified pump technician for further diagnosis and repair.
8. Specifikacije
| Broj modela | 127189A |
| Horsepower | 0.50 HP |
| Voltage | 230 Volts |
| Wattage | 1380 Watts |
| Težina artikla | 2.84 funte |
| Dimenzije proizvoda | 6 x 5 x 10 inča |
| Stil | Potopno |
| Proizvođač | Standard Plumbing Supply |
9. Garancija i podrška
For warranty information and technical support, please refer to the documentation provided at the time of purchase or contact Star Water Systems directly. You can also visit the Star Store on Amazon za dodatne informacije o proizvodu i resurse.





