1. Кіріспе
This manual provides essential information for the safe and efficient installation, operation, and maintenance of the Wilo 4105032 Star S 21F Three Speed Wet Rotor Hydronic Circulating Pump. This pump is designed for use in hot-water heating systems, industrial circulation systems, cold-water systems, and air-conditioning systems. It is not approved for use with domestic hot water. The pump features a bronze volute and a wet rotor design.
2. Қауіпсіздік туралы ақпарат
Please read and understand all safety instructions before installing or operating the pump. Failure to follow these instructions may result in personal injury, property damage, or electric shock.
- Электр қауіпсіздігі: Ensure the power supply is disconnected before any installation or maintenance work. All electrical connections must be performed by a qualified electrician in accordance with local and national electrical codes. The pump operates on 115-Volt, 60Hz power.
- Қысым қауіпсіздігі: The maximum working pressure for this pump is 145 PSI. Do not exceed this pressure.
- Температура қауіпсіздігі: The pump is designed for a temperature range of 14°F to 230°F. Ensure system temperatures remain within this range.
- Орнату: The pump can be installed in any position where the shaft is horizontal. Improper installation can lead to malfunction or damage.
- Жалпы: Do not operate the pump dry. Ensure the system is filled with fluid before starting.
3. Өнім аяқталдыview
The Wilo Star S 21F is a three-speed circulating pump designed for hydronic systems. It features a robust construction and a user-selectable speed setting to optimize performance and energy consumption.

Негізгі компоненттер:
- Сорғы корпусы: Green-colored body, typically bronze volute.
- Қозғалтқыш: Wet rotor design, 115-Volt, 60Hz.
- Жылдамдықты таңдау қосқышы: Red rotary switch on the electrical box for selecting one of three speeds.
- Electrical Connection Box: Black enclosure for wiring connections.
- Flange Connections: Standard connections for system integration.
4. Орнату және орнату
Сорғының өнімділігі мен ұзақ қызмет етуі үшін дұрыс орнату өте маңызды.
- Жүйені дайындау: Ensure the heating or cooling system is drained and clean before installation.
- Орнату орны: The pump can be installed in any position, provided the motor shaft remains horizontal. This is critical for proper lubrication and cooling of the wet rotor.
- Құбырлардың қосылымдары: The pump uses 3/4-inch to 1-1/2-inch standard flanges. Use appropriate gaskets (typically supplied with the pump) and ensure a watertight seal. Avoid overtightening the flange bolts.
- Электр сымдары:
- Disconnect power at the main breaker before beginning any wiring.
- Open the electrical connection box.
- The pump features quick and easy wire connectors. To insert wires, displace the white tabs 90 degrees to open the holes. Insert the stripped wires and then return the tabs to their original position to secure the connection.
- Connect the pump to a dedicated 115-Volt, 60Hz circuit. Ensure proper grounding.
- Close the electrical connection box securely.
- Жүйені толтыру: After installation, slowly fill the system with fluid, ensuring all air is purged from the pump and piping. Air in the system can cause noise and damage to the pump.
5. Пайдалану нұсқаулары
The Wilo Star S 21F pump offers three selectable speeds to match system requirements.
- Қуат қосулы: Once the pump is installed and the system is filled, restore power to the circuit.
- Жылдамдықты таңдау: Locate the red rotary switch on the electrical connection box. This switch allows you to select one of three operating speeds:
- Speed 1 (Eco): Lowest power consumption (55W), suitable for minimal flow requirements.
- 2 -жылдамдық: Medium power consumption (77W), for moderate flow.
- Speed 3 (Max): Highest power consumption (98W), for maximum flow and head.
- Бақылау: Observe the system for proper circulation and listen for any unusual noises.
6. Техникалық қызмет көрсету
The Wilo Star S 21F is designed for minimal maintenance. However, periodic checks can ensure optimal performance and extend its lifespan.
- Жылдық тексеру: Annually inspect the pump for any signs of leaks, corrosion, or unusual wear.
- System Fluid Quality: Ensure the system fluid is clean and free of debris. Contaminants can reduce pump efficiency and lifespan.
- Электр қосылымдары: Periodically check electrical connections for tightness and signs of overheating. Disconnect power before checking.
- Ауаны тазарту: If the pump becomes noisy, it may indicate air in the system. Follow system-specific procedures to purge air.
7. Ақаулықтарды жою
Жалпы мәселелер және олардың ықтимал шешімдері үшін төмендегі кестені қараңыз.
| Мәселе | Ықтимал себебі | Шешім |
|---|---|---|
| Сорғы іске қосылмайды | No power; faulty wiring; seized impeller | Check power supply and circuit breaker. Verify electrical connections. Consult a qualified technician if impeller is seized. |
| Сорғы шулы | Air in system; cavitation; foreign object in pump | Purge air from the system. Check system pressure. Inspect pump for obstructions (disconnect power first). |
| Ағын жеткіліксіз | Incorrect speed setting; air in system; clogged filter; undersized pump | Increase speed setting. Purge air. Check and clean system filters. Verify pump sizing for application. |
| Сорғы ағып жатыр | Loose connections; damaged gaskets; cracked housing | Tighten flange connections. Replace damaged gaskets. If housing is cracked, pump replacement may be necessary. |
8. Техникалық сипаттамалар
| Техникалық сипаттама | Мән |
|---|---|
| Бренд | Wilo |
| Үлгі нөмірі | 4105032 (Typ Star S 21 FX) |
| Тtage | 115 вольт |
| Жиілік | 60 Гц |
| Maximum Current (I max) | 0.70 А |
| Қуат тұтынуы (Вт) | Speed 3: 98W, Speed 2: 77W, Speed 1: 55W |
| Максималды ағын жылдамдығы | Минутына 21 галлон |
| Максималды көтеру биіктігі (бас) | 21 фут |
| Температура диапазоны | 14°F пен 230°F (-10°C және 110°C) |
| Максималды жұмыс қысымы | 145 PSI |
| Материал | Stainless Steel (shaft), Bronze (volute) |
| Элемент салмағы | 7.08 фунт (3.22 кг) |
| Фланец өлшемі | 3/4-Inch - 1-1/2-Inch standard flange |
| Қоршау класы | CSA enclosure 2 |
| Оқшаулау класы | F сыныбы |
9. Кепілдік және қолдау
Wilo provides a 3-year limited warranty from the date of purchase for Residential Business Services products. For warranty claims, technical support, or further assistance, please contact Wilo customer service or your authorized dealer.