Wilo 4190420
Wilo Star S 33 FC Circulating Pump User Manual
ماډل: 4190420
1. پیژندنه
The Wilo Star S 33 FC 4190420 is a three-speed hydronic radiant floor circulating pump designed for efficient water circulation in various heating applications. Its robust cast iron housing and built-in motor protection ensure long life and reliable performance. This pump is suitable for closed-loop radiant heating, snow melting systems, baseboard, radiator, and fan coil heating applications.
کلیدي ځانګړتیاوې عبارت دي له:
- Fixed flanges for secure installation.
- Cast iron housing with built-in motor protection.
- Versatile application across radiant heating, hydronic heating, fan coil heating, and solar systems.
- Whisper-quiet operation, ideal for sound-sensitive environments.
- Includes two gaskets (O-rings) and a removable check-valve.
- UL/CSA listed for safety and compliance.
2. د خوندیتوب معلومات
خبرداری: To reduce the risk of electric shock, consult the instruction manual for proper installation and operation. Always disconnect power before servicing the pump.
احتیاط: The pump surface can become ګرم during operation. Avoid direct contact to prevent burns. Allow the pump to cool before handling or performing maintenance.
- ډاډ ترلاسه کړئ چې ټول بریښنایی اړیکې د ځایی کوډونو او مقرراتو سره مطابقت لري.
- دا پمپ یوازې د کور دننه کارونې لپاره ډیزاین شوی.
- د اوبو پرته پمپ مه چلوئ.
- یوازې وړ پرسونل باید نصب او ساتنه ترسره کړي.
3. محصول ختم شوview او اجزا

Figure 1: Wilo Star S 33 FC Circulating Pump. This image shows the main body of the pump, its electrical connection box, and the speed selection dial. The green cast iron housing is visible, along with the product label detailing specifications and warnings.
The Wilo Star S 33 FC pump consists of several key components:
- Cast Iron Housing: The main green body of the pump, providing durability and heat dissipation.
- موټروان: Integrated within the housing, providing the power for circulation.
- د سرعت انتخاب ډایل: Located on the front label, allowing selection between three speeds (1, 2, 3) and an "eco" mode.
- Electrical Connection Box: Black box on the side for power input.
- Fixed Flanges: Connection points for plumbing lines.
- Built-in Removable Check Valve: Helps prevent backflow in the system.
4. نصب او تنظیم کول
Proper installation is crucial for the pump's performance and longevity. Refer to local plumbing and electrical codes.
- پورته کول: Securely mount the pump using its fixed flanges in the designated location within your hydronic system. Ensure the pump is installed in a horizontal position with the motor shaft horizontal to prevent air pockets.
- د نلدوانۍ اړیکې: Connect the system piping to the pump's flanges. Use the provided gaskets (O-rings) to ensure a watertight seal. Avoid overtightening connections.
- بریښنایی تارونه:
- Ensure the power supply is disconnected before wiring.
- Connect the pump to a 115-Volt (AC), 60Hz power supply. The pump draws a maximum of 1.5A.
- Follow the wiring diagram provided inside the electrical connection box.
- د بریښنایی خطرونو د مخنیوي لپاره مناسب ځمکني کول ډاډمن کړئ.
- System Filling and Purging: After installation, fill the hydronic system with water and thoroughly purge any air from the system. Air in the system can cause noise and reduce pump efficiency.
5. عملیاتي لارښوونې
The Wilo Star S 33 FC features a three-speed motor, allowing you to adjust the pump's performance to match your system's requirements.
- پاور آن: Once installed and the system is filled, restore power to the pump.
- د سرعت انتخاب: Locate the speed selection dial on the front of the pump (refer to Figure 1). The dial has settings for "max", "3", "2", "1", and "eco".
- Speed 3 (Max): Provides the highest flow rate and pressure. Power consumption is approximately 202W.
- سرعت 2: Medium flow rate and pressure. Power consumption is approximately 143W.
- سرعت ۱ (ایکو): Lowest flow rate and pressure, designed for energy efficiency. Power consumption is approximately 98W.
- والو چیک کړئ: The built-in check valve can be removed if not required by your system design. Consult your HVAC professional if unsure.
6. ساتنه
The Wilo Star S 33 FC pump is designed for minimal maintenance. However, periodic checks can ensure optimal performance and extend its lifespan.
- کلنۍ معاینه: Annually inspect the pump for any signs of leaks, corrosion, or unusual noises.
- د اوبو د سیسټم کیفیت: Ensure the hydronic system water quality is maintained according to industry standards to prevent scale buildup and corrosion within the pump and piping.
- پاکول: Keep the exterior of the pump clean and free from dust and debris to ensure proper heat dissipation.
- ژمی کول: If the system is shut down for an extended period in freezing temperatures, ensure the pump and system are properly drained to prevent freeze damage.
7. ستونزه حل کول
د عامو ستونزو او د هغوی د احتمالي حل لارو لپاره لاندې جدول ته مراجعه وکړئ.
| ستونزه | احتمالي لامل | د حل لاره |
|---|---|---|
| پمپ پیل نه کوي | No power supply; Motor overload; Impeller jammed. | Check power connection and circuit breaker; Allow motor to cool; Disconnect power and check for obstructions in impeller. |
| ناکافي جریان | Air in system; Incorrect speed setting; Clogged filter/piping. | Purge air from system; Increase speed setting; Check and clean filters or piping. |
| شورماشور عملیات | Air in system; Cavitation; Loose mounting. | Purge air from system; Ensure adequate system pressure; Check mounting bolts for tightness. |
| د پمپ لیک | Loose connections; Damaged gaskets/seals. | Tighten connections; Replace gaskets or seals. |
If the problem persists after attempting these solutions, contact a qualified service technician or Wilo customer support.
8. مشخصات
| صفت | تفصیل |
|---|---|
| د ماډل شمیره | 4190420 |
| برانډ | ویلو |
| مواد | کاسټ اوسپنه |
| والیtage | 115 وولټ (AC) |
| فریکونسی | 60 Hz |
| اعظمي اوسنی رسم | 1.5 Amps |
| Power Consumption (Speed 3) | 202 واټ |
| Power Consumption (Speed 2) | 143 واټ |
| Power Consumption (Speed 1/Eco) | 98 واټ |
| د توکي وزن | ۷.۹۶ پونډه (۳.۶۲ کیلوګرامه) |
| د کڅوړې ابعاد | 7.4 x 7.24 x 5.12 انچه |
| د تړلو ټولګي | CSA enclosure 2 |
| د موصلیت ټولګي | ټولګي F |
| مکس د اوبو د حرارت درجه | 230°F (110°C) |
| Max. کاري فشار | 145 PSI (10 بار) |
| تصدیقونه | UL/CSA لیست شوی |
9. تضمین او ملاتړ
Wilo products are manufactured to high standards and come with a manufacturer's warranty. For specific warranty terms and conditions, please refer to the documentation included with your purchase or visit the official Wilo webسایټ
For technical support, troubleshooting assistance, or to inquire about replacement parts, please contact Wilo customer service. Contact information can typically be found on the Wilo webسایټ یا ستاسو د پیرود رسید کې.
Wilo Official Webسایټ: www.wilo.com
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.