Wilo Star S 33 FC Circulating Pump User Manual

1. Introducció

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.

Les característiques clau inclouen:

• 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. Informació de seguretat

ADVERTIMENT: To reduce the risk of electric shock, consult the instruction manual for proper installation and operation. Always disconnect power before servicing the pump.

PRECAUCIÓ: The pump surface can become CALOR during operation. Avoid direct contact to prevent burns. Allow the pump to cool before handling or performing maintenance.

• Assegureu-vos que totes les connexions elèctriques compleixin els codis i les normatives locals.
• This pump is designed for indoor use only.
• No feu funcionar la bomba sense aigua.
• Només personal qualificat ha de fer la instal·lació i el manteniment.

3. Producte acabatview i Components

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.
• Motor: Integrated within the housing, providing the power for circulation.
• Speed Selection Dial: 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. Instal·lació i configuració

Proper installation is crucial for the pump's performance and longevity. Refer to local plumbing and electrical codes.

1. Muntatge: 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.
2. Connexions de fontaneria: Connect the system piping to the pump's flanges. Use the provided gaskets (O-rings) to ensure a watertight seal. Avoid overtightening connections.
3. Cablejat elèctric:
   • 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.
   • Assegureu-vos una correcta connexió a terra per evitar riscos elèctrics.
4. 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. Instruccions de funcionament

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.

1. Encès: Once installed and the system is filled, restore power to the pump.
2. Selecció de velocitat: 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.
   • Velocitat 2: Medium flow rate and pressure. Power consumption is approximately 143W.
   • Velocitat 1 (Eco): Lowest flow rate and pressure, designed for energy efficiency. Power consumption is approximately 98W.
   Rotate the dial to select the desired speed setting. The optimal speed depends on your specific heating system's design and heat load requirements. Start with a lower speed and increase if insufficient circulation is observed.
3. Vàlvula de retenció: The built-in check valve can be removed if not required by your system design. Consult your HVAC professional if unsure.

6. Manteniment

The Wilo Star S 33 FC pump is designed for minimal maintenance. However, periodic checks can ensure optimal performance and extend its lifespan.

• Inspecció anual: Annually inspect the pump for any signs of leaks, corrosion, or unusual noises.
• Qualitat de l'aigua del sistema: Ensure the hydronic system water quality is maintained according to industry standards to prevent scale buildup and corrosion within the pump and piping.
• Neteja: Mantingueu l'exterior de la bomba net i lliure de pols i deixalles per garantir una correcta dissipació de la calor.
• Hivernització: 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. Solució De Problemes

Consulteu la taula següent per veure els problemes habituals i les seves possibles solucions.

If the problem persists after attempting these solutions, contact a qualified service technician or Wilo customer support.

8. Especificacions

9. Garantia i Suport

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 weblloc.

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 weblloc web o al rebut de compra.

Wilo Official Weblloc: www.wilo.com