Features & Benefits

• • High-Efficiency Circulator: Wilo-Para pump with energy-saving pump speed control.
  
  
• • Three Control Modes: Variable differential pressure, constant differential pressure and constant speed, each with three pump curves.
  
  
• • UFH Ready: Constant differential pressure mode is recommended for underfloor heating.
  
  
• • Venting Function: Built-in pump venting, manual restart and key lock.
  
  
• • LED Display: Shows the selected mode, pump curve and any fault.
  
  

Applications

• • UFH Pump & Mixing Sets: For circulating water through the manifold and circuits.
  
  
• • Hot-Water Heating Systems: For heating water and water-glycol mixtures with up to 50% glycol.
  
  

Installation Guidance

• • Preparation: Isolate and depressurise the system before fitting or replacing components.
  
  
• • Electrical Safety: Electrical work must be carried out by an authorised electrician, in line with current wiring regulations.
  
  
• • Commissioning: Use the pump venting function to remove air, then select the control mode and pump curve to suit the system.
  
  
• • Testing: Refill, vent and check all joints for leaks after installation.
  
  

Compliance & Performance

• • Power Supply: 1~230V, 50/60Hz.
  
  
• • Protection Class: IPX4D.
  
  
• • Fluid Temperature: -20 to +95 degrees Celsius (heating).
  
  
• • Max Operating Pressure: 10 bar.
  
  
• • Installation Length: 130mm port-to-port.