Each pump can be operated in single operation (main/standby operation). To enable automatic exchange of pumps in the event of a blockage, an appropriate switchgear is required on site.

 

Standard with:

• Preselectable control modes for optimal load matching: ?p-c (constant differential pressure), ?p-v (variable differential pressure)
• 3 speed stages (n = constant)
• LED indicator for setpoint setting and error message display
• Electrical connection with Wilo connector
• Error signal and contact for cumulative block signal
  
   

Hydraulic data:

• Maximum operating pressure PN 10 bar
• Head H max 0.0 m
• Flow Q max 24.3 m³/h
• Minimum inlet height at 50 °C 7 m
• Minimum inlet height at 95 °C 15 m
• Minimum inlet height at 110 °C 23 m
• Fluid temperature min. Tmin -20 °C
• Max. fluid temperature Tmax 110 °C
• Min ambient temperature. Tmin -20 °C
• Ambient temperature max. Tmax 40 °C
  
   

Motor data:

• IEE energy efficiency index 0.23
• Mains power supply 1~230 V ±10%, 50/60 Hz
• Rated current IN 0.27 A
• Rated current IN 3.5 A
• Rated power P2 650 W
• Min. speed nmin 800 1/min
• Max speed nmax 3500 1/min
• Power consumption (min) P1 min 30 W
• Power consumption P1 max 800 W
• Electromagnetic noise emission EN 61800-3;2004+A1;2012 / residential environment (C1)
• Interference immunity EN 61800-3;2004+A1;2012 / industrial environment (C2)
• Cable gland 2 x M20x1.5
• Insulation class F
• Degree of protection IPX4D
  
   

Mounting dimension:

• Pipe fitting on the pressure side DN 40
• Pipe connection on the suction side DN 40
• Construction length l0 250 mm
  
   

Materials:

• Pump body Grey cast iron
• Impeller EPP/PS-GF30
• Shaft Stainless steel
• Bearing material Metal-impregnated carbon