This circulator is suitable only for drinking water.
Domestic hot water circulator, glandless pump with manual three-stage variable speed control for pipe installation.
Blocking-current proof motor. Pump housing made of bronze, impeller made of fibreglass-reinforced plastic, ceramic shaft with resin-impregnated carbon friction bearings.
Operating Data
Fluid media: Water 100 %
Fluid temperature: 20.00 °C
Requested flow:
Requested head:
Max. fluid temperature: 65 °C
Min. fluid temperature: 2 °C
Min. ambient temperature: 0 °C
Max. ambient temperature: 40 °C
Temperature range for applications in domestic hot water circulation systems at ambient temperature of +40 °C in short-time duty 4 h:
Temperature range at max. ambient temperature +40 °C: +2…+65
Maximum operating pressure: 10 bar
Max. permitted total water hardness: 3.21 mmol/l (18°dH)
Motor data
Emitted interference: EN 61000-6-3
Interference resistance: EN 61000-6-2
Mains connection: 1~230V/50 Hz
Power consumption: 93 W
Max. speed: 1,900 1/min
Rated current: 0.4 A
Protection class motor: IP44
Threaded cable connection: 1 x PG11
Materials
Pump housing: Bronze, CC499K
Impeller: PPE-GF30
Shaft: Oxide ceramic
Bearing: Carbon, synthetic resin-impregnated
Installation dimensions
Pipe connection on the suction side: G 1¼, PN 10
Pipe connection on the discharge side: G 1¼, PN 10
Port-to-port length: 150 mm
Ordering information
Brand: Wilo
Product description: STAR-Z 20/5-3(150mm)
Net weight, approx.: 2.4 kg
Article number: 4081198
