STAR-Z is a High efficiency premium circular pump.
Advantages
- AC pumps with electrical quick connection
- All plastic parts that come into contact with the fluid fulfil KTW recommendations
Construction
Glandless circulator with screwed connection.
Application
Domestic hot water circulation systems in the industry and building services.
Equipment
Operating modes
Speed stage switching (Star-Z...-3 only)
Manual functions
Setting of the speed stages (1 speed stage, 3 speed stages with Star-Z...-3 pumps)
Equipment
Wrench attachment point on the pump body (Star-Z 25 only)
Cable inlet in possible on both sides
Quick connection with spring clips
Blocking-current proof motor
Scope of delivery
- Pump
- Gaskets for threaded connection
- Installation and operating instructions
Type Key
Example: Wilo-Star-Z 20/1
Star - Standard pump
Z - Circulator
20/ - nominal connection diameter
1 - Nominal delivery head [m]
-3 - 3 speed stages
Technical data
- Constant speed or, for Star-Z...-3, three selectable speed stages
- Fluid temperature: Drinking water up to 3.21 mmol/l (18 °dH): max. +65 °C, in short-time duty (2 h) up to +70 °C
- Mains connection 1~230 V, 50 Hz
- Protection class IP44
- Nominal diameter Rp ½ (¾), Rp 1
- Max. operating pressure 10 bar
Materials
- Pump housing: bronze
- Impeller: Plastic
- Shaft: oxide ceramic
- Bearing: Carbon, synthetic resin-impregnated