Wilo-Star-Z
Series description
Your 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/function
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
- 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
Duty chart
Wilo-Star-Z
