Wilo-Star-ZD
Series description
Your advantages
- Twin-head pump for single or parallel operation
- Suitable for every installation position with horizontal shaft; terminal box in 3-6-9-12 o'clock position
- Internal bypass circulation, which prevents Legionella growth in the standby unit
- Increased reliability in individual operation due to the constant availability of a standby unit ready for operation
Construction
Glandless twin-head circulator with screwed connection; preselectable speed stages for power adjustment
Application
Domestic hot water circulation systems in the industry and building services.
Equipment/function
Operating modes
- Speed-stage switching
Manual functions
- Setting the speed stages (3 speed stages)
Equipment
- Double switchover valve in pump housing
- Cable inlet in possible on both sides
- Internal bypass
- Quick connection with spring clips
- Blocking-current proof motor
Scope of delivery
- Pump
- Gaskets
- Installation and operating instructions
Type key
Example: | Wilo-Star-ZD 25/6 |
Star-ZD | Twin-head circulator for domestic hot water |
25/ | Nominal connection diameter |
6 | Nominal delivery head [m] at Q = 0 m³/h |
Technical data
- 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 1
- Max. operating pressure 10 bar
Materials
- Pump housing: Bronze
- Impeller: Plastic
- Shaft: Ceramic
- Bearing: Carbon, synthetic resin-impregnated
