STAR-Z
Design
Glandless circulation pump with threaded connection
Application
Potable water circulation systems in industry and building services.
Ce circulateur convient seulement pour l'eau potable.
| |
| Type Key |
| Example |
Wilo-Star-Z 20/1Wilo-Star-Z 15 TT |
| Star |
Standard pump |
| Z |
Circulation pump |
| 20/ |
Nominal connection diameter |
| 1 |
Nominal delivery head [m] |
| TT |
with built-in time switch and temperature control (only Z 15 TT) |
| EM |
AC motor (1~) |
| DM |
Three phase motor (3~) |
| -3 |
3 speed stages |
Special Features/Product Advantages
- AC pumps with electrical quick connection
- All plastic parts that come into contact with the fluid fulfil KTW recommendations
- Thermal insulation as standard for Star‐Z 15 TT.
- Star-Z 15 TT with integrated timer and thermostat, LC display with symbolic language, red button technology and automatic detection of the thermal disinfection of the warm secondary hot water tank, as well as ball shut-off valve on the suction side and non-return valve on the pressure side.
Technical Data
- Constant speed or, for Star‐Z...-3, three selectable speed stages
- Fluid temperature:
- Potable water up to 3.21 mmol/l (18 °dH): max. +65°C, in short-term operation (2 h) up to +70°C
- Mains connection 1~230 V, 50 Hz or, for Star‐Z 25/2 DM, 3~400 V, 50 Hz
- Protection class IP 44 (IP 42 for Star-Z 15 TT)
- Nominal diameter Rp ½, Rp 1
- Max. operating pressure 10 bar
