Wilo Star-Z 20/5 EM Instrucciones De Instalación Y Funcionamiento página 35

5.2 Technical data
Connection voltage
Protection class IP
Motor speed
Water temperature at
max. ambient temperature +40 °C
Max. ambient temperature
Max. operating pressure
Minimum inlet pressure
at +40 °C/+65 °C
Variable speed control
1)
The values apply up to 300 m above sea level; addition for higher locations:
0.01 bar/100 m increase in altitude. To prevent cavitation noises, be sure
to maintain the minimum inlet pressure at the suction port of the pump.
2)
For Star-ZD double pumps, a switchgear is required in addition for time-dependent
main/standby or parallel/peak-load operation.
5.3 Scope of delivery
• Complete circulation pump
• 2 flat gaskets
• Installation and operating instructions
5.4 Accessories
Accessories must be ordered separately:
• Thermal insulation shell (for single pumps only)
• Screwed connections
• S1R-h plug-in module
See catalogue for a detailed list
Installation and operating instructions Wilo-Star-Z/-ZD
1)
2)
1 ~ 230 V ±10%, 50 Hz
1 ~ 220/230 V ±6%, 60 Hz
See rating plate
See rating plate
+2 °C to +65 °C
+40 °C
10 bar (1000 kPa)
0.05 bar/0.2 bar
(5 kPa/20 kPa)
3 stages
English
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