Grundfos JP Booster PT - 8 Operation and Maintenance; 9 Frost Protection; 10 Technical Data

English (GB)
12
8. Operation and maintenance
9. Frost protection
If there is a risk of frost, the tank and pump must be
drained.
10. Technical data
Ambient temperature
Maximum +40 °C.
Storage temperature
Minimum -20 °C.
Maximum +70 °C.
Liquid temperature
+40 °C.
System pressure
Maximum 6 bar.
Inlet pressure
At inlet pressures above 1.5 bar the discharge
pressure must be at least 2.5 bar.
Supply voltage
1 x 220-240 V, 50 Hz.
3 x 220-240/380-415 V, 50 Hz.
Insulation class
F.
Enclosure class
IP44.
Relative air humidity
Maximum 95 %.
Sound power level
The sound power level of the pump is lower than
72 dB(A).
Start/stop frequency
Maximum 100 per hour.
Warning
Prior to start-up, the system should be
flushed through with clean water and
drained to remove possible impurities.
Caution
Do not cover the motor of the booster
system as an adequate supply of cool
air must reach the motor cooling fan.