Operation; Normal Operation; Dry Running; Frost Protection - Grundfos PRESSCONTROL PC 15 Instructions D'installation Et D'utilisation

6. Operation

6.1 Normal operation

Step Action
1 Open a tap.
The unit starts the pump.
2 The pump runs as long as water
is consumed.
3 Close the tap.
The unit stops the pump at maximum
4
pump pressure.
5 The unit is ready for operation.
In case of minor system leakages, the pump starts.
Note: In case of a supply failure, the pump restarts
automatically when the supply has been restored.

7. Technical data

Data
Supply voltage
Ambient temperature
Maximum liquid temperature
Cut-in pressure*
Maximum system pressure
Contact load
Enclosure class
Dimensions
* The technical data may be limited by the pump data. See installation and operating instructions for
the pump.
8

6.2 Dry running

Step
1
2
3

6.3 Frost protection

If the unit is not being used during periods of frost,
the unit and the pipework must be drained.
The unit has no drain hole and has to be removed for
drainage.
EC
1 x 230 V ±10 %, 50/60 Hz
+65 °C
+60 °C
EC 15: 1.5 bar
EC 22: 2.2 bar
1 MPa (10 bar)
6 A
IP 65
See fig. A, page 77
Action
Dry running!
The unit stops the pump after approx.
10 seconds.
PC/MC: The red indicator light illuminates.
EC: No indicator light.
Water flow!
Press Reset/Restart.
The unit is ready for operation.
PC
+65 °C
+65 °C
PC 15: 1.5 bar MC 15: 1.5 bar
PC 22: 2.2 bar MC 22: 2.2 bar
1 MPa (10 bar) 1 MPa (10 bar)
8 A
IP 65
MC
+65 °C
+65 °C
16 A
IP 65