Commissioning Starting The Heat Pump - Viessmann Vitocal 300-G Dismantling Instructions

Starting the heat pump
Front of the heat pump control unit
D
External control
Flow temperature
A B
Fig. 23
Fault indicator (red)
A
ON indicator (green)
B
ON/OFF switch
C
1. Switch ON the power supply, e.g. at a separate
fuse or a mains isolator.
2. Turn on the ON/OFF switch
control unit.
3. Set the date and time if necessary.
The standard display is shown after a short time.
External control
Flow temperature
Fig. 24
The green ON indicator
pump is now ready for operation.
Note
A number between 1 and 4 may also be shown on
the display. This number is a device number set
internally by the control unit. It has no influence on
the operation of the heat pump.
40°C
C
on the heat pump
C
1
40°C
illuminates. The heat
B
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