Selecting The Heating Program (Winter, Summer) - Viessmann Vitotronic 100 GC1 Series Operating Instructions And User's Information Manual

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Selecting the heating program (winter, summer)

6
In a multi-boiler system
Multi-
the button is without function.
boiler
domestic hot water heating can only be set on the master control.
system
Select the required heating program
with the , or button.
Central heating and domestic hot water
Central heating
Domestic hot water supply (if a DHW
tank is installed)
Freeze-up protection of the boiler and
the DHW tank
Domestic hot water only
No central heating
Domestic hot water supply (if a DHW
tank is installed)
Freeze-up protection of the boiler and
the DHW tank
Standby operation
No central heating
No domestic hot water supply
Freeze-up protection of the boiler and
the DHW tank
When pressed, the corresponding
button is illuminated.
Example
For the winter and transitionary
periods.
Example
For the summer.
Please note:
The circulation pumps are
switched on for a short time
every 24 hours to prevent them
from seizing up.