Viessmann GC1 - Page 20

Settings
20
Setting the energy saving mode for the holiday period (continued) Vitotronic 300-K, MW1S
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Departure date
Fr
1. Open the cover on the programming
unit.
2. Press the heating circuit selector
button; the button is illuminated.
3.
Press ; the ”Holiday
program” display appears
in the display window.
4. Press ; the display
changes to the ”Departure
date” (actual day of the
week).
5. / Press / until the
required departure date
appears.
If you want to erase the holiday
program during the setting
procedure, press again and
confirm ”Erase? Yes” with .
Return date
Tu
6. Press to confirm;
the display changes to the
”Return date” (the return
date shown is the day
following the entered
departure date).
7. / Press / until the
required return date
appears.
8.
Press to confirm;
the display changes and
shows the boiler
temperature.
9. To set the temperature for the
duration of the holiday program
(only in the ”rw” heating
program):
Press .
Set the required value with the
or button.
Confirm by pressing ; the
temperature value stops flashing
and is stored.
10. Close the hinged cover on the
programming unit.
This temperature also applies to
the reduced room temperature
outside the holiday program.
After the departure date, ”Holiday
program” and the actual date appear
in the display window.
On the return date, the boiler
temperature appears in the display
window.
If you want to cancel the holiday
program before the selected return
date, press
again and confirm
“Erase? Yes” with .
5581 751 v1.1