Viessmann Vitotronic 300 Operating Instructions Manual page 9

Setting the party mode
Party mode
Switch on the party mode when you require central heating and domestic hot
water (if a DHW cylinder is installed) for a short time independently of the
preset heating and time program.
To activate the party mode
1. Open the hinged cover on the pro
gramming unit.
2. Press the heating circuit selector
button; the button is lit.
3. M Press M; the button is lit,
the party mode display ap
ºC
pears in the display win
dow and the party tem
perature value flashes.
4. To change the party temperature:
a/b Press the a/b button
until the required tempera
ture value appears.
5. d Confirm by pressing d;
the temperature value
stops flashing and is
stored.
The display changes and
shows the boiler tempera
ture.
6. Close the hinged cover on the pro
gramming unit.
To cancel the party mode
H The party mode is cancelled the
next time the preset heating pro
gram switches automatically to
central heating with the "normal
room temperature".
H If you want to cancel the party
mode immediately, press the heat
ing circuit selector button and the
M button again; the button is no
longer lit.
Using the comfort functions
9