Viessmann Vitodens 100-W Operating Instructions Manual page 22

Central heating
Saving energy during long absences
■ The holiday program starts at 00:00 on the first day
of your holiday and ends at 23:59 on the final day.
As long as the "holiday program" function is switched
■
on, the default display shows "E
Switching the holiday program on/off
The "holiday program" function is switched on and off
via the ViCare app.
Turning off central heating
You do not want to heat your rooms but you want to
have DHW available (summer mode).
Note
If a second heating circuit
heat generator and you want to switch it off, move
through the default displays until
Tap the following buttons:
1. repeatedly to switch between the default dis-
plays until
22
".
e
was configured on the
is illuminated.
appears.
(cont.)
While the function is switched on, the display shows
"E ".
e
2. for 4 s until
3. "OK" to confirm.
4. to exit the menu.
Note
■ To prevent the circulation pump from seizing, it
briefly starts every 24 hours.
Boiler frost protection is enabled.
■
appears.