Setting The "Holiday Program" (Ho2C) - Viessmann VITODENS Operating Instructions Manual

Mechanical ventilation
"Holiday program" energy saving function
Tap the following on-screen buttons:
1. "Menu"
2. "Ventilation"
3. "Holiday program"
4. / for "Departure date" and "Return date"
Fig. 32

Setting the "Holiday program" (HO2C)

Note
The holiday program applies to all heating circuits.
If you want to make changes to this, contact your local
heating contractor.
The holiday program starts at 00:00 h the day after the
departure date. The holiday program ends at 00:00 h
on the return date. This means that the set time pro-
gram is active on the days of departure and return.
While the holiday program is active, "Holiday pro-
gram" is shown in the default display.
Tap the following on-screen buttons:
1.
2. "Holiday program"
3. "Ventilation"
4.
Cancelling or deleting the "Holiday program" (only HO2B)
Tap the following on-screen buttons:
1. "Menu"
2. "Ventilation"
38
(cont.)
5. OK to confirm
"Holiday program" appears in the default display.
Note
During the holiday program, mechanical ventilation
runs in basic mode (ventilation level 1).
This only applies if the holiday program has also
been activated for ventilation.
5. Using / , select "Departure date" and
"Return date".
Fig. 33
6. to confirm
"Holiday program" appears in the default display.
Note
During the holiday program, mechanical ventilation
runs in basic mode (ventilation level 1).
This only applies if the holiday program has also
been activated for ventilation.
3. "Ventilation, holiday program"
4. to set the same date for the "Return date" as for
the "Departure date"