Viessmann VITODENS Operating Instructions Manual page 30

Central heating
Energy saving function "Holiday program"
Setting the "Holiday program" for central heating
Note
The holiday program affects all heating
circuits.
If you want to make changes to this, con-
tact 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.
Extended menu:
1.
2. "Heating"
3. "Holiday program"
4. Set the required departure and return
dates.
Holiday program
Departure date:
Date
Return date:
Date
Select with
Cancelling or deleting the "Holiday program"
Extended menu
1.
2. "Heating"
30
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We 13.06.2012
Fr 15.06.2012
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The holiday program has the following
effect:
■ Central heating:
– For heating circuits in the operating
program "Heating and DHW":
The rooms are heated with the
selected reduced room temperature
(see page 25).
– For heating circuits in the operating
program "Only DHW":
No central heating. Frost protection
for the boiler and the DHW cylinder
is active.
■ DHW heating:
No DHW heating. Frost protection for
the DHW cylinder is active.
Display in the standard menu
21 °C
14 °C
Holiday program
Boiler temperature
Display in the extended menu
In the extended menu, you can call up
the set holiday program under "Informa-
tion" (see page 54).
3. "Holiday program"
4. "Delete program"
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40 °C