Viessmann VITOTRONIC 300 Operating Instructions Manual page 32

Central heating — Multi boiler system control
Energy saving function "Holiday program"
4. "Holiday program"
Heating circuit 1 holiday program
Departure date
Tuesday
10/06/2014
Fig. 31
5. / for "Departure date" and "Return date"
Cancelling or deleting the "Holiday program"
Tap the following buttons:
1. "Menu"
2. "Heating"
3. "Heating circuit 1", "Heating circuit 2" or "Heat-
ing circuit 3" as the required heating circuit
4. "Holiday program"
Heating circuit 1 holiday program
Departure date
Wednesday
01/01/2014
Fig. 32
5. for "Return date" the same date as for the
"Departure date"
6. Press OK to confirm
32
Return date
Monday
16/06/2014
OK
Return date
Wednesday
01/01/2014
OK
(cont.)
6. Press OK to confirm
The holiday program has the following effect:
Central heating:
■
– For heating circuits in the operating program
"Heating and DHW":
The rooms are heated to the set reduced room
temperature (see page 28).
For heating circuits in the operating program
–
"DHW only":
No central heating. Frost protection for the boiler
and the DHW cylinder is active.
■ DHW heating:
No DHW heating. Frost protection for the DHW cylin-
der is active.