Viessmann VITOTRONIC 300 Operating Instructions Manual page 26

Central heating — Single boiler system control
Comfort function
Ending "Comfort mode"
Again tap .
■
or
■ Automatically when the system switches to standard
heating mode in accordance with the time program
or
Automatically after 8 hours
■
Note
If you want to make changes to this, contact your
local heating contractor.
Energy saving function"Economy mode"
Setting "Economy mode"
Tap the following buttons:
1. 1, 2 or 3 in the header for the required heating cir-
cuit
2.
Ending "Economy mode"
■ Again tap .
or
Automatically when the system switches to reduced
■
heating mode in accordance with the time program
Energy saving function "Holiday program"
Setting "Holiday program"
Note
The holiday program affects 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.
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
26
(cont.)
3. Tap OK to confirm. The frame around symbol
highlighted in white.
Note
You can enable this energy saving function only in
standard heating mode.
4. "Holiday program"
Heating circuit 1 holiday program
Departure date
Wednesday
01/01/2014
Fig. 25
5. / for "Departure date" and "Return date"
6. Press OK to confirm
is
Return date
Wednesday
01/01/2014
OK