Viessmann VITOLIGNO 250-S Operating Instructions Manual page 26

Central heating
Energy saving function "Economy mode"
To save energy, you can reduce the room temperature
in standard heating mode, for example if you leave the
house for a few hours.
Selecting "Economy mode"
In economy mode, the standard room temperature is
reduced automatically.
Heating circuit 1
Set room temp.
Heating program
Party mode
Economy mode
Select with
Fig. 23
Press the following keys:
1. Repeatedly, until the standard menu is dis-
ä
played.
Terminating "Economy mode"
Economy mode ends automatically the next time the
system changes over to central heating with standard
room temperature.
To terminate economy mode prematurely, press the
following keys:
1. Repeatedly, until the standard menu is dis-
ä
played.
2. / For "Heating".
| ~
3. To confirm.
d
Energy saving function "Holiday program"
To save energy, for example during long holiday
absences, you can enable the Holiday program.
Setting the "Holiday program"
The holiday program starts at 00:00 h the day following
your departure and ends at 00:00 h on the day of your
return. The set switching times are active on the day of
departure and day of return.
26
HC1
Ù Ú
ON
â
(
2. / For "Heating".
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3. To confirm.
d
4. / To select "Heating circuit 1" (HC1), "Heat-
Ù Ú
ing circuit 2" (HC2) or "Heating circuit 3"
(HC3).
5. / For "Economy mode".
| ~
6. To confirm.
d
"Economy mode On" appears briefly in the
display. In the subsequent menu, "On"
appears on the right-hand side of the display.
4. / To select "Heating circuit 1" (HC1), "Heat-
Ù Ú
ing circuit 2" (HC2) or "Heating circuit 3"
(HC3).
5. / For "Economy mode".
| ~
6. To confirm.
d
"Economy mode Off" appears briefly in the
display.
In the subsequent menu, "Off" appears on
the right-hand side of the display.
Note
The control unit is set so that the holiday program
applies to all heating circuits and there is no DHW
heating. If you want to change this, contact your heat-
ing contractor.