Viessmann VITOLIGNO 300-H Series Operating Instructions Manual page 22

Central heating
Stopping central heating
4. / to select "Heating circuit 1" (HC1), "Heat-
Ù Ú
ing circuit 2" (HC2), "Heating circuit 3"
(HC3) or "Heating circuit 4" (HC4, if instal-
led).
5. / for "Operating program".
| ~
22
(cont.)
6. to confirm.
d
7. / for "Standby mode".
| ~
8. to confirm. The display briefly shows
d
"Standby mode".