Viessmann VITOTROL 300 RF Operating Instructions Manual page 43

Changing the batteries
-
+
-
Note
No data is lost when the batteries are
changed.
The display will start up when the batter-
ies are inserted. The display may take up
to 5 min to start up.
(cont.)
2.
+
1.
Heating circuit selection
Heating circuit 2
Heating circuit 3
id: ...
After starting up, the standard menu
appears.
What to do if...
43