Viessmann VITOLIGNO 300-P Service Instructions Manual page 113

Repairs
(cont.)
DIP switch
1 ON
2 ON
3 OFF
4 ON
4 OFF
Note
With switches 1 to 3, only one switch
may be set to "ON".
Function
Reduced mode, heating circuit 1 with mixer M1
Reduced mode, heating circuit 2 with mixer M2
—
0 to 100 °C
30 to 120 °C
Troubleshooting
113