Viessmann Vitotronic 100 GC1 Installation And Service Instructions Manual page 83

Further step-by-step instructions
Changing slope and shift
(for every heating circuit separately)
1
Slope
2
3
110
230
A
+20 / 68
Outdoor temperature in °C / °F
A Change slope
B Change shift
(cont.)
1. Call up slope with
adjustable value 0.2 to 3.5;
call up shift with
adjustable value –13 to +40 °C /
8.6 to 104 °F.
3.5
B
1.4
0.2
-20 / -4
, 2. Change the value with
; 3. Confirm the set value with
Initial start-up
or .
.
83