Viessmann Vitotwin 300-W Installation And Service Instructions For Contractors page 82

Commissioning, inspection, maintenance
Further details regarding the individual steps
90
80
70
60
50
40
30
20 10
Outside temperature in °C
Heating curve settings
90
80
70
60
50
40
30
20
Outside temperature in °C
Adjust the heating curve separately for
each heating circuit.
82
3,5 2,75
4 3 2,5
0 -10
A
10 0
2,25
Slope
2
1,75
1,5
1,25
1
0,75
0,5
0,25
-20 -30
3
B
-10 -20
(cont.)
1.5
0.5