Viessmann VITOPEND 100-W Operating Instructions Manual page 26

Central heating
Heating curve ― weather-compensated mode
G Heating curve "6"
Vitopend 100-W heating curves
90
80
70
60
50
40
30
20
10
0
20 15
Outside temperature in °C
A Do not adjust (heating curve "1")
B Heating curve "2"
C Heating curve "3"
D Heating curve "4"
26
G
F
E
10 5
D
C
0 -5 -10
E Factory set heating curve "dEF"
F Heating curve "5"
G Heating curve "6"
(cont.)
B
A
-15 -20