67
Internal unit: Viessmann NTC 10 k
Ω
(marked blue)
Outside temperature sensor
100
10
-20
-10
0
10
20
30
Temperature in °C
6
8
20
40
60
80
200
Resistance
in kΩ
Fig. 57
Other sensors
10
1
10
30
50
70
90
110
Temperature in °C
0.4
0.6
0.8
2
4
6
8
20
Resistance
in kΩ
Fig. 58
Internal unit: Viessmann NTC 20 k
Ω
(marked orange)
80
120
160
200
Temperature in °C
40
0.1
1
10
Resistance
in kΩ
0
40
20
20
60
100
140
180
Fig. 59
Maintenance
Checking the sensors
(cont.)
5700 542 GB
Maintenance
