Viessmann VITODENS 050-W Installation And Service Instructions Manual page 66

Troubleshooting
Repairs
(cont.)
Checking the outlet temperature sensor
A
20
10
8
6
4
2
1
0.8
0.6
0.4
10 30
Temperature in °C
Sensor type: NTC 10 kΩ
66
50 70 90
1. Disconnect leads from outlet tem-
perature sensor A.
2. Check sensor resistance and com-
pare it to the curve.
110