Viessmann CIB - Checking the Cylinder Temperature Sensor; Checking the Boiler Water Temperature Sensor

76
5
Fig. 35
1. Cylinder temperature sensor
Pull out plug
%
. Measure the resistance.
2. Check sensor resistance and compare it to the
curve.
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. 36 Sensor type: NTC 10 kΩ
3. In the event of severe deviation replace the sensor.
Checking the boiler water temperature sensor
Note
The boiler water temperature sensor is a dual sensor.
A
B C
D
Fig. 37
A
Boiler water temperature sensor
B
Connection ½
C
Connection 1¼
D
Water pressure switch
1.
Boiler water temperature sensor
A
Pull plug and measure the resistance.
Maintenance
Checking the cylinder temperature sensor
5839829
Maintenance