Viessmann CIB - Checking the Fuse

78
Fig. 39
1. Disconnect the leads from the flue gas temperature
sensor.
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. 40 Sensor type: NTC 10 kΩ
2. Measure the resistance of both sensors and com-
pare each with the curve.
3. In the event of severe deviation replace the sensor.
Checking the fuse
Note
Switch OFF the power supply.
Maintenance
Checking the flue gas temperature sensor (cont.)
5839829
Maintenance