128
Checking the outlet temperature sensor
A
Fig. 100
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. 101 Sensor type: NTC 10 k
Ω
1.
Pull leads from outlet temperature sensor
A
.
2.
Check sensor resistance and compare it to the
curve.
3.
In the event of severe deviation replace the sensor.
Danger
The outlet temperature sensor is directly
immersed in the DHW (risk of scalding).
Drain the DHW side of the boiler before
replacing the sensor.
Troubleshooting
Repairs (gas condensing module)
(cont.)
5775 636 GB
Diagnosis
Summary of Contents for C3TB
Page 136: ...136 Troubleshooting Repairs gas condensing module cont 5775 636 GB Diagnosis ...
Page 143: ...143 Parts lists Heat cell assembly 5775 636 GB Components ...
Page 160: ...160 Parts not shown 0009 PCB IU100 B30 Parts lists Fuel cell assembly 5775 636 GB Components ...
Page 161: ...161 Parts lists Fuel cell assembly cont 5775 636 GB Components ...
Page 187: ...187 5775 636 GB ...
