3.
Replace the sensor in case of
severe deviation.
Danger
The outlet temperature sen-
sor is immersed in the DHW
(risk of scalding).
Drain the DHW side of the
boiler before replacing the
sensor.
Checking the flue gas temperature sensor
The flue gas temperature sensor locks out the boiler when the permissible flue
gas temperature is exceeded. Reset the interlock after the flue gas system has
cooled down by pressing the reset button "
E
".
1.
Pull the leads from flue gas tem-
perature sensor
A
.
2.
Check the sensor resistance and
compare it with the curve.
3.
Replace the sensor in case of
severe deviation.
Repairs
(cont.)
85
Troubleshooting
5692
731
GB
Содержание VITODENS 333-F WS3A
Страница 109: ...A1 Main PCB A2 Power supply unit Connection and wiring diagram external connections 109 Designs 5692 731 GB ...
Страница 113: ...Parts lists cont 113 Parts lists 5692 731 GB ...
Страница 114: ...Parts lists cont 114 Parts lists 5692 731 GB ...
Страница 115: ...Parts lists cont 115 Parts lists 5692 731 GB ...
Страница 116: ...Parts lists cont 116 Parts lists 5692 731 GB ...
Страница 117: ...Parts lists cont 117 Parts lists 5692 731 GB ...