Viessmann Vitotronic 100 GC1 Installation And Service Instructions Manual page 122

Components – Vitotronic 100, GC1
Components from the parts list
Boiler water temperature sensor
3
760
740
720
700
680
660
640
620
600
580
560
540 400
0 20 40
32 68 104
Boiler temperature in
122
(cont.)
60 80 100 120
141 176 212 248
°C / °F
The sensor measures the boiler water
temperature of the boiler.
The boiler temperature sensor is
installed at the same time as the boiler
insulation.
Check the sensor
1. Disconnect plug § in the terminal
compartment of the boiler control.
2. Measure resistance of sensor at
terminals "1" and "2" of the plug.
Boiler water
temperature
in °C / °F
40 / 104
50 / 122
60 / 140
3. Compare the value measured with
the current temperature. If the
value differs significantly, check
installation and, if necessary,
replace sensor.
Technical data
Degree of protection: IP 32
Ambient temperature
during operation:
0 to + 130 °C
32 to + 266 °F
during storage and transport:
-20 to + 170 °C
- 4 to + 158 °F
Electrical connection
The sensors are ready to plug in.
Insert the boiler temperature sensor
in socket "3" of the boiler control.
140
284
Resistance
in Ω Ω Ω Ω
578
597
616