Viessmann Vitotronic 100 GC1 Installation And Service Instructions Manual page 33

Connection of the boiler 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
60 80 100 120
141 176 212 248
°C / °F
Installation – Vitotronic 100, GC1
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
33