Viessmann VITOTRONIC 100 Installation And Service Instructions Manual page 130

Components
Components from the parts list
Boiler water temperature sensor and cylinder temperature sensor
760
740
720
700
680
660
640
620
600
580
560
540
0 20 0 40
Boiler water or
cylinder temperature in ºC
130
60 80 100 120 140
(cont.)
Connection
See page 66.
Checking sensor
1. Pull plug § or %.
2. Check the sensor resistance at
terminals "1" and "2" or "2" and
"3" (if a second cylinder
temperature sensor has been
connected) of the plug.
3. Compare the test result with the
actual temperature (for scanning,
see page 107).
Check the installation and replace
sensor, if necessary, in case of
severe deviation.
Specification
Protection:
Permiss. ambient
temperature
H during operation
boiler water
temperature sensor: 0 to +130 ºC
cylinder
temperature sensor: 0 to + 190 ºC
H during storage
and transport:
IP 32
20 to + 170 ºC