Viessmann Vitotronic 200 Installation And Service Instructions Manual page 109

Components from the parts list
Boiler water temperature sensor and cylinder temperature
sensor
Connection
See chapter "Connecting sensors".
Check sensor
Specification
Protection: IP 32
Permiss. ambient
temperature
during operation
Boiler water 0 to + 130 °C
temperature
sensor
Cylinder tem- 0 to + 90 °C
perature sensor
during storage
and transport
(cont.)
1. Pull plug § or %.
2. Check the sensor resistance at
3. Compare the measurement with the
20 to + 70 °C
terminals "1" and "2" or "2" and "3"
of the plug (if a second cylinder
temperature sensor has been con-
nected).
actual temperature displayed (for
scanning, see chapter "tempera-
tures, boiler coding card and brief
scans").
Check the installation and, in case
of severe deviation, replace the
sensor.
Components
109