Specification - Viessmann Vitotronic 200 Installation And Service Instructions Manual

Components
Flue gas temperature sensor, part no. 7450 630
Checking the flue gas temperature sensor

Specification

Protection
IP 60
Permiss. ambient
temperature
during opera- 0 to + 600 °C
tion
during storage
and transport 20 to + 70 °C
114
(cont.)
1. Pull plug aG.
2. Check the sensor resistance
across plug terminals "1" and "2".
3. Compare the measurement with the
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.