Outside Temperature Sensor - Viessmann Vitotronic 200 Installation And Service Instructions Manual

Components from the parts list

Outside temperature sensor

Connection
See chapter "Connecting sensors".
Check outside temperature sensor
Specification
Protection IP 43
Permissible ambi-
ent temperature
during operation,
storage and
40 to + 70 °C
transport
Radio clock receiver, part no. 7450 563
The radio clock receiver sets the time at the control unit and any remote control
that may be connected, fully automatically.
(cont.)
1. Pull plug !.
2. Check the sensor resistance
across plug terminals "1" and "2".
3. Disconnect conductors from the
sensor, if the actual values deviate
severely from the curve, repeat the
sensor test and compare with the
actual temperature (for scanning,
see chapter "Temperatures, boiler
coding card and brief scans").
4. Depending on the result, replace
the lead or the outside temperature
sensor.
5. Scan the actual temperature (see
the above mentioned chapter).
Components
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