34
Components
Components from the parts list
(cont.)
Outdoor temperature sensor
Connection
see page 10.
Checking the outdoor temperature sensor
1. Remove plug !.
2. Check the sensor resistance at terminals 1 and 2 of the
plug.
Outdoor
temperature in
ºC / ºF
Resistance
in Ω
ΩΩ
Ω
–10 / 14
0 / 32
20 / 68
480
500
546
3. Disconnect wires from the sensor,
if actual values deviate severely from the curve, repeat
the sensor measurement and compare with
the actual temperature (see page 23).
4. Depending on the result, replace cable or outdoor
temperature sensor.
5. Scan actual temperature.
Specification
Protection: IP 43
Permissible ambient temperature during operation,
storage and transport:
–40 to +70ºC
–40 to 158ºF
5285 967 v1.2
Resistance in
400
420
440
460
480
500
520
540
560
580
600
-40 -30 -20 -10 0 10 20 30
Outdoor temperature in ºC / ºF
-40 -22 -4 14 32 50 68 86
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