Technical data

143
Components – Vitocontrol-S, VD2/CT3/CM2
Components from the parts list (continued)
Outdoor temperature sensor
Connection
See page 77.
Check sensor
1. Remove plug !.
2. Check the sensor resistance at
terminals 1 and 2 of the plug.
Outdoor
temperature in
˚C / ˚F
Resistance
in Ω
ΩΩ
Ω
–10 / 14
0 / 32
20 / 68
480
500
546
3. Disconnect cores from the sensor, if
actual values deviate severely from
the curve, repeat the sensor
measurement and compare with the
actual temperature (for scanning,
see page 109).
4. Depending on the result, replace
cable or outdoor temperature sensor.
5. Scan actual temperature (for
scanning, see page 109).
Specification
Protection: IP 43
Permissible ambient temperature
during operation, storage and
transport:
–40 to +70˚C
–40 to 158˚F
5351 340 v1.4
2.
5.
1.
4.
3.
Resistance in
400
420
440
460
480
500
520
540
560
580
600
-40 -30 -20 -10 0 10 20 30
Outdoor temperature in °C / °F
-40 -22 -4 14 32 50 68 86