Technical data

152
Components – Vitocontrol-S, VD2/CT3/CM2
Room temperature sensor, Part No. 7133 379
The room temperature sensor measures the actual room temperature, if the remote Vitotrol unit cannot be installed in a
suitable location.
Connection
See page 77.
Check sensor
1. Disconnect the wires from the
sensor.
2. Check the sensor resistance at
terminals 9 and 13b.
Room temperature
in ˚C / ˚F
Resistance in Ω
ΩΩ
Ω
10 / 50
15 / 59
25 / 77
522
534
557
3. Compare measurement with the
actual temperature displayed (for
scanning, see page 109).
Check the installation and replace
sensor, if necessary, in case of
severe deviation.
Specification
Protection: IP 30
Permiss. ambient
temperature:
During operation:
0 to +40˚C
32 to 104˚F
In storage and transport:
–20 to +65˚C
–4 to +149˚F
5351 340 v1.4
0
Resistance in
500
5 10 15 20 25 30 35 40
510
520
530
540
550
560
570
580
600
590
Room temperature in °C / °F
32 41 50 59 68 77 86 95 104