37
Components
Room temperature sensor,
Part no. 7408 012
The room temperature sensor measure the actual room temperature, if the remote control unit cannot be installed in a
suitable location.
Connection
See page 35.
Check the room temperature sensor
1. Disconnect the wires at the sensor terminals.
2. Measure the resistance of the
sensor 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 (see page 23).
If the value differs significantly, check installation and, if
necessary, replace sensor.
Technical data
Degree of protection: IP 30
Ambient temperature during operation:
0 to + 40°C
32 to + 104°F
during storage and transport:
–20 to + 65°C
–4 to + 149°F
5285 967 v1.2
0 5 10 15 20 25 30 35 40
500
510
520
530
540
550
560
570
580
590
Resistance in
32 41 50 59 68 77 86 95 104
Room temperature in °C / °F
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