Additional information
145
B
C
A
3 4
1 2
112
System components
(continued)
Room temperature sensor, Part No. 7133 379
Accessory
A
To control unit
B
Remote control
C
Room temperature sensor
The room temperature sensor
serves to measure the room
temperature where the remote
control cannot be located in a
suitable position.
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
Electrical connection
Two-core cable, max. 35 m / 115 ft
long, with a conductor cross-section
of 1.5 mm
2
copper.
Set coding switch 3 on the rear of
the top part of the remote control
case to ”ON” (see page 107).
Check 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
10 / 50
15 / 59
25 / 77
522
534
557
3.
Compare the value measured
with the current temperature
(to scan: see page 74).
If the value differs significantly,
check installation and, if
necessary, replace sensor.
5285
941
-
0
1
0
5
10
15
20
25
30
35
40
500
510
520
530
540
550
560
570
580
590
32
41
50
59
68
77
86
95
104
Room temperature in °C / °F
Resistance
in
