Technical data

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FAULTS
6 720 803 687 (2012/11)72
10.2.9 CHECK EXTERNAL UNIT TEMPERATURE SENSOR
Temperature sensor Designation Reference curve
TH3, TH33 Liquid line temperature sensor A
TH4 Hot gas temperature sensor C
TH6 Evaporator/temperature sensor A
TH7 Outdoor air temperature sensor A
TH8 Heat deflector temperature sensor B
TH32 Compressor casing temperature sensor C
Table 42 Temperature sensor overview
Reference curve A
Temperature sensor R
0
=15k3 % constant
B = 3480 k 2%
Value range
0 °C 15 k
10 °C 9.6 k
20 °C 6.3 k
25 °C 5.2 k
30 °C 4.3 k
40 °C 3.0 k
Table 43 Reference curve A
Rt 15 3480
1
273 t+
---------------------
1
273
-----------





exp=
(°C)
)k( Ω
0
10
20
30
40
50
-20-1001020304050