Carrier 42NQV009E Service Manual page 66

10-8-2. P.C. board layout
WP-004
[1] Sensor characteristic table
100
90
80
70
60
50
40
30
20
10
0
0 10 20
TD
TA, TC, TO, TE
30 40 50
Temperature (°C)
Bottom View
TD : Discharge temp. sensor
TA : Room temp. sensor
TC : Heat exchanger temp. sensor
TO : Outdoor temp. sensor
TE : Outdoor heat exchanger temp. sensor
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FILE NO. SVM-07018