Carrier 42NQV050M Service Manual page 77

11-8-3. P.C. Board Layout
[1] Sensor characteristic table
100
90
80
70
60
50
40
30
20
10
0
0 10 20
Temperature ( C)
TD
TA, TC, TCJ, TO, TE, TS
30 40 50
+12V
TD : Discharge temp. sensor
TA : Room temp. sensor
TC, TCJ : Heat exchanger temp. sensor
TO : Outdoor temp. sensor
TE : Outdoor heat exchanger temp. sensor
TS : Suction temp. sensor
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FILE NO. SVM-10052
GND
+5V