Carrier 42NQV050M Service Manual page 75

11-8-2. P.C. Board Layout
[1] Sensor characteristic table
100
90
80
70
60
50
40
30
20
10
0
0
TD
TA, TC, TO, TE, TS
10 20 30 40
Temperature ( C)
+12V
TD : Discharge temp. sensor
TA : Room temp. sensor
TC : Heat exchanger temp. sensor
TO : Outdoor temp. sensor
TE : Outdoor heat exchanger temp. sensor
TS : Suction temp. sensor
50
– 74 –
GND
+5V