Carrier 38MPRA Series Service Manual page 11

Sizes 18K and 24K (continued)
CODE
COMP
CAP1
HEAT
FM1
FAN1
EEV ELECTRONIC EXPANSION VALVE
H-PRO HIGH PRESSURE SWITCH
CODE PART NAME
CN53~CN54 Input:230VAC High voltage
CN55 Output:Pin1(12VDC),Pin2(5VDC),Pin3(EARTH)
CN19 Pin1~Pin3:Connect to FAN voltage among phases 0~200VAC
U~V~W Connect to compressor voltage among phases 0~200VAC
CN51~CN52 Output:224-380VDC High Voltage
SG-38MPRA-02
Table 9 — Wiring Diagram - Sizes 18K and 24K
PART NAME
COMPRESSOR
FAN MOTOR CAPACITOR
CRANKCASE HEATING
OUTDOOR DC FAN
OUTDOOR AC FAN
Table 10 — Wiring Diagram - Sizes 18K and 24K
OUTDOOR UNIT PFC & MAIN BOARD
Specifications subject to change without notice.
CODE
L
L-PRO LOW PRESSURE SWITCH
TP DISCHARGE TEMPERATURE SENSOR
SV
T3 CONDENSER TEMPERATURE SENSOR
T4 OUTDOOR AMBIENT TEMPERATURE SENSOR
TH HEATSINK TEMPERATURE SENSOR
PART NAME
PFC INDUCTOR
4-WAY VALVE
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