10
O
R
P
-
L
T3
T4
T5
H-PRO
FM-UP
FM-D
CT1
T6
PFC BOARD
1
C
T
P
2
C
T
P
1
2
3
4
5
U
V
W
U
V
W
CN7
CN5
CN8
U
V
W
CN1
SV6
EEV
HEAT1
SV4
P
N
SV5
A2
P Q
X
Y (E)
(E)
CT1
PFC-L
L1
L2
A1
OUTDOOR UNIT POWER
PLEASE USE SHIELDED WIRE
OFF
Obtain net address automatically
1
ON
2
SW-1
ON
OFF
Clear indoor unit net address
Obtain net address manually
Undefined
A38-7458
LEGEND
NOTE: Field wiring to use copper conductors only.
CAP
— Capacitor
COMP
— Compressor
CT1
— AC Current Sensor
EEV
— Electric Expansion Valve
FM-D
— Outdoor Fan Motor - Down
FM-UP
— Outdoor Fan Motor - Up
HEAT1
— Crankcase Heater
H-PRO
— High-Pressure Switch
IC1
— DC Current Sensor
IPM
— Intelligent Power Module
KM
— AC Contactor
L-PRO
— Low-Pressure Switch
PFC
— Power Factor Correction
PFC-L
— PFC Inductor
PTC1,
PTC2
— Positive Temperature Coefficient
REC
— Rectifier
RES
— Resistor
SV4
— 4-Way Valve
SV5,
SV6
— Solenoid Valve
T3
— Condenser Temperature Sensor
T4
— Outdoor Ambient Temperature Sensor
T5
— Compressor Discharge Temperature Sensor
T6
— Radiator Temperature Sensor
Fig. 10 — 38WAH036,048 Typical Wiring Diagram
