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19
ELECTRONIC
EXPANSION
VALVE
T4
T3
1(A)
L2
2(A)
L1
4 WAY
VALVE
BLA
CK
BLU
E
BRO
WN
BLA
CK
BLU
E
BRO
WN
BLA
CK
RED
L-OUT
PAN
HEATER
CRANKCASE
HEATER
OUTDOOR
COIL TEMP. SENSOR
OUTDOOR
TEMP. SENSOR
CN
38
CN6
2
CN
39
CN11
CN12
RED
BLUE
1(B) 2(B) 3(B)
3(A)
A
B
T5 COMPRESSOR
DISCHARGE TEMP.
INDOOR COIL OUTLET
TEMP.SENSOR
Figure 23. MPA018S4M-*P Outdoor Unit Wiring Diagram
6
6
6
YEL
LOW
RED
L-PRO
LOW PRESSURE SWITCH
H-PRO
HIGH PRESSURE SWITCH
4
BLA
CK
BLU
E
BRO
WN
BLA
CK
RED
L2
BRO
WN
BRO
WN
BLU
E
BLU
E
BLA
CK
BLA
CK
1(A)
3(A)
2(A)
CN
38
2
CN12
CN11
RED
BLUE
1(B)
1(C)
2(B)
2(C)
3(B)
3(C)
A
B
C
PAN
HEATER
CRANKCASE
HEATER
ELECTRONIC
EXPANSION
VALVE
4 WAY
VALVE
T4
T3 OUTDOOR
COIL TEMP. SENSOR
OUTDOOR
TEMP. SENSOR
T5 COMPRESSOR
DISCHARGE TEMP.
INDOOR COIL OUTLET
TEMP.SENSOR
Figure 24. MPA030S4M-*P Outdoor Unit Wiring Diagram