Lennox M33A036S4-1P - 208;230 V MPA036 S4 S-1 P Outdoor Unit Wiring Diagram

Lennox Mini-Split Service Manual / Page 92
208/230V MPA036S4S-1P Outdoor Unit Wiring Diagram
Typical wiring diagram. Refer to wiring diagram on the unit for actual wiring.
COMP
FM1
MAIN BOARD
RED
BLACK
U
V
W
Y/G
Y/G
L
L-PRO
T3
T4
CODE PART NAME
COMPRESSOR
HEAT1
4 WAY VALVE
COMP
EXV
ELECTRIC EXPANSION
VALVE
H-PRO
L-PRO
LOW PRESSURE SWITCH
HIGH PRESSURE SWITCH
T3
T4
OUTDOOR COIL TEMP.
SENSOR
OUTDOOR TEMP. SENSOR
POWER SUPPLY
H-PRO
SV
L
PFC INDUCTOR
COMPRESSOR
DISCHARGE
TEMP. SENSOR
RED
BLACK
V
U
CN19
CN51
CN55
W
EXV
BLACK
DRIVER BOARD
RED
7
7
YELLOW
BLUE
P-1
FM1
OUTDOOR DC FAN
CN53
CN20
CN34
CN3
CN4
CN10
CN40
CN22
CN44
CN8
CN9
CN7
CN2
CN1
CN5
CN54
CN52
CN33
ORANGE
ORANGE
M
5
CN6
SV
4 WAY
VALVE
ORANGE
ORANGE
CN12 CN11
BLACK
RED
BLUE
BLUE
BLUE
YELLOW
RED
BLACK
RED
BLACK
TO INDOOR COMM. BUS
XT2
Y
E
LL
O
W
G
RAY
S1
S2
NOTEP lease use 2-core
shielded wire.
XT1
L1
L2
L1
L2
2
)(
1
()
RED
BLACK
MAIN
TO INDOOR UNIT
POWER SUPPLY
HEAT2
HEAT1
CRANKCASE HEATER
PAN HEATER
HEAT2