Lennox MLA030S4M Service Manual

65
HEAT1
SV
HEAT2
WHITE WHITE
6
BLACK
BLUE
BROWN
BLACK
RED
L2
BROWN
BROWN
BLUE
BLUE
BLACK
BLACK
1(A)
3(A)
2(A)
1(B)
3(B)
2(B)
1(C)
2(C)
3(C)
3
3
6
6
CRANKCASE
HEATER
PAN
HEATER
Figure 26. MPB030S4M-*P Outdoor Unit Wiring Diagram
CO MP
FM 1
MAIN B OA RD
RED
B L A CK
U
V
W
Y/G
Y/G
L
L-PRO
T3
T4
H-PRO
Y/G
TP
V
U
CN19
CN51
CN55
W
EXV
BLACK
DRIVER BOARD
RED
7
7
YELLOW
BLUE
P-1
CN53
CN3
CN4
CN10
CN40
CN22
CN44
C N8
C N9
CN7
C N2
C N1
CN5
CN54
CN52
CN33
CN6
SV
4-WAY
VALVE
BLUE
BLUE
HEAT_2
HEAT_1
BLACK
RED
BLUE
BLUE
BLUE
YELLOW
RED
BLACK
RED
BLACK
CN20
M
6
A
CN21
M
6
B
CN17
M
6
C
CN18
M
6
D
CN30
C N2 9
C N2 8
C N2
7
CODE PART NAME
COMPRESSOR
HEAT _2
4-W AY VALVE
COMP
EXV
ELECTRIC EXPANSIO N
VALV E
H-PRO
L-PRO
LOW PRE SSURE SWIT CH
HIGH PRESSURE SWIT CH
T3
T4
OUTDOOR COIL
TEMPERATU RE SENSOR
OUTDOOR
TEMPERAT URE SENSOR
PAN HEAT ER
SV
L
PFC INDUCTOR
T2B
INDOOR COIL OUTLET
TEMPERAT URE SENSOR
TP
COMPRESSOR D ISCHARGE
TEMPERAT URE SENSOR
FM1
OUTDOOR DC FAN
PART NAMECODE
BLUE
BLUE
RDE
BLACK
BLACK
RDE
EXV
EXV
EXV
HEAT _1
CRANKCAS E HEAT ER
Figure 27. MPB036S4M-*P Outdoor Unit Wiring Diagram

Lennox MLA030S4M Specifications

General

Brand	Lennox
Model	MLA030S4M
Category	Air Conditioner
Language	English