Lennox MMDA018S4-1P User Manual

Lennox Mini-Split Service Manual / Page 93
CODE
PART NAME
COMPRESSOR
D
CT1
AC CURRENT DETECTOR
4-WAY VALVE
COMP
DCFAN1,DCFAN2
H-PRO
L-PRO
LOW PRESSURE SWITCH
HIGH PRESSURE SWITCH
T3
T4
OUTDOOR COIL
TEMP. SENSOR
OUTDOOR TEMP. SENSOR
DIODE MODULE
SV
L
PFC INDUCTOR
TH
HEATSINK TEMP. SENSOR
T5
DISCHARGE
TEMP. SENSOR
MAIN BOARD
OUTDOOR DC FAN
CN15
A
ELECTRONIC
EXPANSION
VALVE A
CN8
T5
01N
C
RED
YELLOW
L-PRO
H-PRO
9N
C
T4
T3
D
1
2
3
4
5
CN22
CN19
CN7
CN20
CN55
CN24
CN11
CN25
CN17
CN39
CN18
HEAT_D
HEAT_Y
SV
4-WAY
BLUE
BLUE
RED
BLUE
CN4
CN2
CN3
CN1
COMP
U
V
W
Y/G
DCFAN2
DCFAN1
5
5
CN6
CN5
CN8
CN15
CN9
CN14
7
5
CN6
CN3
L
YELLOW
YELLOW
U
V
W
BLUE
BLACK
RED
Y/G
CN39
WHITE
BLACK
BLACK
BLACK
RED
BLACK
RED
CN12
TH
TO INDOOR COMM. BUS
XT2
L
L
EY
OW
ARGY
S1
S2
NOTEφ
shielded wire.
Please use 2-core

Y/G
P-6
CH5
CT1
L2
L1
MAIN POWER SUPPLY
XT1
TO INDOOR UNIT
L1
Y/G
RED
BLACK
XT3
1


L2


1


L2


HEAT_Y
CRANKCASE HEATER
PAN HEATER
HEAT_D
6
Compressor and Outdoor
Fan Control Board
208/230V MPA048S4S-1P Outdoor Unit Wiring Diagram
Typical wiring diagram.
Refer to wiring diagram
on the unit for actual
wiring.

Lennox MMDA018S4-1P Specifications

General

Brand	Lennox
Model	MMDA018S4-1P
Category	Air Conditioner
Language	English