Lennox MMDA048S4-*P Installation Instructions

25
DR IV ER B OA RD
CODE
PART NAME
COMPRESSOR
D
HE AT 1
CT1
AC CURRENT DETECTOR
4-WAY VALVE
COMP
EXV
ELECTRIC EXPANS IO N
VALV E
H-PRO
L-PRO
LOW PRESSURE SWIT CH
HIGH PRE SSURE SWIT CH
T3
T4
OUTDOOR COIL
TEMPERATURE SENSOR
OUTDOOR
TEMPERATURE SENSOR
CRANKCAS E HEAT ER
DIODE MODULE
SV
L
PFC INDUCTOR
TH
HEATSINK
TEMPERATURE SENSOR
T5
COMPRESSOR DISCHARGE
TEMPERATURE SENSOR
MAIN BOARD
FM1,FM2
OUTDOOR DC FAN
EX V
O
UT DO
OR T E MP
. S E NS OR
O
UT DO OR C O
L
I T E MP .
S E
NS O R
D
12
3
4
5
P5
CN19
CN20
CN24
CN25
CN17
FAN1
CN18
HEAT1
HEAT2
SV
4-WAY
VALVE
BLUE
RED
BLUE
CN4
CN2
CN3
CN1
CO MP
U
V
W
Y/G
CN6
CN9
10
3
CN1
CN2
L
YELLOW
YELLOW
U
V
W
BLUE
BLACK
RED
RED/WIHTE
BLACK
RED
BLACK
CH1
CT1
FM 2
FM 1
Y/G
Y/G
DC MOT OR
DR IV ER B OA RD
CON1
FAN1
CN1
FAN2
3
3
P6
2
CN6
CN3
Y/G
BLACK
TO INDOOR COMM. BUS
XT 2
YE L L O W
GR A Y
S1
S2
NOTE: PLEASE USE 2-CORE
SHIELDED WIRE
L2
L1
MAIN POWER SUPPLY
XT1
TO INDOOR UNIT
L1
Y/G
XT2
1
L2
1
L2
1
NL
N
L
P9
P7
P8
CN22
RED
BLUE/BLACK
ORAN GE
ORA NGE
RED
BLACK
CH2
CH2
CH2
~
~
~
C OMP R E S S
OR D SI
C HAR G E
T E MP .
S
E
NS
OR
HE AT 2
PAN HEAT ER
Figure 41. 208/230V MPB048S4S-*P Outdoor Unit Wiring Diagram
Figure 42. 208/230V MLA009, 012 and 018S4S-*P Outdoor Unit Wiring Diagram

Lennox MMDA048S4-*P Specifications

General

Brand	Lennox
Model	MMDA048S4-*P
Category	Air Conditioner
Language	English