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Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
MOTOR
STEP
MOTOR
CN-MOTOR
RD
C
G
V
S
PILLAR
TERMINAL
BK
BR
BL
SW01F
FORCED
OPERATION
AUTO
RESTART
REMOTE
CONTROL
THERMISTOR
CN-TH
CN-U/D
CN-DISP1
MAIN PCB ASSY
INDOOR WIRING DIAGRAM
3854A20075M
DISPLAY PCB ASSY
TO OUTDOOR UNIT
CN-POWER
BK
CAPACITOR
TRANS-
FORMER
CN-SV
CN-POWER
CN-COMP1
CN-COMP2
FUSE T3.15A
CN-TRANAS
RY-COMP A
RY-COMP B
RY-FAN1
RY-SV3
RY-SV4
CN-TH1
MAIN DC
PCB ASSY
MAIN AC PCB ASSY
PILLAR
TERMINAL
TO INDOOR UNIT
B INDOOR
A INDOOR
CAPACITOR
A 4-WAY
B 4-WAY
THERMISTOR
BK
BK
BK
BK
BK
BK
BL
YL
BK
BK
YL
BK
"A"
COMP
"B"
COMP
RD
RD
BL
WH WH
4
4
3
3
OLP
OLP
H
S
C
C
S
R
R
C
F
BK
OR
OR
BR
YL
MOTOR
BK
T/B1
BK
BK
YL
RD
BK
BK BR BL
OR
RD
C
G
V
S
C
G
V
S
C
G
V
S
C
G
V
S
BK BR BL
RD BK BR BL
BK
BK
BR BL
WH
BL
BL
GN/YL
L2
L1
MAIN
POWER
FUS250V 2.5A
FUS250V 2.5A
FUS250V 2.5A
FUS250V 2.5A
OUTDOOR WIRING DIAGRAM
3854A20075K
BK
CAPACITOR
TRANS-
FORMER
CN-SV
CN-POWER
CN-COMP1
CN-COMP2
FUSE T3.15A
CN-TRANAS
RY-COMP A
RY-COMP B
RY-FAN1
MAIN DC
PCB ASSY
MAIN AC PCB ASSY
PILLAR
TERMINAL
TO INDOOR UNIT
B INDOOR
A INDOOR
CAPACITOR
BK
BK
BK
YL
BK
"A"
COMP
"B"
COMP
RD
RD
BL
WH WH
4
4
3
3
OLP
OLP
H
S
C
C
S
R
R
C
F
BK
OR
OR
BR
YL
MOTOR
BK
T/B1
BK
BK
YL
RD
BK
BK BR BL
OR
RD
C
G
V
S
C
G
V
S
C
G
V
S
C
G
V
S
BK BR BL
RD BK BR BL
BK
BK
BR BL
WH
BL
BL
GN/YL
L2
L1
MAIN
POWER
FUS250V 2.5A
FUS250V 2.5A
FUS250V 2.5A
FUS250V 2.5A
OUTDOOR WIRING DIAGRAM
3854A20075L
Wiring Diagram
1. INDOOR UNIT: LM-1830C2L/M, LM-1830H2L/M, LM-2430C2L/M, LM-2430H2L/M
2. OUTDOOR UNIT
• LM-1830C2L/M
• LM-2430C2L/M
• LM-1830H2L/M
• LM-2430H2L/M