LG AMNH12GD4L0 User Manual

Service Manual 159
Schematic Diagram
INVERTER
COMPRESSOR
RD BL YL
RD
LEV
LEV
CN-COM
LN
BL YL
BK BK
OR
BL
BK
BR
YL
REACTOR
CN-FAN(A)
FAN
CN-4WAY
CN-TH2
CN-TH1
CN-TH3
CN-PRESS
CN-GND2CN-GND1
(DISP-I/SUG)
(AIR/PIPE)
(H/SINK)
4WV
4WAY
VALVE
CN-COIL2CN-COIL1
MAIN
PCB
OUTDOOR WIRING DIAGRAM
CN-LEV1CN-LEV2
CN-CENTRAL
CN-JIG-PC
CN-WRITER
BR
BK
WH
BL
UVW
BR
BK
BK
GN/YL
1(L) 2(N) 1(L) 2(N) 3(A) 3(B)
POWER SUPPLY
TO INDOOR UNIT
A ROOM B ROOM
BL
3854A20354L
OUTDOOR WIRING DIAGRAM
INVERTER
COMPRESSOR
RD BL YL
RD BL YL
LEV
LEV
LEV
CN_LEV1
CN_LEV3
CN_LEV2
UVW
CN_4WAY
CN_COM
GND_1 GND_2
4WV
4WAY VALVE
MAIN
PCB
CN _ TH2
CN
_ TH1
CN
_ TH3
(DISP
_ I/SUG)
(AIR/PIPE)
(H/SINK)
CN_CENTRAL
CN_JIG_PC
CN_WRITER
BK BK
REACTOR
CN_COIL2CN_COIL1
OR
BL
BK
BR
YL
CN_FAN(A)
FAN
BK
BL
BR
WH
RD
LN
BRBR
BLBL
1(L) 2(N) 3(L) 4(N) 5(A) 3(L) 4(N) 5(C)5(B)
POWER SUPPLY
TO INDOOR UNIT
A ROOM B ROOM C ROOM
3854A20354J
CN_PRESS
LOW PRESSURE
SWITCH
OUTDOOR WIRING DIAGRAM
INVERTER
COMPRESSOR
RD BL YL
RD BL YL
LEV
LEV
LEV
CN-LEV1
CN-LEV3
CN-LEV2
UVW
CN-4WAY
CN-HEATER
CN-P/ICE
CN-PRESS
CN-OIL/S
RY-C/COMP
CN-COM
GND-1 GND-2
CRANKCASE
HEATER
DEFROST
(HEATING)
OPTION
4WV
4WAY VALVE
MAIN
PCB
CN-TH2
CN-TH1
CN-TH3 CN-TH4
(DISP-I/SUG) (DISP-C)
(AIR/PIPE)
(H/SINK)
CN-CENTRAL
CN-JIG-PC
CN-WRITER
BK BK
REACTOR
CN-COIL2CN-COIL1
OR
BL
BR
RD
BL
BK
BR
YL
CN-FAN(A)
FAN
LOW PRESS
SWITCH
OIL SEPERATOR
CONSTANT
COMPRESSOR
C
R
S
BK
BL
BR
WH
RD
BR
LN
BRBR
BL
BLBL
1(L) 2(N) 3(L) 4(N) 5(A) 3(L) 4(N) 5(C) 5(D)5(B)
POWER SUPPLY
TO INDOOR UNIT
A ROOM B ROOM C ROOM D ROOM
SV
SV
3854A20354M
OLP
WIRING DIAGRAM
MAIN
PCB
INV-COMP(A)
RD BL YL
RD
U
CN-LEV1
CN-CENTRAL
CN-JIG-PC
CN-OIL/S
CN-PRESS
CN-HEATER2
CN-C/FAN
CN-4WAY
CN-C/COMP2
FAN
(A)
CN-COIL1 CN-COIL2
CN-FAN(A)
LEV
CN-COM
CN-LEV-A
CN-ROOM-A
LNS LNS LNS
LNS
CN-ROOM-B CN-ROOM-C
CN-PWR
LED-1 LED-2 LED-3
CN-LEV-B CN-LEV-C
GND-2 GND-1
CN-WRITER
VW
TH2
LN
1(L)
LEV
A
LEV
B
LEV
C
CN-LEV-A
CONS-COMP(B)
OIL
SEPERATOR
LOW PRESSURE
SWITCH
COOLING FAN
OPTION
CRANKCASE
HEATER_2
4WAY
VALV E
4WV
SV
FM
CN-LEV-B CN-LEV-C
LEV
E
LEV
F
LEV
G
Power Supply
BRANCH DISTRIBUTOR-(A)
LED-1 LED-2 LED-3
BRANCH DISTRIBUTOR-(B)
ABC
LNS
CN-ROOM-D
LED-4
CN-LEV-D
LEV
D
D
TO INDOOR UNIT
CN-ROOM-A
LNS LNS LNS
LNS
CN-ROOM-B CN-ROOM-C
CN-PWR
EFG
CN-LEV-C
LEV
H
LED-4
LNS
CN-ROOM-D
H
3854A20354K
Only 8Rooms Model
TO INDOOR UNIT
2(N) 1(L) 2(N) 3(A) 3(B)
(AIR/PIPE)
(H/SINK)
(SUC/DISP_I)
(DISP-C)
TH1
TH3 TH4
BL
BK BK
OR
BL
RD
BK
BR
YL
REACTOR
BL
BL
BL
BL
BR BL
BR
WH
BR
BR
BL
BL
RY-C/COMP
T/B
T/B
BR
GN/YL
GN/YL
BR
BK BK
NOISE FILTER
FUSE
250V,20A
YL
CN-HEATER
OPTION
CRANKCASE
HEATER
CONS-COMP(C)
PTCR
C
R
S
RD
C
R
S
5. A2UW146FA0, A2UW146FA1 6. A3UW186FA0, A3UW186FA1
7. A4UW246FA0 8. A7UW486FA0, A8UW586FA0 9. A2UW146FA2, A2UW166FA0/1

LG AMNH12GD4L0 Specifications

General

Brand	LG
Model	AMNH12GD4L0
Category	Air Conditioner
Language	English