LG AMNH076LQL0 Service Manual page 146

Schematic Diagram
5. A2UW146FA0
INVERTER
COMPRESSOR
RD BL YL
RD BL YL
U V W
LEV
LEV
CN-COM
L N
BL
BR
1(L) 2(N) 1(L) 2(N) 3(A) 3(B)
GN/YL
POWER SUPPLY A ROOM B ROOM
TO INDOOR UNIT
7. A4UW246FA0
INVERTER
COMPRESSOR
RD BL YL
RD BL YL
U V W
CN-COIL1
LEV
LEV
LEV
CN-TH1
CN-TH2
(H/SINK)
(AIR/PIPE)
CN-COM
L N
BL
BR
1(L) 2(N) 3(L) 4(N) 5(A) 5(B)
A ROOM B ROOM C ROOM D ROOM
POWER SUPPLY
TO INDOOR UNIT
146 Multi type Air Conditioner
OUTDOOR WIRING DIAGRAM
REACTOR
OR
CN-FAN(A)
BL
BK BK
BK
FAN
BR
YL
CN-COIL1 CN-COIL2
MAIN
4WAY
PCB CN-4WAY 4WV
VALVE
CN-PRESS
CN-TH1
CN-TH2
CN-TH3
(H/SINK)
(DISP-I/SUG)
(AIR/PIPE)
CN-GND1 CN-GND2
BK
BK
3854A20354L
OUTDOOR WIRING DIAGRAM
REACTOR
OR
CN-FAN(A)
BK BK BL
BK
FAN
BR
YL
CN-COIL2
CN-4WAY 4WV 4WAY VALVE
MAIN
PCB
CRANKCASE
CN-HEATER
HEATER
CN-TH3 CN-TH4
OPTION
DEFROST
CN-P/ICE SV
(HEATING)
(DISP-I/SUG) (DISP-C)
LOW PRESS
CN-PRESS
SWITCH
OIL SEPERATOR
CN-OIL/S SV
CONSTANT
RY-C/COMP OLP COMPRESSOR
BR
C
BL
R
RD
S
GND-1 GND-2
BR
BL
BL
BR
3(L) 4(N) 5(C) 5(D)
3854A20354M
6. A3UW186FA0
INVERTER
COMPRESSOR
RD BL YL
RD BL YL
U V W
CN_COIL1
LEV
LEV
LEV
_
CN
_
CN TH2
(H/SINK)
(AIR/PIPE)
CN_COM
L N
BL
BR
1(L) 2(N) 3(L) 4(N) 5(A) 5(B)
A ROOM B ROOM C ROOM
POWER SUPPLY
TO INDOOR UNIT
8. A7UW486FA0, A8UW586FA0
INV-COMP(A)
RD BL YL
RD BL YL
U V W
LEV
TH1
TH2
(H/SINK)
(AIR/PIPE)
NOISE FILTER
FUSE
250V,20A
L N
GND-2
BK
GN/YL
BL
BR
1(L) 2(N) 1(L) 2(N)
Power Supply
LEV LEV LEV LEV
A B C D
CN-LEV-A CN-LEV-B CN-LEV-C CN-LEV-D
LED-1 LED-2 LED-3 LED-4
BRANCH DISTRIBUTOR-(A)
CN-ROOM-A CN-ROOM-B CN-ROOM-C CN-ROOM-D
L N S
L N S L N S L N S L N S
CN-PWR
A B C D
TO INDOOR UNIT
OUTDOOR WIRING DIAGRAM
REACTOR
OR
CN_FAN(A)
BL
BK BK
BK
FAN
BR
YL
CN_COIL2
4WV 4WAY VALVE
CN_4WAY
MAIN
PCB
TH1
_
CN TH3
LOW PRESSURE
CN_PRESS
SWITCH
_
(DISP I/SUG)
GND_1 GND_2
BL
BR
3(L) 4(N) 5(C)
3854A20354J
WIRING DIAGRAM
REACTOR
OR
BL
CN-FAN(A)
BK BK FAN
BK
BR
(A)
YL
CONS-COMP(C)
4WAY
CN-COIL1 CN-COIL2 4WV
CN-4WAY
VALVE
BR
C
BL R S
MAIN
PCB
CN-C/COMP2
RD
PTCR
TH3 TH4
OPTION
CRANKCASE BR BL
CN-HEATER
HEATER
OPTION
CRANKCASE
CN-HEATER2
(SUC/DISP_I) (DISP-C)
HEATER_2
FM COOLING FAN
CN-C/FAN
OIL
CN-OIL/S SV
SEPERATOR
LOW PRESSURE
CN-PRESS
SWITCH
CONS-COMP(B)
RY-C/COMP
GND-1
WH
C
BK BR BL
R S
RD
BL
T/B
GN/YL
BR
T/B
BL
3(A) 3(B)
LEV LEV LEV LEV
E F G H
CN-LEV-A CN-LEV-B CN-LEV-C CN-LEV-C
LED-1 LED-2 LED-3 LED-4
BRANCH DISTRIBUTOR-(B)
CN-ROOM-A CN-ROOM-B CN-ROOM-C CN-ROOM-D
L N S
L N S L N S L N S L N S
CN-PWR
Only 8Rooms Model
E F G H
TO INDOOR UNIT
3854A20354K