LG AMNH076LQL0 Service Manual page 145

5. Outdoor Unit
1. A2UW186FA0
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
3. A4UW306FA0
INVERTER
COMPRESSOR
RD BL YL
RD BL YL
U V W
CN-COIL1
LEV
LEV
LEV
LEV
CN-TH1
CN-TH2
(H/SINK)
(AIR/PIPE)
CN-COM
L N
BL
BR 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
OUTDOOR WIRING DIAGRAM
REACTOR
OR
CN-FAN(A)
BL
BK BK
BK
FAN
BR
YL
CN-COIL1 CN-COIL2
MAIN
PCB
4WAY
CN-4WAY 4WV
VALVE
CN-TH1
CN-TH2
CN-TH3
(H/SINK)
(AIR/PIPE) (DISP-I/SUG)
LOW PRESS
SWITCH
CN-PRESS
CN-GND1 CN-GND2
BK
BK
3854A20354A
OUTDOOR WIRING DIAGRAM
REACTOR
OR
CN-FAN(A) BL
BK BK
BK
FAN(A)
BR
YL
OR
CN-COIL2
BL
CN-FAN(B)
BK
FAN(B)
BR
YL
CN-4WAY 4WV 4WAY VALVE
MAIN
PCB
CRANKCASE
CN-HEATER
HEATER
CN-TH3 CN-TH4 OPTION
DEFROST
SV
CN-P/ICE
(HEATING)
(DISP-I/SUG) (DISP-C)
LOW PRESS
CN-PRESS
SWITCH
OIL SEPERATOR
CN-OIL/S
SV
CONSTANT
RY-C/COMP COMPRESSOR
BR
BR
C
BL
R
RD
BR
S
GND-1 GND-2
BL
BL
3(L) 4(N) 5(C) 5(D)
3854A20354C
2. A3UW246FA0
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)
A ROOM B ROOM C ROOM
POWER SUPPLY
TO INDOOR UNIT
4. A6UW406FA0
INV-COMP
RD BL YL
RD BL YL
U V W CN-COIL1 CN-COIL2
LEV
TH1
TH2
(H/SINK)
(AIR/PIPE)
WH
BK
NOISE FILTER
FUSE
250V,20A
L N
GND-2
GN/YL
BL
BR
1(L) 2(N) 1(L) 2(N)
Power Supply
LEV LEV LEV
A B C
CN-LEV-A CN-LEV-B CN-LEV-C
LED1 LED2 LED3
BRANCH DISTRIBUTOR-(A)
CN-ROOM-A CN-ROOM-B CN-ROOM-C
L N S
L N S L N S L N S
CN-PWR
A B C
TO INDOOR UNIT
Schematic Diagram
OUTDOOR WIRING DIAGRAM
REACTOR
OR
CN-FAN(A)
BL
BK BK
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
5(B) 3(L) 4(N) 5(C)
3854A20354B
WIRING DIAGRAM
REACTOR
OR
BL
BK BK
FAN
BK
BR
(A)
CN-FAN(A)
YL
OR
BL
FAN
BK
BR
MAIN (B)
CN-FAN(B)
YL
PCB
4WAY VALVE
CN-4WAY 4WV
TH3 TH4
YL
OPTION
CRANKCASE
CN-HEATER
HEATER
(I/SUC-DISP) (DISP-C)
CN-OIL/S SV OIL SEPERATOR(INV)
WH
LOW PRESSURE
CN-PRESS
SWITCH
RELAY
CONS-COMP
R
BL
RD S C
GND-1
BR
BL
BR
BL
GN/YL
BR
T/B
BR BR
3(A) 3(B)
LEV LEV LEV
D E F
CN-LEV-A CN-LEV-B CN-LEV-C
LED1 LED2 LED3
BRANCH DISTRIBUTOR-(B)
CN-ROOM-A CN-ROOM-B CN-ROOM-C
L N S
L N S L N S L N S
CN-PWR
D E F
TO INDOOR UNIT
3854A20354G
Service Manual 145