LG LWC1213ACN, LWC1012ACG, LWC1213PAG, LWC1032ACG, LWC1031SCG Service Manual
...
Room Air Conditioner
SERVICE MANUAL
MODEL:
LWC1011ACG LWC1012ACG
LWC1211ACG LWC1212ACG
LWC1213AAG LWC1213ACN
LWC1213PAG LWC1031NCP/N/E
LWC1032ACG LWC1031SCG
LWC1031ACG LWC1232ACG/M/N
LWC1233ACG LWC1232PCG/M/N
LWC1233PCG LWC1232NCP/N
LWC1232SCG LWC1032PCG/TAS
LWC1232QCG/TAS LWC1232AAG
LWC123CGAA1 LWC123CGMJ1
LWC123CSAA1 LWC123CSMK1
LWC123CNAA1 LWC123CNMK1
CAUTION
- BEFORE SERVICING THE UNIT, READ THE "SAFETY
PRECAUTIONS" IN THIS MANUAL.
- ONLY FOR AUTHORIZED SERVICE.
—2—
POWER SUPPLY
COOLING CAPACITY (Btu/h)
INPUT (W)
RUNNING CURRENT (A)
E.E.R (BTU/W.h)
INDOOR (°C)
OUTDOOR (°C)
REFRIGERANT (R-22) CHARGE
EVAPORATOR
CONDENSER
FAN, INDOOR
FAN, OUTDOOR
FAN SPEEDS, FAN / COOLING
FAN MOTOR
OPERATION CONTROL
ROOM TEMP. CONTROL
AIR DIRECTION CONTROL
CONSTRUCTION
COMPRESSOR
PROTECTOR FAN MOTOR
ELECTRIC HEATER
POWER CORD
DRAIN SYSTEM
NET WEIGHT (lbs/kg)
OUTSIDE DIMENSION (inch)
(W x H x D) (mm)
1ø, 208~230V, 60Hz
10,000 12,000
1,020 970 1,000
4.9 4.6
9.8 12.0
26.7(DB)* 19.4(WB)**
35(DB)* 23.9(WB)**
510g (18 OZ) 390g (13.8 OZ)
2 ROW 13 STACKS LOUVERED-FIN TYPE
2 ROW 17 STACKS, LOUVERED-FIN TYPE
BLOWER TURBO
PROPELLER TYPE FAN WITH SLINGER-RING
2/3 3/3 2/3
6 POLES
ROTARY SWITCH WIRELESS REMOCON ROTARY SWITCH
THERMOSTAT THERMISTOR THERMOSTAT
VERTICAL LOUVER (RIGHT & LEFT)
HORIZONTAL LOUVER (UP & DOWN)
SLIDE IN-OUT CHASSIS
OVERLOAD PROTECTOR
INTERNAL THERMAL PROTECTOR
FUSE LINK, BIMETAL THERMOSTAT
(3 WIRE WITH GROUDING)
ATTACHMENT PLUG (CORD-CONNECTED TYPE)
DRAIN PIPE OR SPLASHED BY FAN SLINGER
90/41 95/43 97/44
23
5
/8 x 1431/32 x 225/16
600 x 380 x 567
LWC1031ACG,
LWC1032ACG
LWC1031NCN/P,
LWC1031SCG
LWC1032PCG,
LWC1032TAS
LWC123CNAA1
MODEL
ITEMS
OPERATING
CONDITION
* DB:Dry Bulb
**
WB:Wet Bulb
1. SPECIFICATIONS
•
MODELS :
LWC1031ACG/LWC1032ACG/LWC1031NCN/P, LWC1031SCG, LWC1032PCG/TAS, LWC123CNAA1
2 ROW 16 STACKS
LOUVERED-FIN TYPE
2 ROW 18 STACKS
LOUVERED-FIN TYPE
—3—
POWER SUPPLY
COOLING CAPACITY (Btu/h)
INPUT (W)
RUNNING CURRENT (A)
E.E.R (BTU/W.h)
INDOOR (°C)
OUTDOOR (°C)
REFRIGERANT (R-22) CHARGE
EVAPORATOR
CONDENSER
FAN, INDOOR
FAN, OUTDOOR
FAN SPEEDS, FAN / COOLING
FAN MOTOR
OPERATION CONTROL
ROOM TEMP. CONTROL
AIR DIRECTION CONTROL
CONSTRUCTION
COMPRESSOR
PROTECTOR FAN MOTOR
ELECTRIC HEATER
POWER CORD
DRAIN SYSTEM
NET WEIGHT (lbs/kg)
OUTSIDE DIMENSION (inch)
(W x H x D) (mm)
1ø, 208~230V, 60Hz
12,000
1,220 1,210 1,000
5.5 5.7 4.6
9.8 12.0
26.7(DB)* 19.4(WB)**
35(DB)* 23.9(WB)**
390g(13.8 Oz)/555g (19.5 OZ)
560g (19.7 OZ) 390g (13.8 OZ)
2 ROW 13 STACKS LOUVERED-FIN TYPE
2 ROW 17 STACKS, LOUVERED-FIN TYPE
BLOWER TURBO
PROPELLER TYPE FAN WITH SLINGER-RING
2/3 3/3
6 POLES
ROTARY SWITCH WIRELESS REMOCON
THERMOSTAT THERMISTOR
VERTICAL LOUVER (RIGHT & LEFT)
HORIZONTAL LOUVER (UP & DOWN)
SLIDE IN-OUT CHASSIS
OVERLOAD PROTECTOR
INTERNAL THERMAL PROTECTOR
FUSE LINK, BIMETAL THERMOSTAT
(3 WIRE WITH GROUDING)
ATTACHMENT PLUG (CORD-CONNECTED TYPE)
DRAIN PIPE OR SPLASHED BY FAN SLINGER
97/44
235/8 x 1431/32 x 225/16
600 x 380 x 567
LWC1232ACG/AAG,LWC1233ACG
LWC123CGAA1, LWC123CSAA1
LWC1232PCG/M, LWC1232NCP/N, LWC1232SCG,
LWC1233PCG, LWC123CGMJ1, LWC123CSMK1
LWC1232QCG/TAS
LWC123CNMK1
MODEL
ITEMS
OPERATING
CONDITION
* DB:Dry Bulb
**
WB:Wet Bulb
• MODELS : LWC1232ACG/AAG, LWC1233ACG, LWC1232PCG/M, LWC1232NCP/N, LWC1232SCG, LWC1233PCG,
LWC1232QCG/TAS, LWC123CGAA1, LWC123CSAA1, LWC123CGMJ1, LWC123CSMK1, LWC123CNMK1
2 ROW 16 STACKS
LOUVERED-FIN TYPE
2 ROW 18 STACKS
LOUVERED-FIN TYPE
—4—
TEMPERATURE SETTING
• This button can automatically control the temperature of the room.
The temperature can be set within a range of 60°F to 86°F by 1°F.(16˚C to 30˚C by 1˚C)
Select the lower number for lower temperature of the room.
FAN SPEED
• Everytime you push this button it is set as follows. {High(F3) → Low(F1) → Med(F2) → High(F3)...}.
POWER
• To turn the air conditioner ON, push the button. To turn the air conditioner OFF, push the button again.
• This button takes priority over any other buttons.
• When you first turn it on, the air conditioner is on the High cool mode and the temp. at 72°F(22˚C).
MODE
• Everytime you push this button, it will toggle between Cool, Fan and Dry.
AUTO SWING (Optional)
• The vertical louver swings horizontally by the automatic system and stops when you press
the button again.
ON/OFF TIMER
• Remote controller
Precaution: The Remote Controller will not function properly if strong light strikes the sensor window of the air conditioner or
if there are obstacles between the Remote Controller and the air conditioner.
1
2
3
4
5
6
1
2
3
4
5
6
1
4
5
3
6
2
- STOPPING OPERATION
• Everytime you push this button, when the air conditioner is operating, timer is set as follows. (1Hour
→ 2Hours → 3Hours → 4Hours → 5Hours → 6Hours → 7Hours → 8Hours → 9Hours → 10Hours →
11Hours → 12Hours → Cancel)
• The Setting Temperature will be raised by 2°F(1°C) 30min. later and by 2°F(1°C) after another 30 min.
- STARTING OPERATION
• Everytime you push this button, when the air conditioner is not operating, timer is set as follow.
(1Hour → 2Hours → 3Hours → 4Hours → 5Hours → 6Hours → 7Hours → 8Hours → 9Hours
10Hours → 11Hours → 12Hours → Cancel)
FAN SPEED
• Everytime you push this button it is set as follows.
{High(F3)
→
Low(F1)
→
Med(F2)
→
High(F3)...}.
REMOCON SIGNAL RECEIVER
MODE
• Everytime you push this button, it will toggle
between Cool, Fan and Dry.
POWER
• To turn the air conditioner ON, push the button.
To turn the air conditioner OFF, push the button again.
• This button takes priority over any other buttons.
• When you first turn it on, the air conditioner is on the
High cool mode and the temp. at 72°F(22˚C)
TEMPERATURE SETTING
• This button can automatically control the temperature
of the room. The temperature can be set within a range
of 60°F to 86°F by 1°F.(16˚C to 30˚C by 1˚C)
Select the lower number for lower temperature of the room.
AUTO RESTART SWITCH
In failure of electric power, if the switch is set to "ON",
the unit runs unit runs as previous setting operation
when power returns.
ON/OFF TIMER
• Everytime you push this button, timer is set as follows.
(1Hour
→
2Hours
→
3Hours
→
4Hours
→
5Hours
→
6Hours
→
7Hours
→
8Hours
→
9Hours
→
10Hours
→
11Hours
→
12Hours
→
Cancel)
• The Setting Temperature will be raised by 2°F(1˚C) 30min.
later and by 2°F after another 30 min.
AUTO SWING (Optional)
The vertical louver swings horizontally by the automatic
system and stops when you press the button again.
2. COOLING ONLY MODEL WITH REMOTE CONTROL AND TOUCH TYPE
• DISPLAY
—5—
3. WIRING DIAGRAM
1
6
4
5
2
7
3
9
8
1
6
4
5
2
7
3
9
8
MOTOR
RD
BK
BL BL
BK
RD
BR
BR
BL BR BL
OR(BR)
BK
RD RD
BK
OR(BR)
YL
F
C
H
CAPACITOR
PTC
R
C
COMP.
TRANSFORMER
SYNC.
MOTOR
S
RD
THERMISTOR
BK
OR(BR)
BK(BR)
POWER INPUT
(Plain)
CN-TH1
RY-LO
RY-MED
RY-SYNC
CN-SYNC
CN-DISP1CN-DISP2
DISPLAY P.W.B ASSY
RY-COMP
ZNR01J
MAIN P.W.B ASSY
FUSE 250V/2A
43
RY-HI
GN(GN/YL)
WH(BL)
(Ribbed)
YL
OLP
WH(BL)
POWER INPUT
BK(BR)
(Ribbed) (Plain)
GN/YL
(GN)
GN/YL(GN)
THERMISTOR
BK BK
BLRDBL
RD
CN-TH1
YL YL
OR(BR) OR(BR)
OR(BR)
SYNC
MOTOR
RY-LO
RY-HI
CN-WORK
CN-SYNC CN-DISP
DISPLAY P.W.B ASM
RY-SYNC
250V/T2A
(115V/T2A)
TRANS
FORMER
ZNR
RY-COMP
MAIN P.W.B ASM
BK
BK
BR
BR
RD
BL BL
OLP
RD
MOTOR
CAPACITOR
F
R
S
COMP.
C
C
H
3854AR2330P
WIRING DIAGRAM
RY-MID
FUSE
RD
BK
PTC
43
S: Service Parts
N: Non Service Parts
1 POWER CORD ASSY 1 S
2 MOTOR ASSY 1 S
3 COMPRESSOR 1 S
4 MAIN P.W.B ASSY 1 S
5 DISPLAY P.W.B ASSY 1 S
6 THERMISTOR 1 S
7 CAPACITOR 1 S
8 CONNECTOR ASSY 1 S
9
OVERLOAD PROTECTOR
1S
LOCATION
NO.
DESCRIPTION
RE-
MARKS
Q'TY
PER SET
• MODELS :
LWC1031NCP/N, LWC1232PCG/M,
LWC1233PCG, LWC1232NCP/N
• MODELS :
LWC1032PCG, LWC1232QCG
LWC123CGMJ1, LWC123CSMK1
LWC123CNMK1
—6—
1
6
4
5
2
7
3
9
8
10
WIRING DIAGRAM
MOTOR
RD
BK
BL BL
BK
RD
BR
BR
BL BR BL
OR(BR)
BK
RD RD
BK
OR(BR)
YL
F
C
H
CAPACITOR
PTC
R
C
COMP.
TRANSFORMER
SYNC.
MOTOR
S
RD
THERMISTOR
BK
OR(BR)
BK(BR)
POWER INPUT
(Plain)
CN-TH1
RY-LO
RY-MED
RY-SYNC
CN-SYNC
CN-DISP1CN-DISP2
DISPLAY P.W.B ASSY
RY-COMP
ZNR01J
MAIN P.W.B ASSY
FUSE 250V/T2A
43
RY-HI
GN(GN/YL)
WH(BL)
(Ribbed)
YL
OLP
RD
ION
H.V.B
GN
(GN/YL)
COMP.
MOTOR
WH(BL)
POWER INPUT
(Plain)
GN(GN/YL)
BK(BR)
(Ribbed)
WIRING DIAGRAM 3854AR3563A
BL
BL
RD
BK
R
C
S
YL
YL
RD
BK
BL
RD
ROTARY SWITCH
BK
BL
L718
6
4
2
H
M
OR(BR)
OR(BR)
BL
RD
BK
THERMOSTAT
CAPACITOR
P.T.C
RD
BK
F
C
H
BR(YL)
OLP
2
7
4
3
1
5
6
S: Service Parts
N: Non Service Parts
1 POWER CORD ASSY 1 S
2 MOTOR ASSY 1 S
3 COMPRESSOR 1 S
4 MAIN P.W.B ASSY 1 S
5 DISPLAY P.W.B ASSY 1 S
6 THERMISTOR 1 S
7 CAPACITOR 1 S
8 CONNECTOR ASSY 1 S
9
OVERLOAD PROTECTOR
1S
10 H.V ASSY 1 S
LOCATION
NO.
DESCRIPTION
RE-
MARKS
Q'TY
PER SET
S: Service Parts
N: Non Service Parts
1 POWER CORD ASSY 1 S
2 MOTOR ASSY 1 S
3 COMPRESSOR 1 S
4 THERMOSTAT 1 S
5 CAPACITOR 1 S
6
OVERLOAD PROTECTOR
1S
7 ROTARY SWITCH 1 S
LOCATION
NO.
DESCRIPTION
RE-
MARKS
Q'TY
PER SET
LWC1031SCG, LWC1232SCG
LWC1232AAG, LWC123CGAA1, LWC123CSAA1
LWC123CNAA1
—7—
4. SCHEMATIC DIAGRAMS
• MODELS :
LWC1031NCP/N, LWC1232PCG/M, LWC1232NCP/N, LWC1233PCG, LWC1032PCG/TAS,
LWC1232QCG/TAS, LWC123CGMJ1/CSMK1/CNMK1
—8—
• MODELS : LWC1031SCG, LWC1232SCG
—9—
5. COMPONENTS LOCATION
5.1 FOR MAIN P.C.B ASM
• MODELS :
LWC1031NCP/N, LWC1232NCN/P, LWC1232PCG/M, LWC1233PCG, LWC1032PCG/TAS,
LWC1232QCG/TAS
• MODELS : LWC1031SCG, LWC1232SCG
—10—
• MODELS : LWC123CSMK1, LWC123CNMK1
5.2 COMPONENTS LOCATION (OF DISPLAY P.C.B ASM)
• MODELS : LWC123CGMJ1
B
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