AS-C0764DM0, AS-H0764DM0, LS-C1264DM0, LS-H0764DM0, AS-C0964DM0, AS-H0964DM0, LS-C1865DM0, LS-H0964DL0, AS-C1264DM0, AS-H1264DM0, LS-C2665DM0, LS-H1264DM0, AS-C1865DM0, AS-H1865DM0, LS-H1865DM0, AS-C2465DM0, AS-H2465DM0, LS-H2665DM0, AS-C0764DB0, AS-H0764GM0, LS-H2465DM0, AS-C0964DB0, AS-H0964GM0, AS-C1264DB0, AS-H1264GM0, AS-C1865DB0, AS-H1865GM0, AS-C2465DB0, AS-H2465GM0 — LG Air Conditioner Service Manual (repair manual)

Model
AS-C0764DM0 AS-H0764DM0 LS-C1264DM0 LS-H0764DM0 AS-C0964DM0 AS-H0964DM0 LS-C1865DM0 LS-H0964DL0 AS-C1264DM0 AS-H1264DM0 LS-C2665DM0 LS-H1264DM0 AS-C1865DM0 AS-H1865DM0 LS-H1865DM0 AS-C2465DM0 AS-H2465DM0 LS-H2665DM0 AS-C0764DB0 AS-H0764GM0 LS-H2465DM0 AS-C0964DB0 AS-H0964GM0 AS-C1264DB0 AS-H1264GM0 AS-C1865DB0 AS-H1865GM0 AS-C2465DB0 AS-H2465GM0
Pages
86
Size
3.67 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner
File
as-c0764dm0-as-h0764dm0-ls-c1264dm0-ls-h0764dm0-as.zip
Date

View LG AS-C0764DM0 / AS-H0764DM0 / LS-C1264DM0 / LS-H0764DM0 / AS-C0964DM0 / AS-H0964DM0 / LS-C1865DM0 / LS-H0964DL0 / AS-C1264DM0 / AS-H1264DM0 / LS-C2665DM0 / LS-H1264DM0 / AS-C1865DM0 / AS-H1865DM0 / LS-H1865DM0 / AS-C2465DM0 / AS-H2465DM0 / LS-H2665DM0 / AS-C0764DB0 / AS-H0764GM0 / LS-H2465DM0 / AS-C0964DB0 / AS-H0964GM0 / AS-C1264DB0 / AS-H1264GM0 / AS-C1865DB0 / AS-H1865GM0 / AS-C2465DB0 / AS-H2465GM0 Service Manual online

LG 
Room Air Conditioner
SERVICE MANUAL
LG
MODELS: AS-C0764DM0
AS-H0764DM0
LS-C1264DM0 LS-H0764DM0
AS-C0964DM0
AS-H0964DM0
LS-C1865DM0 LS-H0964DL0
AS-C1264DM0
AS-H1264DM0
LS-C2665DM0 LS-H1264DM0
AS-C1865DM0
AS-H1865DM0
LS-H1865DM0
AS-C2465DM0
AS-H2465DM0
LS-H2665DM0
AS-C0764DB0
AS-H0764GM0
LS-H2465DM0
AS-C0964DB0
AS-H0964GM0
AS-C1264DB0
AS-H1264GM0
AS-C1865DB0
AS-H1865GM0
AS-C2465DB0
AS-H2465GM0
CAUTION
• BEFORE SERVICING THE UNIT, READ THE SAFETY 
PRECAUTIONS IN THIS MANUAL.
• ONLY FOR AUTHORIZED SERVICE PERSONNEL.
Room Air Conditioner
Air Conditioner Service Manual
TABLE OF CONTENTS
LG Model Name ...............................................................................................................................................3
Safety Precautions
..........................................................................................................................................5
Dimensions
....................................................................................................................................................10
Symbols Used in this Manual ...................................................................................................................10
Indoor Unit................................................................................................................................................10
Outdoor Unit .............................................................................................................................................12
Installation .....................................................................................................................................................16
Selection of the Best Location..................................................................................................................16
Piping Length and Elevation.....................................................................................................................16
How to Fix Installation Plate .....................................................................................................................17
Drill a Hole in the Wall ..............................................................................................................................17
Drain hose junction...................................................................................................................................17
Flaring work and connection of piping .......................................................................................................18
Flaring work..............................................................................................................................................18
Connection of Piping Indoor .....................................................................................................................18
Connection of the Pipes-Outdoor .............................................................................................................22
Connecting the cable between indoor unit and outdoor unit ...................................................................23
Connect the Cable to the Indoor Unit. ......................................................................................................23
Connect the Cable to the Outdoor Unit ....................................................................................................24
Checking the drainage and forming the pipings........................................................................................25
Checking the Drainage.............................................................................................................................25
Form the Piping ........................................................................................................................................25
AIR PURGING ................................................................................................................................................26
Air purging ................................................................................................................................................26
Air purging with vacuum pump .................................................................................................................26
Test Running .................................................................................................................................................28
Operation 
.......................................................................................................................................................29
Function of Controls .................................................................................................................................29
Display Function ......................................................................................................................................33
Self-diagnosis Function ............................................................................................................................33
Remote Control Operations......................................................................................................................34
Disassembly ..................................................................................................................................................35
Indoor Unit................................................................................................................................................35
Troubleshooting Guide .................................................................................................................................38
Refrigeration Cycle Diagram ....................................................................................................................38
2-way,  3-way Valve  .................................................................................................................................39
Cycle Parts ...............................................................................................................................................45
Electronic Parts ........................................................................................................................................46
Schematic Diagram.......................................................................................................................................53
Electric Control Device .............................................................................................................................53
Wiring Diagram.........................................................................................................................................54
Components Location ..............................................................................................................................57
Product Specifications .................................................................................................................................59
Exploded View
...............................................................................................................................................64
Replacement Parts List 
................................................................................................................................67
Service Manual  3
LG Model Name
2003
1
2
-
3
4
5
6
7
8
9
10
Code 
Type
Code of Model
Meaning
1
Producing Center, 
A~Z
L: Chang-won R22
N: India
Refrigerant
A: Chang-won R410A
Z: Brazil
C: Chang-won R407C
D: Indonesia
T: China
M: Mexico
K: Turkey R22
V: Vietnam
E: Turkey R410A
S: Out Sourcing
H: Thailand
2
Product Type
A~Z
S: Split Type Air Conditioner
3
Cooling/Heating/Inverter
A~Z
C: Cooling only
H: Heat pump
X: C/O + E/Heater
Z: H/P + E/Heater
V: AC Inverter C/O
N: AC Inverter H/P
Q: DC Inverter C/O
W: DC Inverter H/P
4, 5
Capacity
0~9
Cooling/Heating Capacity
Ex. "09" 
9,000 Btu/h
6
Electric Range
1~9
1: 115V/60Hz,
A: 220V, 50Hz, 3Phase
A~Z
2: 220V/60Hz
B: 208~230V, 60Hz, 3Phase
3: 208-230V/60Hz 
C: 575V, 50Hz, 3Phase
5: 200-220V/50Hz
D: 440~460, 60Hz, 3Phase
6: 220-240V/50Hz
E: 265V, 60Hz
7: 110V, 50/60Hz
F: 200V, 50/60Hz
8: 380-415V/50Hz
9: 380-415V/60Hz
7
Chassis
A~Z
Name of Chassis of Unit
Ex. LSP 
SP Chassis
8
Look
A~Z
Look,
Color (Artcool Model)
9
Function
A~Z
10
Serial No.
1~9
LG Model De
* ARTCOOL COLOR
velopment Serial No.
Basic
A
Basic+4Way
B
Plasma Filter
C
Plasma Filter+4 Way
D
Tele+LCD
E
Tele+LCD+Nano plasma+4Way
F
Nano Plasma F+(A/changeove)+A/clean+Low A
G
Nano Plasma F+(A/changeove)+A/clean+4way+Low A
H
Tele+LED+4way
I
Internet
J
Plasma F+4Way+Oxy generator
K
Nano Plasma F+(A/changeove)+A/clean
L
Nano Plasma F+(A/changeove)+A/clean+4way
M
Nano Plasma F+(A/changeove)+A/clean+PTC
N
Nano Plasma F+(A/changeove)+Autoclean+4way+PTC
P
Nano Plasma F+(A/changeove)+A/clean+4way+Low A+PTC
Q
Negative ION+A/Clean
R
(Nano)Plasma+Negative ION+A/Clean
S
4way+(Nano)Plasma F+Negative ION+Healthy dehumidification+A/Clean
T
Nano Plasma F+4Way+(A/changeove)+A/clean+
U
R
Mirror
W
White
B
Blue
D
Wood
M
Metal
C
Cherry
Room Air Conditioner
2004~
1
2
-
3
4
5
6
7
8
9
10
Code 
Type
Code of Model
Meaning
1
Producing Center, 
A~Z
L
Chang_won R22       
A
Chang_won R410A       
C  Chang_won R407C       
T
China       
K
Turkey R22       
E  Turkey R410A       
H
Thailand       
 N India       
 Z  Brazil       
 D Indonesia       
 X Mexico       
 V  Vietnam       
 S Out sourcing 
Refrigerant
2
Product Type
A~Z
S: Split Type Air Conditioner
3
Cooling/Heating/Inverter
A~Z
C: Cooling only
H: Heat pump
X: C/O + E/Heater
Z: H/P + E/Heater
V: AC Inverter C/O
N: AC Inverter H/P
Q: DC Inverter C/O
W: DC Inverter H/P
4, 5
Capacity
0~9
Cooling/Heating Capacity
Ex. "09" 
9,000 Btu/h
6
Electric Range
1~9
1: 115V/60Hz,
A: 220V, 50Hz, 3Phase
A~Z
2: 220V/60Hz
B: 208~230V, 60Hz, 3Phase
3: 208-230V/60Hz 
C: 575V, 50Hz, 3Phase
5: 200-220V/50Hz
D: 440~460, 60Hz, 3Phase
6: 220-240V/50Hz
E: 265V, 60Hz
7: 110V, 50/60Hz
F: 200V
CHASSIS
Look
D
K
L
G
M
N
D
P
Division
Panel Type(Deluxe)
Fighting 'Look'
(LG1)
(LG2)-SEMI PANEL
OEM1
OEM2
Panel Type(Deluxe)
LG3
, 50/60Hz
8: 380-415V/50Hz
9: 380-415V/60Hz
7
Chassis
A~Z
Name of Chassis of Unit
Ex. LSP 
SP Chassis
8
Look
A~Z
Look,
Color (Artcool Model)
9
Function
A~Z
10
Serial No.
1~9
LG Model De
* ARTCOOL COLOR
velopment Serial No.
R
Mirror
W
White
B
Blue
D
Wood
M
Metal
C
Cherry
S4/S5
S6
SQ
SR
ST
Basic
A
Basic+4Way
B
Plasma Filter
C
Plasma Filter+4 Way
D
Tele+LCD
E
Tele+LCD+Nano plasma+4Way
F
NBF  F+(A/changeove)+A/clean+Low A 
G
NBF  F+(A/changeove)+A/clean+4way+Low A 
H
Tele+LED+4way
I
Internet
J
Plasma F+4Way+Oxy generator 
K
NBF F+(A/changeove)+A/clean
L
NBF F+(A/changeove)+A/clean+4way
M
NBF F+(A/changeove)+A/clean+PTC 
N
NBF F+(A/changeove)+Autoclean+4way+PTC
P
NBF F+(A/changeove)+A/clean+4way+Low A+PTC 
Q
(Nano)Plasma+ION+A/Clean S
4way+(Nano)Plasma F+Negative ION+Healthy dehumidification+A/Clean
T
Nano Plasma F+4Way+(A/changeove)+A/clean+Oxy generator
U
4way+(Nano)Plasma F+Negative ION+Healthy dehumidification+A/Clean+Oxy generator  
V
Dry contact
W
Wire remocon
 8
Page of 86
Display

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  • Disassembly, troubleshooting, programming, maintenance, remote, adjustment, installation and setup instructions.
  • Schematics, wiring and block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Parts list (bill of materials).