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-C0964DA0 / LS-H1865DM0 / AS-C2465DM0 / AS-H2465DM0 / LS-C0964DM0 / LS-H2665DM0 / AS-C0764DB0 / AS-H0764GM0 / LS-C1865DB0 / LS-H2465DM0 / AS-C0964DB0 / AS-H0964GM0 / LS-C1264DA0 / LS-H0964DM0 / AS-C1264DB0 / AS-H1264GM0 / LS-C2465DB0 / AS-C1865DB0 / AS-H1865GM0 / LS-C2465GB0 / AS-C2465DB0 / AS-H2465GM0 / LS-C1865DM1 / LS-C1865GB0 / LS-C2665DM1 / AS-C0764DH0 / AS-C0964DH0 / AS-C1264DH0 / AS-C1865DH0 / AS-C2465DH0 / AS-C0964DA0 / AS-C1264DA0 / AS-C0964GA0 / AS-C1264GA0 / AS-C1865GB0 / AS-C2465GB0 / AS-H0964DA0 / AS-H1264DA0 / AS-H1865DB0 / LS-C1264DM1 / AS-H2465DB0 / LS-C1264GA0 / AS-H0964GA0 / LS-C1264GB0 / AS-H1264GA0 / LS-C0964DM1 / AS-H1865GB0 / AS-H2465GB0 / AS-H2465DM1 / LS-H0964DY0 / LS-H1264DY0 / LS-H1865DY0 / LS-H2465DY0 / LS-H0764DM1 / LS-H0964DM1 / LS-H1264DM1 / LS-H1865DM1 / LS-H2465DM1 / LS-H2665DM1 / LS-H2465GB0 / LS-H0964GB0 / LS-H1264GB0 Service Manual ▷ View online
2 Room Air Conditioner
Air Conditioner Service Manual
TABLE OF CONTENTS
LG Model Name ...............................................................................................................................................3
Safety Precautions..........................................................................................................................................5
Dimensions....................................................................................................................................................10
Safety Precautions..........................................................................................................................................5
Dimensions....................................................................................................................................................10
Symbols Used in this Manual ...................................................................................................................10
Indoor Unit................................................................................................................................................10
Outdoor Unit .............................................................................................................................................12
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
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
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
Connect the Cable to the Outdoor Unit ....................................................................................................24
Checking the drainage and forming the pipings........................................................................................25
Checking the Drainage.............................................................................................................................25
Form the Piping ........................................................................................................................................25
Form the Piping ........................................................................................................................................25
AIR PURGING ................................................................................................................................................26
Air purging ................................................................................................................................................26
Air purging with vacuum pump .................................................................................................................26
Air purging with vacuum pump .................................................................................................................26
Test Running .................................................................................................................................................28
Operation .......................................................................................................................................................29
Operation .......................................................................................................................................................29
Function of Controls .................................................................................................................................29
Display Function ......................................................................................................................................33
Self-diagnosis Function ............................................................................................................................33
Remote Control Operations......................................................................................................................34
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
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
Wiring Diagram.........................................................................................................................................54
Components Location ..............................................................................................................................57
Product Specifications .................................................................................................................................59
Exploded View...............................................................................................................................................64
Replacement Parts List ................................................................................................................................68
Exploded View...............................................................................................................................................64
Replacement Parts List ................................................................................................................................68
Service Manual 3
LG Model Name
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
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
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"
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
9: 380-415V/60Hz
7
Chassis
A~Z
Name of Chassis of Unit
Ex. LSP
Ex. LSP
→
SP Chassis
8
Look
A~Z
Look,
Color (Artcool Model)
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
4 Room Air Conditioner
LG Model Name
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
T
China
K
Turkey R22
E Turkey R410A
H
H
Thailand
N India
Z Brazil
D Indonesia
X Mexico
V Vietnam
S Out sourcing
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
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
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"
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
K
L
G
M
N
D
M
N
D
P
Division
Panel Type(Deluxe)
Fighting 'Look'
Fighting 'Look'
(LG1)
(LG2)-SEMI PANEL
OEM1
OEM2
Panel Type(Deluxe)
OEM1
OEM2
Panel Type(Deluxe)
LG3
, 50/60Hz
8: 380-415V/50Hz
9: 380-415V/60Hz
9: 380-415V/60Hz
7
Chassis
A~Z
Name of Chassis of Unit
Ex. LSP
Ex. LSP
→
SP Chassis
8
Look
A~Z
Look,
Color (Artcool Model)
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
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
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
Service Manual 5
Safety Precautions
Safety Precautions
To prevent injury to the user or other people and property damage, the following instructions must
be followed.
be followed.
■
Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is
classified by the following indications.
classified by the following indications.
■
Meanings of symbols used in this manual are as shown below.
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage to properties only.
Be sure not to do.
Be sure to follow the instruction.
Do not use damaged power cords, plugs, or a
loose socket.
loose socket.
Always use the power plug and socket with the
ground terminal.
ground terminal.
• There is risk of fire of electric shock.
• There is risk of electric shock.
Install the panel and the cover of control box
securely.
securely.
.Do not modify or extend the power cord.
• There is risk of fire of electric shock.
• No grounding may cause electric shock.
■
Installation