LG AS-H186V_L1_L2 Service Manual ▷ View online
2 Room Air Conditioner
Air Conditioner Service Manual
TABLE OF CONTENTS
LG Model Name ...............................................................................................................................................3
Safety Precautions..........................................................................................................................................4
Dimensions......................................................................................................................................................8
Safety Precautions..........................................................................................................................................4
Dimensions......................................................................................................................................................8
Symbols Used in this Manual .....................................................................................................................8
Indoor Unit..................................................................................................................................................8
Outdoor Unit ...............................................................................................................................................9
Indoor Unit..................................................................................................................................................8
Outdoor Unit ...............................................................................................................................................9
Product Specifications ................................................................................................................................10
Installation .....................................................................................................................................................11
Installation .....................................................................................................................................................11
Select the best Location ..........................................................................................................................11
Piping Length and Elevation.....................................................................................................................12
Preparing Work for Installation .................................................................................................................13
Fixing Installation Plate ............................................................................................................................14
Drill a Hole in the Wall ..............................................................................................................................14
Flaring Work .............................................................................................................................................15
Connecting the Piping ..............................................................................................................................16
Connecting the Cables .............................................................................................................................20
Checking the Drainage.............................................................................................................................22
Forming the Piping ...................................................................................................................................23
Air Purging ...............................................................................................................................................24
Panel Front Assembly ..............................................................................................................................26
Test Running ............................................................................................................................................27
Piping Length and Elevation.....................................................................................................................12
Preparing Work for Installation .................................................................................................................13
Fixing Installation Plate ............................................................................................................................14
Drill a Hole in the Wall ..............................................................................................................................14
Flaring Work .............................................................................................................................................15
Connecting the Piping ..............................................................................................................................16
Connecting the Cables .............................................................................................................................20
Checking the Drainage.............................................................................................................................22
Forming the Piping ...................................................................................................................................23
Air Purging ...............................................................................................................................................24
Panel Front Assembly ..............................................................................................................................26
Test Running ............................................................................................................................................27
Operation ......................................................................................................................................................29
Function of Controls .................................................................................................................................29
Remote Control Operations......................................................................................................................36
Remote Control Operations......................................................................................................................36
Disassembly of the parts..............................................................................................................................37
Indoor unit ................................................................................................................................................37
Schematic Diagram.......................................................................................................................................39
Electronic Control Dvice ..........................................................................................................................39
Wiring Diagram.........................................................................................................................................40
Components Location ..............................................................................................................................41
Wiring Diagram.........................................................................................................................................40
Components Location ..............................................................................................................................41
Troubleshooting Guide ................................................................................................................................43
Refrigeration Cycle Diagram ....................................................................................................................43
Pipe length and the elevation ...................................................................................................................44
3-way Valve ..............................................................................................................................................45
Cycle Parts ...............................................................................................................................................49
Electronic Parts ........................................................................................................................................50
Pipe length and the elevation ...................................................................................................................44
3-way Valve ..............................................................................................................................................45
Cycle Parts ...............................................................................................................................................49
Electronic Parts ........................................................................................................................................50
Exploded View ..............................................................................................................................................57
Indoor Unit...............................................................................................................................................57
Outdoor Unit ............................................................................................................................................58
Outdoor Unit ............................................................................................................................................58
Replacement Parts List ................................................................................................................................59
Indoor ......................................................................................................................................................59
Outdoor Unit ............................................................................................................................................60
Outdoor Unit ............................................................................................................................................60
Service Manual 3
LG Model Name
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
N: India
Refrigerant
A: Chang-won R410A
Z: Brazil
C: Chang-won R407C
D: Indonesia
T: China
M: Mexico
U: China R410A
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 Development 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+Oxy generator
U
4way+(Nano)Plasma F+Negative ION+Healthy dehumidification+A/Clean+Oxy generator
V
Dry Contact
W
Wired Remocon
8
* ARTCOOL COLOR
R
Mirror
W
White
B
Blue
D
Wood
M
Metal
C
Cherry
N
Walnut
A
Gogh
S
Sisley
Q
Quran
K
Mecca
4 Room Air Conditioner
Safety Precautions
Safety Precautions
To prevent the injury of the user or other people and property damage, the following instructions must be followed.
■ Be sure to read before installing the air conditioner.
■ Be sure to observe the cautions specified here as they include important items related to safety.
■ Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the
■ Be sure to read before installing the air conditioner.
■ Be sure to observe the cautions specified here as they include important items related to safety.
■ Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the
following indications.
■ Meanings of symbols used in this manual are as shown below.
WARNING
CAUTION
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage to properties only.
WARNING
■ Installation
Always perform grounding.
• Otherwise, it may cause electrical shock.
Don’t use a power cord, a plug or a loose socket
which is damaged.
which is damaged.
• Otherwise, it may cause a fire or electrical shock.
For installation of the product, always contact the
service center or a professional installation agency.
service center or a professional installation agency.
• Otherwise, it may cause a fire, electrical shock, explo-
sion or injury.
Securely attach the electrical part cover to the indoor
unit and the service panel to the outdoor unit.
unit and the service panel to the outdoor unit.
• If the electrical part cover of the indoor unit and the
service panel of the outdoor unit are not attached
securely, it could result in a fire or electric shock due to
dust, water, etc.
securely, it could result in a fire or electric shock due to
dust, water, etc.
Be sure not to do.
Be sure to follow the instruction.
Service Manual 5
Safety Precautions
■ Operational
Always install an air leakage
breaker and a dedicated switch-
ing board.
breaker and a dedicated switch-
ing board.
• No installation may cause a fire and
electrical shock.
Do not keep or use flammable
gases or combustibles near the
air conditioner.
gases or combustibles near the
air conditioner.
• Otherwise, it may cause a fire or
the failure of product.
Ensure that an installation frame
of the outdoor unit is not dam-
aged due to use for a long time.
of the outdoor unit is not dam-
aged due to use for a long time.
• It may cause injury or an accident.
Do not disassemble or repair the
product randomly.
product randomly.
• It will cause a fire or electrical
shock.
Do not install the product at a
place that ther is concern of
falling down.
place that ther is concern of
falling down.
• Otherwise, it may result in personal
injury.
Use caution when unpacking and
installing.
installing.
• Sharp edges may cause injury.
Unplug the unit if strange
sounds, odors, or smoke
come from it.
sounds, odors, or smoke
come from it.
• Otherwise it may cause fire and
electric shock accident.
Do not use the socket if it is
loose or damaged.
loose or damaged.
• It may cause fire and electric
shock.
Do not operate with wet hands
or in damp environment.
or in damp environment.
• It will cause electric shock.
Take care so that the power cord
may not be pulled during opera-
tion.
may not be pulled during opera-
tion.
• Otherwise, it may cause a fire or
electrical shock.
Unplug the unit if strange
sounds, smell, or smoke comes
from it.
sounds, smell, or smoke comes
from it.
• Otherwise, it may cause electrical
shock or a fire.
Keep the flames away.
• Otherwise, it may cause a fire.
Wa
x Thinner