LG ASNW096F1G0 User manual

LG
Room Air Conditioner
SERVICE MANUAL
LG
MODELS: ASNW096F1G0
ASNW096FE/V/GG0
ASNW126F1G0
ASNW126FE/V/GG0
ASUW126FUGO
ASNW126F2G0(A12AW2-NF6)
ASUW126FUGO(A12AWU-UF6)
CAUTION
website http://www.lgservice.com
• BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
• ONLY FOR AUTHORIZED SERVICE PERSONNEL.

2Room Air Conditioner
Air Conditioner Service Manual
TABLE OF CONTENTS
LG Model Name.................................................................................................................................3
Safety Precautions ...........................................................................................................................4
Dimensions .....................................................................................................................................10
Installation.......................................................................................................................................12
Flaring work and connection of piping.........................................................................................15
Checking the drainage and forming the pipings .........................................................................18
Air purging ......................................................................................................................................19
Test running ....................................................................................................................................22
Functions.........................................................................................................................................23
Operation.........................................................................................................................................27
Disassembly....................................................................................................................................40
Troubleshooting Guide ..................................................................................................................42
Schematic Diagram ........................................................................................................................62
Product Specifications ..................................................................................................................68
Exploded View ................................................................................................................................69
Replacement Parts List ..................................................................................................................71

Service Manual 3
LG Model Name
LG Model Name
2006
12 - 345678910
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
8 Look A~Z Look,
Color (Artcool Model)
9 Function A~Z
10 Serial No. 0~9 LG Model De
* ARTCOOL COLOR (SF)
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
1 Kiss
E Red
V Silver
G Gold
Ex.F → SF Chassis

4Room Air Conditioner
Safety Precautions
Safety Precautions
To prevent injury to the user or other people and property damage, the following instructions must
be followed.
■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.
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.
■Installation
Do not use damaged power
cords, plugs, or a loose sock-
et.
• There is risk of fire or electric
shock.
For electrical work, contact
the dealer, seller, a qualified
electrician, or an Authorized
Service Center.
• There is risk of fire or electric
shock.
Always use the power plug
and socket with the ground
terminal.
• There is risk of electric shock.
Install the panel and the cover
of control box securely.
• There is risk of fire or electric
shock.
Do not modify or extend the
power cord.
• There is risk of fire or electric
shock.
Do not install, remove, or re-
install the unit by yourself
(customer).
• There is risk of fire, electric
shock, explosion, or injury.

Service Manual 5
Safety Precautions
■Operation
Be cautious when unpacking
and installing the product.
• Sharp edges could cause injury.
Be especially careful of the case
edges and the fins on the con-
denser and evaporator.
For installation, always con-
tact the dealer or an
Authorized Service Center.
• There is risk of fire, electric
shock, explosion, or injury.
Do not install the product on a
defective installation stand.
• It may cause injury, accident, or
damage to the product.
Be sure the installation area
does not deteriorate with age.
• If the base collapses, the air
conditioner could fall with it,
causing property damage, prod-
uct failure, and personal injury.
Do not let the air conditioner
run for a long time when the
humidity is very high and a
door or a window is left open.
• Moisture may condense and wet
or damage furnishings.
Take care to ensure that
power cords could not be
pulled out or damaged during
operation.
• There is risk of fire or electrical
shock.
Do not place anything on the
power cord.
• There is risk of fire or electric
shock.
Do not turn the air-conditioner
ON or OFF by plugging or
unplugging the power plug.
• There is risk of fire or electrical
shock.

6Room Air Conditioner
Safety Precautions
Use a dedicated outlet for this
appliance.
• There is risk of fire or electrical
shock.
Grasp the plug to remove the
cord from the outlet. Do not
touch it with wet hands.
• There is risk of fire or electrical
shock.
Do not place a heater or other
appliances near the power
cable.
• There is risk of fire and electric
shock.
Do not allow water to run into
electric parts.
• It may cause There is risk of
fire, failure of the product, or
electric shock.
Do not store or use flammable
gas or combustibles near the
air conditioner.
• There is risk of fire or failure of
product.
Do not use the product in a
tightly closed space for a long
time.
• Oxygen deficiency could occur.
Wax
Thinner
When flammable gas leaks,
turn off the gas and open a
window for ventilation before
turn the product on. DO NOT
use the telephone or turn
switches on or off.
• There is risk of explosion or fire.
Unplug the unit if strange
sounds, odors, or smoke
comes from it.
• There is risk of electrical shock
or fire
Stop operation and close the
window in storm or hurricane.
If possible, remove the air
conditioner from the window
before the hurricane arrives.
• There is risk of property dam-
age, failure of product, or elec-
tric shock.

Service Manual 7
Safety Precautions
■Installation
Do not open the inlet grill of
the product during operation.
(Do not touch the electrostatic
filter, if the unit is so
equipped.)
• There is risk of physical injury,
electric shock, or product failure.
When the product is soaked
(flooded or submerged), con-
tact an Authorized Service
Center.
• There is risk of fire or eletric
shock.
Ventilate the product from
time to time when operating it
together with a stove, etc.
• There is risk of fire or electrical
shock.
Unplug the appliance before
performing cleaning or main-
tenance.
• There is risk of electrical shock.
When the product is not be
used for a long time, disconnect
the power supply plug or turn
off the breaker.
• There is risk of product damage
or failure, or unintended opera-
tion.
Take care to ensure that
nobody could step on or fall
onto the outdoor unit.
• This could result in personal
injury and product damage.
Always check for gas (refriger-
ant) leakage after installation
or repair of product.
• Low refrigerant levels may
cause failure of product.
Install the drain hose to
ensure that water is drained
away properly.
• A bad connection may cause
water leakage.
Keep level even when
installing the product.
• To avoid vibration or water leak-
age.
90˚

8Room Air Conditioner
Safety Precautions
■Operation
Do not install the product
where the noise or hot air
from the outdoor unit could
damage the neighborhoods.
•It may cause a problem for your
neighbors.
Use two or more people to lift
and transport the air condi-
tioner.
•Avoid personal injury.
Do not install the product
where it will be exposed to
sea wind (salt spray) directly.
•It may cause corrosion on the
product. Corrosion, particularly
on the condenser and evapora-
tor fins, could cause product
malfunction or inefficient opera-
tion.
Do not direct airflow at room
occupants. (Don't sit in the
draft.)
•This could damage your health.
Do not use the product for
special purposes, such as
preserving foods, works of
art, etc. It is a consumer air
conditioner, not a precision
refrigeration system.
•There is risk of damage or loss
of property.
Do not block the inlet or outlet
of air flow.
•It may cause product failure.
Use a soft cloth to clean. Do
not use harsh detergents, sol-
vents, etc.
•There is risk of fire, electric
shock, or damage to the plastic
parts of the product.
Do not touch the metal parts
of the product when removing
the air filter. They are very
sharp!
•There is risk of personal injury.
Do not step on or put anyting
on the product. (outdoor
units)
•There is risk of personal injury
and failure of product.

Service Manual 9
Safety Precautions
Always insert the filter secure-
ly. Clean the filter every two
weeks or more often if neces-
sary.
•A dirty filter reduces the efficien-
cy of the air conditioner and
could cause product malfunction
or damage.
Do not insert hands or other
objects through the air inlet or
outlet while the air conditioner
is plugged in.
•There are sharp and moving
parts that could cause personal
injury.
Do not drink the water drained
from the unit.
•It is not sanitary and could
cause serious health issues.
Use a firm stool or ladder when cleaning or
maintaining the air conditioner.
•Be careful and avoid personal injury.
Replace the all batteries in the remote control
with new ones of the same type. Do not mix
old and new batteries or different types of bat-
teries.
•There is risk of fire or explosion
Do not recharge or disassemble the batteries.
Do not dispose of batteries in a fire.
•They may burn or explode.
If the liquid from the batteries gets onto your
skin or clothes, wash it well with clean water.
Do not use the remote if the batteries have
leaked.
•The chemicals in batteries could cause burns or
other health hazards.
■Disuse

10 Room Air Conditioner
Dimensions
Dimensions
Pipe Hole Fix Hole
Hanger Hole
H
WD
W mm 600
H mm 600
D mm 146(143)
Model
Dimension
INDOOR
Indoor Unit
This symbol alerts you to the risk of electric shock.
This symbol alerts you to hazards that could cause harm to the
air conditioner.
This symbol indicates special notes.
NOTICE
Symbols Used in this Manual