LG | W24CMC | LG W18CMC Owner’s Manual

OWNER’S MANUAL
ROOM
AIR
CONDITIONER
Please read this manual carefully before operating
your set and retain it for future reference.
TYPE : WINDOW
P/NO.:MFL69543503
www.lg.com
Window-Type Air Conditioner Owner’s Manual
TABLE OF CONTENTS
Safety Precautions..........................3
FOR YOUR RECORDS
Write the model and serial numbers here:
Before Opeation ..............................7
Model #
Serial #
Introduction ....................................8
You can find them on a label on the side of each unit.
Dealer's Name
Installation ......................................9
Date Purchased
■ Staple your receipt to this page in the event you need it
to prove date of purchase or for warranty issues.
Operating Instructions .................14
Maintenance and Service ............21
READ THIS MANUAL
Inside you will find many helpful hints on how to use and
maintain your air conditioner properly. Just a little preventive
care on your part can save you a great deal of time and
money over the life of your air conditioner.
You'll find many answers to common problems in the chart
of troubleshooting tips. If you review our chart of
Troubleshooting Tips first, you may not need to call for
service at all.
PRECAUTION
• Contact the authorized service technician for repair
or maintenance of this unit.
• Contact the installer for installation of this unit.
• The air conditioner is not intended for use by young
children or invalids without supervision.
• Young children should be supervised to ensure that
they do not play with the air conditioner.
• When the power cord is to be replaced, replacement
work shall be performed by authorized personnel only
using only genuine replacement parts.
• Installation work must be performed in accordance
with the National Electric Code by qualified and
authorized personnel only.
2 Room Air Conditioner
Safety Precautions
Safety Precautions
WARNING
This symbol indicates the possibility of death or serious injury.
CAUTION
This symbol indicates the possibility of injury or damage to properties only.
■ Meanings of symbols used in this manual are as shown below.
Be sure not to do.
Be sure to follow the instruction.
WARNING
■ Installation
Don’t use a power cord, a
plug or a loose socket which
is damaged.
• Otherwise, it may cause a
fire or electrical shock.
Always plug into a grounded
outlet.
• Otherwise, it may cause a
fire or electrical shock.
Off
Do not modify or extend the
power cord length.
• It will cause electric shock or
fire due to heat generation.
High
Cool
Med
Fan
5
6
4
7
3
8
2
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Thermostat
Off
High
Cool
Med
Fan
5
6
4
7
3
8
2
Med
Cool
Low
Fan
Low
Cool
Operation
9
1
Thermostat
Do not disassemble or
modify products.
Be caution when unpacking
and installing.
Do not use the power cord near
flammable gas or combustibles
such as gasoline, benzene,
thinner, etc.
• It may cause failure and
electric shock.
• Sharp edges may cause
injury.
• It may cause explosion or
fire.
Off
High
Cool
Med
Fan
5
6
4
7
8
23
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Thermostat
Off
Off
5
6
4
7
Med
Cool
6
7
8
9
Med
Cool
Low
Fan
Low
High
Cool
Med
Fan
High
Cool
Med
Fan
5
4
23
3
8
Low
Fan
Low
Cool
Cool
2
9
Operation
Operation
1
1
Thermostat
Thermostat
Gasolin
Owner’s Manual 3
ENGLISH
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.
Safety Precautions
■ Operation
Do not place heavy object
Do not share the outlet with
on the power cord and take
other appliances.
care so that the cord should
not be pressed.
• There is danger of fire or
• It will cause electric shock or
electric shock.
fire due to heat generation.
Off
Take the power plug out if
necessary, holding the head
of the plug and do not touch
it with wet hands.
• Otherwise, it may cause a
fire or electrical shock.
High
Cool
Med
Fan
5
6
4
7
8
23
Med
Cool
Low
Fan
Low
Cool
Operation
9
1
Thermostat
Off
High
Cool
Med
Fan
5
6
4
7
3
8
2
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Thermostat
Do not place the power cord
near a heater.
• It may cause fire and electric
shock.
Off
Do not allow water to run
into electric parts.
Use a soft cloth to clean. Do
not use wax, thinner, or a
strong detergent.
• It will cause failure of machine • The appearance of the air
conditioner may deteriorate,
or electric shock.
change color, or develop
surface flaws.
High
Cool
Med
Fan
5
6
4
7
3
Med
Cool
Low
Fan
8
2
Low
Cool
Operation
9
1
Thermostat
Off
High
Cool
Med
Fan
5
6
4
7
8
23
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Thermostat
Off
High
Cool
Med
Fan
5
6
4
7
3
8
2
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Thermostat
x
Wa Thinner
Unplug the unit if strange
sounds, odors, or smoke
come from it.
• Otherwise it may cause fire
and electric shock accident.
Do not open the suction
inlet grill of the product
during operation.
If water enters the product, turn
off the the power switch of the
main body of appliance. Contact
service center after taking the
power-plug out from the socket.
• Otherwise, it may electrical
shock and failure.
Off
High
Cool
Med
Fan
5
6
4
7
3
8
2
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Off
High
Cool
Thermostat
Med
Fan
5
6
4
7
3
8
2
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Thermostat
Off
High
Cool
Med
Fan
5
6
4
7
8
23
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Thermostat
Ventilate the room well when
using this appliance
together with a stove, etc.
• An oxygen shortage may
occur.
Off
Turn off the power and
breaker firstly when
cleansing the unit.
Turn off the main power
switch when not using it for
a long time.
• Since the fan rotates at high
• Prevent accidental startup and
speed during operation, it may the possibility of injury.
cause injury.
High
Cool
Med
Fan
5
6
4
7
8
23
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Thermostat
Off
High
Cool
Med
Fan
5
6
4
7
8
23
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Thermostat
Off
High
Cool
Med
Fan
5
6
4
7
8
23
9
1
Thermostat
4 Room Air Conditioner
Med
Cool
Low
Fan
Low
Cool
Operation
Safety Precautions
Do not damage or use an
unspecified power cord.
Do not operate with wet
hands or in damp
environment.
• It will cause electric shock or
fire due to heat generation.
• It will cause electric shock or
fire.
• It will cause electric shock.
Off
High
Cool
Med
Fan
Off
High
Cool
5
6
4
7
Med
Fan
5
3
6
4
7
3
8
2
9
Med
Cool
Low
Fan
8
2
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Low
Cool
Thermostat
Operation
1
Thermostat
Hold the plug by the hand
(not the cable) when taking
it out.
• It may cause electric shock
and damage.
When gas leaks, open the
window for ventilation
before operating the unit.
• Otherwise, it may cause
explosion, and a fire.
Off
Never touch the metal parts
of the unit when removing
the filter.
•They are sharp and may
cause injury.
High
Cool
Med
Fan
5
6
4
7
3
8
2
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Off
Thermostat
High
Cool
Med
Fan
5
6
4
7
3
8
2
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Thermostat
CAUTION
■ Installation
Install the product so that the noise or hot
wind from the outdoor unit may not cause
any damage to the neighbors.
• Otherwise, it may cause dispute with the
neighbors.
Keep level parallel in installing the product.
• Otherwise, it may cause vibration or water
leakage.
Off
Med
Fan
5
6
4
7
3
8
2
9
Low
Fan
Low
Cool
Operation
1
Thermostat
Owner’s Manual 5
ENGLISH
Do not operate or stop the
unit by inserting or pulling
out the power plug.
Safety Precautions
■ Operation
Do not put a pet or house
plant where it will be
exposed to direct air flow.
• It may cause injury.
Off
Do not block the inlet or
outlet of air flow.
• It may cause product failure.
Use a soft cloth to clean. Do
not use wax, thinner, or a
strong detergent.
• The appearance of the air
conditioner may deteriorate,
change color, or develop
surface flaws.
High
Cool
Med
Fan
5
6
4
7
3
8
2
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Thermostat
Off
High
Cool
Med
Fan
5
6
4
7
3
8
2
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Thermostat
Do not step on the
indoor/outdoor unit and do
not put anything on it.
Always insert the filter
securely.
Clean it every two weeks.
Do not drink water drained
from air conditioner.
• It may cause an injury
through dropping of the unit
or falling down.
• Operation without filters will
cause failure.
• It contains containments and
will make you sick.
Off
High
Cool
Med
Fan
5
6
4
7
3
Med
Cool
Low
Fan
8
2
Low
Cool
Operation
9
1
Thermostat
Off
High
Cool
Med
Fan
5
6
4
7
3
8
2
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Thermostat
Be cautious not to touch the
sharp edges when
installing.
Avoid excessive cooling and
perform ventilation
sometimes.
• Otherwise, it may do harm
to your health.
• It may cause injury.
Off
Do not insert the hands or
bars through the air inlet or
outlet during operation.
• Otherwise, it may cause
personal injury.
High
Cool
Med
Fan
5
6
4
7
3
8
2
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Off
Thermostat
High
Cool
Med
Fan
5
6
4
7
3
8
2
9
1
Thermostat
Off
High
Cool
Med
Fan
5
6
4
7
3
8
2
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Thermostat
6 Room Air Conditioner
Med
Cool
Low
Fan
Low
Cool
Operation
Before to Operation
Before Operation
1.
2.
3.
4.
5.
6.
Contact an installation specialist for installation.
Plug in the power plug properly.
Use a dedicated circuit.
Do not use an extension cord.
Do not start/stop operation by plugging/unplugging the power cord.
If the cord/plug is damaged, replace it with only an authorized replacement
part.
Usage
1. Being exposed to direct airflow for an extended period of time could be
hazardous to your health. Do not expose occupants, pets, or plants to direct
airflow for extended periods of time.
2. Due to the possibility of oxygen deficiency, ventilate the room when used
together with stoves or other heating devices.
3. Do not use this air conditioner for non-specified special purposes (e.g.
preserving precision devices, food, pets, plants, and art objects). Such usage
could damage the items.
Cleaning and Maintenance
1. Do not touch the metal parts of the unit when removing the filter. Injuries can
occur when handling sharp metal edges.
2. Do not use water to clean inside the air conditioner. Exposure to water can
destroy the insulation, leading to possible electric shock.
3. When cleaning the unit, first make sure that the power and breaker are turned
off. The fan rotates at a very high speed during operation. There is a
possibility of injury if the unit’s power is accidentally triggered on while
cleaning inner parts of the unit.
Service
For repair and maintenance, contact your authorized service dealer.
Owner’s Manual 7
ENGLISH
Preparing for Operation
Introduction
Introduction
Symbols Used in this Manual
This symbol alerts you to the risk of electric shock.
This symbol alerts you to hazards that could cause harm to
the air conditioner.
NOTICE
This symbol indicates special notes.
Features
This appliance should be installed in accordance with the National Electric Code.
Vertical Air Deflector
(Horizontal Louver)
Horizontal Air Deflector
(Vertical Louver)
Brace
Condenser
Air Discharge
Cabinet
Front Grille
Air Intake(Inlet Grille)
Air Filter
Evaporator
Control Board
Vertical Air Deflector
(Horizontal Louver)
Horizontal Air Deflector
(Vertical Louver)
Base Pan
Compressor
Power Cord
Brace
Condenser
Air Discharge
Cabinet
Front Grille
Air Intake(Inlet Grille)
Air Filter
Remote Controller
Base Pan
Compressor
Power Cord
Control Board
Evaporator
8 Room Air Conditioner
Installation
Installation
FOAM
AWNING
FENCE
HEAT
RADIATION
COOLED
AIR
70-150cm
1. Measure the space for installation to assure a
good fit. The air conditioner must be installed
firmly into place to prevent vibration and noise.
2. Avoid exposure to direct sunlight.
3. Remove all obstacles from the rear of the unit.
There must be at least 50cm (20in.) of cleared
space around the rear of the unit. Obstacles
restricting the airflow may reduce the cooling
efficiency of the unit.
4. The unit should be installed with a slight tilt
towards the outside (approx. 3°) to allow
condensed water to drain. (About 10~15mm or
1/4 bubble with level)
10~15mm
Over 50cm
1/4 Bubble
NOTICE
The external grille must be exposed outside for
air discharge.
Level
Remove the Air Conditioner From the Case
1. Remove 2 shipping screws from the back of the case.
2. Remove the 2 screws on each side of the case. Keep these for later use.
3. Slide out the air conditioner from the case by pulling the base-pan handle while bracing the case.
4. Remove the white Styrofoam shipping block from the compressor. (Applicable for some models)
White styrofoam block
Shipping screws
Attaching the Drain Pan (Optional)
The drain pan is used to collect condensed water.
The base-pan may overflow due to high humidity. The base-pan may also collect excess water when in
reverse mode (in Reverse Cycle models only). To drain the excess water, remove the drain cap from the back
of the unit and secure the drainpipe as follows:
1. Remove the drain pan located in the air discharge or on the barrier.
2. Remove the rubber cap from the hole on the base-pan. (Not applicable to all models)
3. Install the drain pan to the left corner of the cabinet with 2-4 screws.
4. Connect the drain hose to the hole located on the bottom of the drain pan.
You can purchase the drain hose or tubing locally to satisfy your particular needs. (Drain hose not included)
Owner’s Manual 9
ENGLISH
Select the Best Location
Installation
Installation of the Housing
Step 1
Remove the air conditioner from it’s packaging and
slide the air conditioner out of it’s housing.
UNIT MAY BE SUPPORTED BY A
SOLID FRAME FROM BELOW
OR BY A HANGER FROM A
SOLID OVERHEAD SUPPORT.
NOTICE
Step 2
Prepare the hole in the wall so that the bottom of
the housing is well supported, the top has minimum
clearace and the air inlet louveres have clearance
as shown. Holes from the outside through to the
cavity should be sealed. The housing should slope
down towards the rear by about 5mm to allow water
formed during operation to drain.
FLASH OR SEAL AROUND EXTERNAL
WALL FRAME OR ARCHITRAVE
DRAIN CHUTE
Step 3
Install the housing into the wall and secure. Ensure
the foam seals are not damaged. Flash, seal or fill
gaps around the inside and outside to provide
satisfactory appearance and protection against the
weather, insects and rodents.
STURDY TIMBER
FRAME ALL ROUND
UNIT
EXTERNAL SUPPORT
FRAME AT BALANCE
POINT OF RAC
TIMBER FRAMED
WALL OR PARTITION
ALTERNATIVELY, BRACKETS
AS ILLUSTRATED BELOW
MAY BE USED.
Preferred method of installation into
a timber framed wall, partition or window.
Installations of the unit into the Housing
1. Slide the unit into the housing until it is firmly
against the rear of the housing. Care is required
to ensure the foam sealing strips on the housing
remain in position.
2. Connect the air conditioner to the power and coil
excess cord length beneath the air conditioner
base or control box.
3. Engage the Chassis Lock into the bottom housing
rail and secure to the base with the screw
provided.
4. Remove the front panel from i’s carton and plastic
bag and fit as per the Operating Instruction.
5. Switch unit on. Check for operation of the unit
and check for vibration in the installation.
6. Fit the drain chute to the housing and run a drain
line to a suitable location if required.
FLASH OR SEAL AROUND EXTERNAL
WALL FRAME OR ARCHITRAVE
ENSURE LOUVRES
ARE ENTIRELY
OUTSIDE THE WALL.
DRAIN CHUTE
STURDY TIMBER
FRAME
STEADYING BRACKET
(ONE PER SIDE)
TIMBER FRAMED
WALL OR PARTITION
SOLID TIMBER SUPPORT
Alternative method of installation if external
support cannot be provided.
Installations of the unit into the wall
45° BRICK CUT AWAY
TO CLEAR LOUVRES
45° BRICK CUT AWAY
TO CLEAR LOUVRES
FRONT
AIR IN
AIR IN
BRICK
WALL
100mm
TOP
VIEW
AIR IN
BRICK
WALL
AIR IN
AIR IN
AIR OUT
100mm minimum
OPTION A
10 Room Air Conditioner
100mm
LOUVRE
AIR OUT
OPTION B
Installation
Install the Air Conditioner in the Case
4. Attach the front grille to the case by inserting the
tabs on the grille into the slots on the front of the
case. Push the grille in until it snaps into place.
When you detach the front grille from the case,
push the grille to your right side and pull it toward
you.
Screw
Screw
Power Cord
The power cord must be connected to an
independent circuit.
The green wire must be grounded.
2. Stuff the foam between the top of the unit and the
wall to prevent air and insects from getting into the
room.
The Foam
5. Lift the inlet grill and secure the front grille with a
screw(L:10mm). Lower the inlet grille into place.
(for some models)
3. Before installing the front grille, pull out the vent
control lever located above the unit control knobs,
as shown. (for some models)
Owner’s Manual 11
ENGLISH
1. Slide the air conditioner into the case.
Reinstall the 2 screws removed earlier on each
side of the case.
Installation
How to Use the Reversible Inlet Grille(For Some Models)
The grille is designed to clean the filter both upward and downward.
b
(a)
(b)
(c)
A. Before attaching the front grille to the cabinet, if you want to pull out the filter
upward;
1. Open the inlet grille slightly (a).
2. Turn inside out the front grille (a).
3. Disassemble the inlet grille from the front grille with separating the hinged part by inserting a straight type
screw-driver tip (b).
4. Then, rotate the inlet grille 180 degrees and insert the hooks into bottom holes of the front grille.
5. Insert the filter and attach the front grille to the cabinet.
B. If you want to pull out the filter downward;
The grille is already designed that way.
12 Room Air Conditioner
Installation
Circuit Breaker Installation and Parts for Installation
Main Power source
Circuit Breaker
Use a circuit breaker
or time delay fuse.
Owner’s Manual 13
ENGLISH
• Read thoroughly and follow all directions provided.
• A circuit breaker must be installed between the power source and the unit if the plug is not used
(see illustration below).
Operating Instructions
Operating Instructions
Controls
The controls will look like one of the following.
Thermostat
Operation
OFF
5
4
6
3
7
2
8
1
9
MED
FAN
HIGH
COOL
LOW
FAN
MED
COOL
LOW COOL
Thermostat will automatically control the
temperature of the room.
Select higher number for lower room
temperature.
The temperature is selected by turning the
knob to the desired position.
The 5 or 6 position is a normal setting for
average conditions.
OFF, No
( 0 ) : Turns the air conditioner off.
MED FAN ( ) : Permits the medium fan speed
operation without cooling.
LOW FAN ( ) : Permits the low fan speed
operation without cooling.
HIGH COOL (
MED COOL (
LOW COOL (
14 Room Air Conditioner
) : Permits cooling with the high fan
speed operation.
) : Permits cooling with the
medium fan speed operation.
) : Permits cooling with the low fan
speed operation.
Operating Instructions
The controls will look like one of the following.
Thermostat
Operation
■ THERMOSTAT
■ OPERATION
Turn the thermostat control to the desired
setting. The control position is a normal setting for
average conditions. You can change this setting, if
necessary, in accordance with your temperature
preference.
The thermostat automatically controls cooling or
heating, but the fan runs continuously
whenever the air conditioner is in operation. If the
room is too warm, turn the thermostat
control clockwise. If the room is too cool, turn the
thermostat control counterclockwise.
OFF
LOW FAN
■ HEATER (
(
(
LOW COOL (
HIGH COOL (
LOW HEAT (
HIGH HEAT (
o
) : Turns the air conditioner off.
) : Permits the low fan speed
operation without cooling
(heating).
) : Permits cooling with the low
fan speed operation.
) : Permits cooling with the
high fan speed operation.
) : Permits heating with the low
fan speed operation.
) : Permits heating with the
high fan speed operation.
) LAMP
When the unit sets heating operation condition, the green lamp is lighted.
When the frost settles on the heat exchanger of the outside, defrosting is made automatically and the green
lamp is turned off.
The unit may give a "hiss" and the fan motor stops for 1 to 10 minutes.
This should not be regarded as a problem.
After defrosting, the heating operation begins again.
Owner’s Manual 15
ENGLISH
Controls
Operating Instructions
■ COOLING DESCRIPTIONS
For Normal Cooling - Select High Cool or Med Cool with the Operation knob at the midpoint of
Thermostat knob.
For Maximum Cooling - Select High Cool with the Operation knob at the highest number available on
your Thermostat knob.
For Quieter & Nighttime Cooling - Select Low Cool with the Operation knob at the midpoint of
Thermostat knob.
■ AUTO SWING (available in some models)
ON (
, SI ) : Air swing is operated while OPERATION knob is set to the COOL position.
OFF(
, NO ) : Stops the operation of air swing.
• When the air conditioner has been performed its cooling operation and is turned off or set to
the fan position, wait at least 3 minutes before resetting to the cooling operation again.
16 Room Air Conditioner
Operating Instructions
Remote Control
The remote control and control panel will look like one of the following pictures.
3
7
4
7
1
3
1
2
5
1
4
5
4
5
2
5
4
3
3
4
3
2
2
5
1
7
7
1
1
4
2
3
2
5
3
7
1
1
5
5
4
4
5
4
6
3
2
1
2
3
2
3
6
6
7
1
4
5
6
1. POWER
Operation starts when this button is pressed and stops when you press the button again.
2. OPERATION MODE SELECTOR
Heating function is only available in some models.
Select cooling mode to cool the room.
Select heating mode to heat the room.
Select fan mode for basic ventilating fan operation.
3. ON/OFF TIMER
The timer can be set to start and stop the unit in hourly increments (up to 12 hours).
Temperature increases only by 2°C and no longer increase thereafter.
Owner’s Manual 17
ENGLISH
2
Operating Instructions
4. FAN SPEED SELECTOR
For increased power while cooling or heating, select a higher fan speed.
Cooling Model: 3 steps{High[F3] ➔ Low[F1] ➔ Med[F2]
Heating Model: 2 steps{High[F2] ➔ Low[F1]
5. TEMPERATURE CONTROL
The thermostat monitors room temperature to maintain the desired temperature.
The thermostat can be set between 16°C~30°C (61°F~81°F).
The unit takes an average of 30 minutes to adjust the room temperature by 1°C (1.8°F).
6. AUTO SWING BUTTON (available in some models)
Allows the unit to automatically swing its louvers left and right during operation. If the option is deselected, the louvers will stop in their last position and orient the airflow in the corresponding direction.
7. REMOTE SENSOR
Auto Restart
In case the power comes on again after a power failure, Auto Restarting Operation is the function to operate
procedures automatically to the previous operating conditions.
Inserting the Remote Control Batteries (AAA size)
1. Push out the cover on the back of the remote control with your thumb
2. Pay attention to polarity and insert two new AAA 1.5V batteries.
3. Reattach the cover.
NOTICE
Do not use rechargeable batteries. Make sure that both batteries are new.
• In order to prevent discharge, remove the batteries from the remote
control if the air conditioner is not going to be used for an extended period
of time
Keep the remote control away from extremely hot or humid places.
To maintain optimal operation of the remote control, the remote sensor
should not be exposed to direct sunlight.
• The remote control can be mounted on a wall using the mountable holder.
18 Room Air Conditioner
Operating Instructions
Ventilation
The ventilation lever must be in the CLOSE position in order to maintain the best cooling conditions.
When fresh air is necessary in the room, set the ventilation lever to the OPEN position.
The damper is opened and room air is drawn out.
Part B
CLOSE
VENT
OPEN
NOTICE
Before using the ventilation feature,
position the lever, as shown. First, pull down
part to horizontal line with part .
Part A
Air Direction
The direction of air can be controlled wherever you want to
cool by adjusting the horizontal louver and the vertical louver.
• HORIZONTAL AIR-DIRECTION CONTROL
To control horizontal direction of air flow, set to the ON
position the air-swing switch and the air flow will be swept
horizontally by the automatic air-swing system.
If you want to stop the air flow from moving, switch off the air
swing switch at the desired position of the vane.
• VERTICAL AIR-DIRECTION CONTROL
The vertical air direction is adjusted by moving the horizontal
louver.
The direction of air can be controlled wherever you want to
cool by adjusting the horizontal louver and the vertical louver.
• HORIZONTAL AIR-DIRECTION CONTROL
The horizontal air direction is adjusted by rotating the vertical
louver right or left.
• VERTICAL AIR-DIRECTION CONTROL
The vertical air direction is adjusted by rotating the horizontal
louver forward or backward.
Owner’s Manual 19
Operating Instructions
How to Attach Drain Pan(Optional)
The air conditioner employs a proper drain method whereby the condensed water (moisture removed from the
air) is drained to the outside.
In very humid weather, (and for reverse cycle models in the reverse mode) excessive condensate water
removed from the air may cause some water to collect. To remove this excess water you can install the drain
pan as detailed below.
CABINET
1. Take the drain pan which is located in the air discharge.
2. Remove the hole rubber from the base-pan (for some models).
3. Install the drain pan to the right corner of the cabinet with 4 (or 2) screws.
DRAIN
4. Connect the drain hose of 3/5" inside diameter to the outlet located at the
PAN
bottom of the drain pan.You can purchase the drain hose or tubing locally
SCREW
to satisfy your particular needs. (Drain hose is not supplied).
DRAIN HOSE
How to Connect a Drain Hose
A drain hole is provided at the rear of the air conditioner unit.
Select a drain method according to the following.
1. Remove the hole rubber from the base-pan. (for some models)
2. Connect a drain hose of 9/16" inside diameter to the drain pipe as shown in
Fig. 1.
3. Or connect a pipe elbow of 9/16" inside diameter to the drain pipe, then
connect a drain hose of 9/16" inside diameter to the pipe elbow as shown in
Fig. 2.
Fig. 1
DRAIN PIPE
DRAIN HOSE
Fig. 2
DRAIN PIPE
DRAIN ELBOW
DRAIN HOSE
20 Room Air Conditioner
Maintenance and Service
Maintenance and Service
Air Filter Cleaning
The air filter should be checked at least twice a month to see if cleaning is necessary. Trapped particles
in the filter will build up and block the airflow. This reduces the cooling capacity and also causes an
accumulation of frost on the cooling coils.
1 Open the inlet grille upward by pulling out the bottom of the inlet grille.(a)
In another case, you can open the inlet grille downward by pulling out the top of the inlet grille.(b)
2. Remove the air filter from the front grille assembly by pulling the air filter up or down slightly.
3. Wash the filter using lukewarm water below 40°C (104°F).(c)
4. Gently shake the excess water from the filter completely. Replace the filter.
NOTICE
Mark ∆ of inlet grille means opening direction.
How to Attach Front Grille to Cabinet
1. Pull down front grille from the cabinet top.
2. Push front grille’s tips toward the cabinet in
order to insert front grille’s tabs into
the cabinet.
3. Open the inlet grille.
4. Tighten the screw through the front grille
into the plate of the evaporator or base
pan.
5. Close inlet grille.
Owner’s Manual 21
ENGLISH
TURN THE AIR CONDITIONER OFF AND REMOVE THE PLUG FROM THE POWER OUTLET.
Maintenance and Service
Troubleshooting
Normal Operating
• You may hear a pinging noise caused by water being picked up and thrown against the condenser on
rainy days or when the humidity is high. This design feature helps remove moisture and improve
efficiency.
• You may hear the thermostat click when the compressor cycles on and off.
• Water will collect in the base pan during high humidity or on rainy days. The water may overflow and drip from
the outdoor side of the unit.
• The fan may run even when the compressor does not.
Abnormal Operation
Problem
Air conditioner
does not start
Air conditioner
does not cool as it
should
Air conditioner
freezing up
Possible Causes
What To Do
■ The air conditioner is
unplugged.
• Make sure the air conditioner plug is pushed completely
into the outlet.
■ The fuse is blown/circuit
breaker is tripped.
• Check the house fuse/circuit breaker box and replace
the fuse or reset the breaker.
■ Power failure.
• If power failure occurs, turn the mode control to OFF.
When power is restored, wait 3 minutes to restart the
air conditioner to prevent tripping of the compressor
overload.
■ Airflow is restricted.
• Make sure there are no curtains, blinds, or furniture
blocking the front of the air conditioner.
■ The THERMOSTAT may
not be set high enough.
• Turn the knob to a higher number. The highest
setting provides maximum cooling.
■ TEMP Control set to a
higher number.
• Set the TEMP Control to a lower number.
■ The air filter is dirty.
• Clean the filter at least every 2 weeks.
See the operating instructions section.
■ The room may have been
hot.
• When the air conditioner is first turned on
you need to allow time for the room to cool down.
■ Cold air is escaping.
• Check for open furnace floor registers
and cold air returns.
• Set the air conditioner's vent to the closed position.
■ Cooling coils have iced up.
• See Air Conditioner Freezing Up below.
■ Ice blocks the air flow and
stops the air conditioner
from cooling the room.
• Set the mode control at Med Fan or High Cool with
the thermostat at 1 or 2.
• Set the mode control at High Fan or High Cool
with the high temperature.
22 Room Air Conditioner
Specification
SPECIFICATION
Model
Brand
TWC226NGAB9.AWYBQAR
TWC186NGABF.AWYBQAR
W24CMC SQAR
W18CMC SQAR
LG Electronics lnc.
LG Electronics lnc.
Country of origin
China
China
Type
Mech
Mech
220-240V
220-240V
1 Phase
1 Phase
50 Hz
50 Hz
Voltage(V)
Phase
Frequency
Refrigerant
R-22(Kg)
0.75
0.87
20813
17742
Capacity(W)
6100
5200
Input(W)
2400
2050
Current(A)
10.9
9.4
EER(Btu/h.W)
8.67
8.65
Capacity(Btu/h)
17913
15354
Capacity(W)
5250
4500
Input(W)
2840
2430
Current(A)
13.2
11.5
EER(Btu/h.W)
6.31
6.32
660 mm * 428 mm * 770 mm
660 mm * 428 mm * 770 mm
Capacity(Btu/h)
Cooling(T1)
Cooling(T3)
Dimensions(W*H*D)
26.0 inch * 16.9 inch * 30.3 inch 26.0 inch * 16.9 inch * 30.3 inch
Net Weight
63 Kg
56 Kg
Annual energy consumption(kWh)
7668
6561
Note : Above showing values are at test conditions, after minimum 20 hours of running at cooling
overload conditions.
Manufacture
LG Electronics Tianjin Appliances Co.,LTD
No.9 Jin Wei Road, Bei Chen, Tianjin, China,
300402
Importer
‫ﻡ‬.‫ﻡ‬.‫ﻓﻴﺪﻳﻮ ﻫﻮﻡ ﺇﻟﻜﺘﺮﻭﻧﻚ ﺳﻨﺘﺮ ﺫ‬
‫ ﻗﻄﺮ‬,‫ ﺍﻟﺪﻭﺣﺔ‬,4668 ‫ﺏ‬.‫ﺹ‬
Owner’s Manual 23
‫ﻟﻤﺎﻟﻚ‬
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‫ويرجى االحتفاظ به للرجوع إليه في المستقبل‪.‬‬
‫ُ‬
‫اﻟﻨﻮع‪ :‬ﺷﺒﺎك‬
3.......................
7............................
8....................................
■
9.....................................
14...................
21.....................
2
■
■
■
•
Off
High
Cool
Off
Med
Fan
5
5
7
8
9
Med
Cool
Low
Fan
Low
•
•
High
Cool
6
4
Cool
7
3
Operation
8
2
1
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Thermostat
Thermostat
•
Off
•
Med
Fan
6
4
3
2
•
High
Cool
Med
Fan
5
6
4
7
8
23
9
Med
Cool
Low
Fan
Low
Cool
Operation
Off
1
High
Cool
Med
Fan
Thermostat
5
Off
High
Cool
6
4
7
8
Med
Fan
5
23
6
4
7
3
8
2
9
1
Thermostat
Gasolin
3
Med
Cool
Low
Fan
9
1
Thermostat
Low
Cool
Operation
Med
Cool
Low
Fan
Low
Cool
Operation
■
•
•
•
Off
High
Cool
Med
Fan
5
6
4
7
Med
Cool
Low
Fan
8
23
Low
Cool
Operation
9
1
Thermostat
Off
High
Cool
Med
Fan
5
6
4
7
3
8
2
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Thermostat
•
•
•
Off
High
Cool
Med
Fan
5
6
4
7
3
Med
Cool
Low
Fan
8
2
Low
Cool
Operation
9
1
Thermostat
Off
High
Cool
Med
Fan
5
6
4
7
Med
Cool
Low
Fan
8
23
Low
Cool
Operation
9
1
Thermostat
x
Wa Thinner
Off
High
Cool
Med
Fan
5
6
4
7
3
8
2
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Thermostat
•
•
Off
High
Cool
Med
Fan
5
6
4
7
3
Off
8
High
Cool
2
Med
Fan
5
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
6
4
7
3
8
2
9
Med
Cool
Low
Fan
Low
Thermostat
Cool
Operation
1
Thermostat
Off
High
Cool
Med
Fan
5
6
4
7
8
23
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Thermostat
•
•
•
Off
High
Cool
Med
Fan
5
6
4
7
8
23
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Thermostat
Off
High
Cool
Med
Fan
5
6
4
7
8
23
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Thermostat
Off
High
Cool
Med
Fan
5
6
4
7
8
23
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Thermostat
4
•
Off
•
•
High
Cool
Med
Fan
5
6
4
7
3
Med
Cool
Low
Fan
8
2
Low
Cool
Operation
9
1
Thermostat
Off
High
Cool
Med
Fan
5
6
4
7
3
8
2
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Thermostat
•
•
Off
•
High
Cool
Med
Fan
5
6
4
7
3
8
2
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Thermostat
Off
High
Cool
Med
Fan
5
6
4
7
3
8
2
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Thermostat
■
•
Off
Med
Fan
5
6
4
7
3
8
2
9
1
Thermostat
5
Low
Fan
Low
Cool
Operation
•
■
•
•
•
Off
High
Cool
Med
Fan
5
6
4
7
3
8
2
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Thermostat
Off
High
Cool
Med
Fan
5
6
4
7
3
8
2
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Thermostat
•
•
Off
•
High
Cool
Med
Fan
5
6
4
7
3
8
2
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Thermostat
Off
High
Cool
Med
Fan
5
6
4
7
3
8
2
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Thermostat
•
Off
•
•
High
Cool
Med
Fan
5
Off
6
4
7
3
8
2
9
5
Low
Cool
Operation
High
Cool
Med
Fan
Med
Cool
Low
Fan
6
4
7
3
8
Med
Cool
Low
Fan
Low
Cool
1
2
Thermostat
9
Operation
1
Thermostat
Off
High
Cool
Med
Fan
5
6
4
7
3
8
2
9
Med
Cool
Low
Fan
Low
Cool
Operation
1
Thermostat
6
7
8
9
10
11
12
•
•
13
OFF
MED
FAN
5
4
HIGH
COOL
LOW
FAN
MED
COOL
6
3
7
2
8
1
9
LOW COOL
( 0 ) OFF, No
(
) MED FAN
(
) LOW FAN
(
) HIGH COOL
(
) MED COOL
(
) LOW COOL
14
■
■
( o ) OFF
(
) LOW FAN
(
) LOW COOL
(
) HIGH COOL
(
) LOW HEAT
(
) HIGH HEAT
■
15
■
■
(SI
(NO
On
) ON
) OFF
Off
Auto Swing
16
2
4
1
7
7
1
1
1
5
5
4
4
3
2
5
4
5
2
3
2
3
3
3
2
4
3
2
5
7
7
1
1
4
5
2
3
7
1
5
1
5
4
1
4
4
3
2
3
5
2
6
6
2
3
6
7
1
4
17
5
6
(AAA)
•
•
18
•
•
•
•
19
20
21
•
•
•
•
•
■
•
■
•
■
•
■
•
■
•
■
•
■
•
■
•
■
•
•
■
•
■
•
22
TWC226NGAB9.AWYBQAR
W24CMC SQAR
TWC186NGABF.AWYBQAR
W18CMC SQAR
CHINA
CHINA
‫ﺓﻱﻙﻱﻥﺍﻙﻱﻡﻝﺍ‬
‫ﺓﻱﻙﻱﻥﺍﻙﻱﻡﻝﺍ‬
0.75
0.87
20813
17742
6 100
5 200
2 400
2 050
10.9
9.4
8.67
8.65
17913
15354
5 250
4 500
2 840
2 430
13.2
11.5
6.31
6.32
770
428
660
770
428
660
30.3 *
16.9 *
26.0
30.3 *
16.9 *
26.0
63
56
7668
6561
Manufacture
LG Electronics Tianjin Appliances Co.,LTD
No.9 Jin Wei Road, Bei Chen, Tianjin, China,
300402
Importer
13
21
‫ﻡ‬.‫ﻡ‬.‫ﻓﻴﺪﻳﻮ ﻫﻮﻡ ﺇﻟﻜﺘﺮﻭﻧﻚ ﺳﻨﺘﺮ ﺫ‬
‫ ﻗﻄﺮ‬,‫ ﺍﻟﺪﻭﺣﺔ‬,4668 ‫ﺏ‬.‫ﺹ‬
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