OWNER’S MANUAL
AIR CONDITIONER
Please read this manual carefully before operating
your set and retain it for future reference.
TYPE : WALL MOUNTED (LSN/LSU-HSV2/HV2)
www.lg.com
P/NO : MFL42262811
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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.
This symbol indicates the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage.
■ Meanings of symbols used in this manual are as shown below.
Be sure not to do.
Be sure to follow the instruction.
Always use a power plug and socket with
a ground terminal.
Do not use a defective or underrated
circuit breaker. Use the correctly rated
breaker and fuse.
Do not use a multi consent. Always use
this appliance on a dedicated circuit
breaker.
• There is a risk of electric shock.
• There is risk of fire or electric shock .
• Otherwise it can cause electric shock or fire.
For electrical work, contact the dealer, seller,
a qualified electrician, or an Authorized
Service Center. Do not disassemble or repair
the product by yourself.
Always ground the product as per the
wiring diagram. Do not connect the
ground wire to gas or water pipes
lightening rod or telephone ground wire.
Install the panel and the cover of control
box securely.
• There is risk of fire or electric shock.
• There is risk of fire or electric shock.
• There is risk of fire or electric shock due to
dust , water etc.
Use the correctly rated breaker or fuse.
Do not modify or extend the power cable.
If the power cable or cord has scrathes or
skin peeled off or deteriorated then it
must be replaced.
For installation, removal or reinstall ,
always contact the dealer or an
Authorized Service Center.
• There is risk of fire or electric shock.
• There is risk of fire or electric shock.
• There is risk of fire, electric shock, explosion,
or injury.
Do not install the product on a defective
installation stand. Be sure that the
installation area does not deteriorate with
age.
Never install the outdoor unit on a
moving base or a place from where it
can fall down.
When the product is soaked (flooded or
submerged) in water , contact an
Authorized Service Center for repair
before using it again.
• It may cause product to fall.
• The falling outdoor unit can cause damage or
injury or even death of a person.
• There is risk of fire or eletric shock.
In outdoor unit the step-up capacitor
supplies high voltage electricity to the
electrical components. Be sure to
discharge the capacitor completely
before conducting the repair work.
When installing the unit, use the
installation kit provided with the product.
Be sure to use only those parts which
are listed in the svc parts list. Never
attempt to modify the equipment.
• An charged capacitor can cause electrical
shock.
• Otherwise the unit may fall and cause severe
injury.
• The use of inappropriate parts can cause an
electrical shock, excessive heat generation or
fire.
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Safety Precautions
Indoor/outdoor wiring connections must
be secured tightly and the cable should
be routed properly so that there is no
force pulling the cable from the
connection terminals.
Safely dispose off the packing materials.
Like screws, nails, batteries, broken
things etc after installation or svc and
then tear away and throw away the
plastic packaging bags.
Make sure to check that the power cable
plug is not dirty, loose or broken and
then only insert the plug completely.
• Improper or loose connections can cause
heat generation or fire.
• Children may play with them and cause
injury.
• Dirty, loose or broken power plug can
cause electric shock or fire.
Be sure to check the refrigerant to be
used. Please read the label on the product.
Don't use a power cord, a plug or a loose
socket which is damaged.
Do not touch , operate, or repair the
product with wet hands. Hold the plug by
hand when taking out
• Incorrect refrigerant used can prevent the
normal operation of the unit.
• Otherwise it may cause a fire or electrical
shock.
• There is risk of electric shock or fire.
Do not place a heater or other heating
appliances near the power cable.
Do not allow water to run into electric
parts. Install the unit away from water
sources.
Do not store or use or even allow
flammable gas or combustibles near the
product.
• There is risk of fire and electric shock.
• There is risk of fire, failure of the product, or
electric shock.
• There is risk of fire.
Do not use the product in a tightly closed
space for a long time. Perform ventilation
regularly.
Do not open the front grille of the product
during operation. (Do not touch the
electrostatic filter, if the unit is so equipped.)
If strange sound, smell or smoke comes
from product.Immediately turn the breaker
off or disconnect the power supply cable.
• Oxygen deficiency could occur and hence
harm your health.
• There is risk of physical injury, electric shock,
or product failure.
• There is risk of electric shock or fire.
Ventilate the product room from time to
time when operating it together with a
stove, or heating element etc.
Turn the main power off and unplug the
unit when cleaning or repairing the
product.
When the product is not to be used for a
long time, disconnect the power supply
plug or turn off the breaker.
• Oxygen deficiency can occur and hence harm
your health.
• There is risk of electric shock.
• There is risk of product damage or failure, or
unintended operation.
Take care to ensure that nobody
especially kids could step on or fall onto
the outdoor unit.
Take care to ensure that power cable
could not be pulled out or damaged
during operation.
Do not place ANYTHING on the power
cable.
• This could result in personal injury and
product damage.
• There is risk of fire or electric shock.
• There is risk of fire or electric shock.
Do not plug or unplug the power supply plug to turn the unit
ON/OFF .
When flammable gas leaks, turn off the gas and open a window
for ventilation befor turning on the product.
• Do not use the telephone or turn switches on or off. There is risk of
explosion or fire.
• There is risk of fire or electric shock.
Two or more people must lift and
transport the product.
Do not install the product where it will be
exposed to sea wind (salt spray) directly.
Install the drain hose to ensure that the
condensed water is drained away properly.
• Avoid personal injury.
• It may cause corrosion on the product.
• A bad connection may cause water leakage.
Keep level even when installing the
product.
Do not install the product where the noise
or hot air from the outdoor unit could
damage or disturb the neighborhoods.
Always check for gas (refrigerant)
leakage after installation or repair of
product.
• To avoid vibration or noise.
• It may cause a problem for your neighbors
and hence dispute.
• Low refrigerant levels may cause failure of
product.
4
Air Conditioner
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Safety Precautions
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.
Do not block the inlet or outlet of air flow.
Use a soft cloth to clean. Do not use
harsh detergents, solvents or splashing
water etc .
• There is risk of damage or loss of property.
• It may cause product failure.
• 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.
Do not step on or put anyting on the
product. (outdoor units)
Always insert the filter securely after
cleaning. Clean the filter every two weeks
or more often if necessary.
• There is risk of personal injury.
• There is risk of personal injury and failure of
product.
• A dirty filter reduces the efficiency.
Do not insert hands or other objects
through the air inlet or outlet while the
product is operating.
Be cautious when unpacking and
installing the product.
If the refrigerant gas leaks during the
repair, do not touch the leakaing
refrigerant gas.
• There are sharp and moving parts that could
cause personal injury.
• Sharp edges could cause injury.
• The refrigernat gas can cause frostbite (cold
burn)
Do not tilt the unit when removing or
uninstalling it.
Do not mix air or gas other than the
specified refrigerant used in the system .
If the refrigerant gas leaks during the
installation, ventilate the area immediately.
• The condensed water inside can spill .
• If air enters the refrigerant system, an
excessively high pressure results, causing
equipment damage or injury.
• Otherwise it can be harmfull for your health.
Dismantling the unit, treatment of the
refrigerant oil and eventual parts should
be done in accordance with local and
national standards.
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 batteries.
Do not recharge or disassemble the
batteries. Do not dispose off batteries in
a fire.
• There is risk of fire or product failure.
• 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.
If you eat the liquid from the batteries,
brush your teeth and see doctor. Do not
use the remote if the batteries have
leaked.
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.
• The chemicals in batteries could cause burns
or other health hazards.
• The chemicals in batteries could cause
burns or other health hazards.
• Moisture may condense and wet or damage
furniture.
Do not expose your skin or kids or
plants to the cool or hot air draft.
Do not drink the water drained from the
product.
Use a firm stool or ladder when cleaning,
maintaining or repairing the product at an height.
• This could harm to your health.
• It is not sanitary and could cause serious
health issues.
• Be careful and avoid personal injury.
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Electrical Safety
Electrical Safety
• This appliance must be properly grounded.
To minimize the risk of electric shock, you must always plug into a grounded oulet.
• Do not cut or remove the grounding prong from the power plug.
• Attaching the adapter ground terminal to the wall receptacle cover screw does not ground the appliance
unless the cover screw is metal and not insulated, and the wall receptacle is grounded through the
house wiring.
• If you have any doubt whether the air conditioner is properly grounded, have the wall receptacle and
circuit checked by a qualified electrician.
Temporary Use of an Adapter
We strongly discourage the use of an adapter due to potential safety hazards. For temporary connections,
use only a genuine adapter, available from most local hardware stores. Ensure that the large slot in the
adapter is aligned with the large slot in the receptacle for a proper polarity connection.
To disconnect the power cord from the adapter, use one hand on each to avoid damaging the ground
terminal. Avoid frequently unplugging the power cord as this can lead to eventual ground terminal damage.
• Never use the appliance with a broken adapter.
Temporary Use of an Extension Cord
We strongly discourage the use of an extension cord due to potential safety hazards.
This appliance should be installed in accordance with national wiring regulations. This manual acts as a
guide to explaining product features.
Symbols used in this Manual
This symbol alerts you to the risk of electric shock.
This symbol alerts you to hazards that may cause harm to the
air conditioner.
This symbol indicates special notes.
NOTE
6
Air Conditioner
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Product Introduction
Product Introduction
Here is a brief introduction of the indoor and outdoor units.
Indoor Units
Air inlet
Plasma filter
Air filter
ON/OFF button
Front grille
Operation lamp
Triple filter
Signal Receiver
Horizontal vane
Vertical louver
Air outlet
Allergy free filter
Operation Indication Lamps
• Cooling : 'Cooling' lamp lights up during Cooling Operation
• Heating : 'Heating' lamp lights up during Heating Operation
• Plasma : 'Plasma' lamp lights up during Plasma Purification Operation
✻ During Air Circulation Operation, 'Cooling' lamp lights up.
✻ While Plasma Purification operates with Air Circulation Operation, ‘Cooling’ lamp and ‘Plasma’ lamp
lights up at the same time.
✻ Premium type doesn't have 'Plasma' lamp.
Outdoor Unit
Air inlet vents
Connecting wire
Piping
Drain hose
Air outlet vents
Base plate
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Operating Instructions
Operating Instructions
How to insert the Batteries
1. Remove the battery cover by pulling it according to the arrow direction.
2. Insert new batteries making sure that the (+) and (-) of battery are
installed correctly.
3. Reattach the cover by sliding it back into position.
NOTE
1. Always use/replace both batteries of same type.
2. If the system is not to be used for a long time, remove the batteries to
save their working life.
3. If the display screen of remote controller starts, fading replace both of
the batteries.
4. Use 2 AAA(1.5 volt) batteries.
Wireless Remote Controller Maintenance
1. Choose a suitable place where its safe & easy to reach.
2. Fix the holder to wall etc with the supplied
screws firmly.
3. Slide the remote controller inside the holder.
NOTE
1. Remote controller should never be exposed to
direct sunlight.
2. Signal transmitter & receiver should always be
clean for proper communication. Use a soft
cloth to clean them.
3. In case some other appliances also get operated with remote control, change their position or consult
your serviceman.
Operating Method
1. The signal receiver is inside the unit.
2. Aim the remote controller towards the unit to operate it. There should not be any blockage in between.
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Air Conditioner
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Operating Instructions
Wireless Remote Controller
The controls will look like the following.
Signal transmitter
ON/OFF BUTTON
Used to turn off/on the unit.
OPERATION MODE SELECTION BUTTON
Used to select the operation mode.
ROOM TEMPERATURE SETTING BUTTONS
Used to select the room temperature.
INDOOR FAN SPEED SELECTION BUTTON
Used to select fan speed in six steps low, medium-low,
medium, medium-high, high and natural wind.
HORIZONTAL VANE CONTROL BUTTON
Used to set the desired vertical airflow direction.
(Optional1)
VERTICAL LOUVER CONTROL BUTTON(Optional)
Used to set the desired horizontal airflow direction.
AUTO CLEAN BUTTON
Used to set auto clean.
(Optional2)
(Optional3)
°C TO °F SWITCHING BUTTON
Used to switch temperature reading from
Centigrade to Fahrenheit.
ROOM TEMPERATURE CHECKING BUTTON
Used to check the room temperature.
TIMER BUTTON(before adjusting)
Used to set the current time and the time of starting / stopping.
Operation Mode
TIME ADJUSTING BUTTONS
Cooling Operation
Used to adjust the time.
Auto Operation or Auto Changeover
TIMER SET/CLEAR BUTTON(after adjusting)
Used to set and to cancel the timer operation.
Healthy Dehumidification Operation
Heating Operation (Only heat pump)
Air Circulation
RESET BUTTON
Used prior to resetting time.
PLASMA BUTTON(Optional)
Used to start or stop the plasma-purification.
LED LUMINOSITY BUTTON(Optional)
Used to adjust LED luminosity.
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Operating Instructions
The controls will look like the following.
Signal transmitter
- Optional1
SLEEP MODE AUTO BUTTON
Used to set sleep mode auto operation.
- Optional2
JET COOL BUTTON
Used to start or stop the speed cooling.
The Jet Cool operates fan in super high speed
in cooling mode.
- Optional3
ENERGY SAVING COOLING BUTTON
Used to save Energy
(Optional1)
(Optional2)
(Optional3)
Operation Mode
Cooling Operation
Auto Operation or Auto Changeover
Healthy Dehumidification Operation
Heating Operation (Only heat pump)
Air Circulation
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Operating Instructions
Operation Mode
ON/OFF
Press the ON/OFF BUTTON to turn the unit on.
1
The unit will respond with a beep.
MODE
Open the cover of the remote controller and press the operation mode button. Each time
the button is pressed, the operation mode is shifted in the direction of the arrow.
2
Auto
Healthy
Heating
Cooling
Air Circulation
Changeover Dehumidification (Heat pump model only)
Auto Operation (Optional)
Auto Changeover (Optional)
TEMP
For cooling or heating operation set the desired indoor temperature by pressing the
ROOM TEMPERATURE SETTING BUTTONS.
3
4
For cooling the temperature can be set within 18°C~30°C(64°F~86°F) and for heating the
temperature range is 16°C~30°C(60°F~86°F).
FAN SPEED
Set the fan speed with the remote controller. You can select the fan speed in six steps : low,
medium-low, medium, medium-high, high and natural wind by pressing the INDOOR FAN
SPEED SELECTION BUTTON.
Each time the button is pressed, the fan speed mode is shifted in the direction of the arrow.
Step1(Low)
Step2(Medium-low)
Step3(Medium)
Step4(Medium-high)
Step5(High)
Natural Wind
Natural wind
❏
For fresher feeling, press the INDOOR FAN SPEED SELECTION BUTTON and set to Natural wind mode.
In this mode, the wind blows like a natural breeze by automatically changing fan speed.
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Operating Instructions
Auto Changeover Operation (Optional)
This operation is basically heating or cooling function of the air
MODE
conditioner. But during this operation the controller changes the
operation mode automatically to keep the temperature within
2°C with respect to the setting temperature.
Auto Operation(Optional)
<For Cooling Model>
TEMP
The temperature and fan speed are automatically set by the electronic controls based on the
actual room temperature.
If you feel hot or cold, press TEMPERATURE SETTING buttons for more cooling or heating effect.
You cannot switch the indoor fan speed. It has already been set by the Auto Operation Mode rule.
❈
Please select the code
as per your requirement.
Code
2
1
Feel
Cold
Slightly cool
Neutral
0
-1
-2
Slightly warm
Warm
<For Heating Model>
You can set desired temperature and indoor fan speed.
Setting Temp. Range : 18~30°C(64°F~86°F).
: You can not set the actual setting temperature and the fan speed in
this operation mode ,But you can use the Auto swing in this
operation. If the system is not operating as desired,switch manually
to another mode
NOTE
Healthy Dehumidification Operation
During Healthy Dehumidification Operation
❏ If you select the dehumidification mode on the OPERATION MODE
MODE
SELECTION BUTTON, the product starts to run the dehumidification function.
It automatically sets the room temperature and airflow volume to the best
condition for dehumidification, based on the sensed current room temperature.
In this case, however, the setting temperature is not displayed on the remote
controller and you are not able to control the room temperature either.
❏ During the healthy dehumidification function, the fan speed is automatically set
according to the optimization algorithm responding to the current room
temperature status, so that the room condition is kept healthy and comfortable
even in the very humid season.
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Operating Instructions
Air Circulation Operation
This operation circulates the air without cooling or heating. It can be
activated by pressing the OPERATION MODE SELECTION
MODE
BUTTON. Once the air circulation is activated you can select the fan
speed by pressing the INDOOR FAN SPEED SELECTION BUTTON.
NOTE
: During this opertion , 'Cooling' lamp lights up.
Auto Clean Operation
❏ During Auto Clean Operation, moistures left in indoor units after cooling operation or healthy
dehumidification operation can be removed.
Select Auto Clean Operation by the function setting button(
) .
Now whenever the unit is turned off, the indoor fan is still running
for about 30 minutes internally without cooling or dehumidification
operation. This function dries up any remains of moisture & cleans
the unit internally. If you push the Auto Clean button again, this
function is cancelled.
NOTE
❏ During Auto Clean fuction, only ON/OFF button, Plasma button, Auto Clean
button is used. During this operation, 'Cooling' lamp lights up.
PLASMA Purification Operation(Optional)
Plasma filter is a technology developed by LG to get rid of microscopic
contaminants in the intake air by generating a plasma of high charge electrons.
This plasma kills and destroys the contaminants completely to provide clean
and hygienic air.
Plasma purification operation can be started by pressing the PLASMA BUTTON on the
PLASMA
remote controller.
Repressing it will deactivate the operation.
NOTE
• This features can be used in any operation mode and fan speed by pressing the plasma button.
• Separate plasma purification operation is possible in stop condition. It is cancelled by pressing plasma
button or on/off button.
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Operating Instructions
Energy-Saving Cooling Mode (Optional)
Energy-saving cooling mode can save energy in cooling operation, because it can operate efficiently by
setting body-adaptation time according to the change of time and temperature and adjusting desired
temperature automatically.
1. Press the ON/OFF BUTTON to start the unit.
2. Open the cover of the remote controller.
Select cooling operation.
3. Press the ENERGY-SAVING COOLING MODE BUTTON.
4. To cancel the energy-saving cooling mode, press the ENERGY-SAVING
COOLING MODE BUTTON again and unit will operate in previous
mode(Cooling mode).
Display Luminosity (Optional)
The unit display Luminosity can be adjusted by using the remote controller.
Open the cover of the remote controller and press the LED LUMINOSITY button.
Display LED will be dark. Press the button again to set bright display.
(The order of 100%
➞
50% LUMINOSITY is repeated whenever you press the button.)
Setting the Current Time
Press the TIMER BUTTON For 3 seconds.
1
Press the TIMER SETTING BUTTONS until the desired time is set.
- The order of a.m. and p.m. -> hour ->minute is repeated whenever you press
the < > button.
2
- By pressing the
button, you can set the current time.
Press the SET/CLEAR button.
3
NOTE
Check the indicator for a.m. and p.m.
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Operating Instructions
Timer Setting
Button on the
Remote Controller
Description
Indication on the LCD Display
Press the Timer button once to set on the
Reserved 'On'
(Press the Timer button twice to set the
Reserved 'Off')
1
2
Press the Time Setting buttons until the
desired time is set.
- The order of a.m. and p.m. -> hour
->minute is repeated whenever you press
the < > button.
- By pressing the
the desired time.
button, you can set
Press the SET/CLEAR BUTTON
(Press the SET/CLEAR BUTTON once more
to cancel)
3
To cancel the timer setting
• If you wish to cancel all timer setting, press the SET/CLEAR button.
• In order to cancel the timer settings individually, press the Timer button to select Reserved 'On' or
Reserved 'Off'. And then press the Set/Clear button aiming the remote controller at the signal receiver.
(the timer lamp on the display will go off)
Sleep Mode Operation
Press the SLEEP MODE AUTO BUTTON to set the time when you want the unit to stop
automatically. The timer is programmed in one-hour increments by pressing the
SLEEP MODE AUTO BUTTON 1 to 7 times. The sleep mode is available for 1 to 7 hours.
NOTE
• The sleep mode will operate indoor fan at super low speed in cooling mode and at low speed in heating
mode for pleasant sleep.
In cooling mode or healthy dehumidification mode:
The setting temperature will rise automatically two times by 1°C(2°F) over next consecutive 30 minutes
[Maximum 2°C(4°F)] for a comfortable sleep. This will be the final setting temperature as long as sleep
mode is functioning.
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Operating Instructions
Horizontal Vane Control
The Horizontal Vane can be adjusted by using the remote controller.
1. Press the ON/OFF BUTTON to start the unit.
2. Press the vertical airflow direction button.
Each time the button is pressed, the air-flow
direction is changed in the direction of the arrow.
STOP
Auto Swing
1 Step
2 Step
3 Step
4 Step
5 Step
6 Step
※
Press the Vertical Airflow Direction button once more during Auto Swing at the direction of airflow you want.
Vertical Louver Control (Optional)
The Vertical Louvers can be adjusted by using the remote controller.
1. Press the ON/OFF BUTTON to start the unit.
2. Press the horizontal airflow direction button. Each time the button is pressed, the
airflow direction is changed in the direction of the arrow.
STOP
5 Step Left Auto Swing Right Auto Swing Full Auto Swing
1 Step
2 Step
3 Step
4 Step
※
Press the Horizontal Airflow Direction button once more during Full Auto Swing at the direction of airflow you want.
NOTE
•
Manually moving the Horizontal Vane or Vertical Louvers by hand could damage the mechanism.When the
unit is shut off, the the Horizontal Vane and Vertical Louvers will close the air outlet vent of the product.
• Air Conditioner memorizes the last operated angle.
So there is possibility of difference in the angle of Remote Controller and the unit after reoperation.
In that case, angle can be adjusted by pressing the Vane Control Button on the Remote Controller.
• When connected to the Multi Outdoor unit, the vertical louvers may automatically move for a specific
temperature zone at the cooling mode.
ex) 1 Step → 2 Step, 5 Step → 4 Step
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Operating Instructions
Jet Cool/Heat Operation
Jet cool function can be used to cool the room quickly in hot summer. When this
function is turned on, the air conditioner runs in cooling operation mode with super high
fan speed and 18°C(64°F) setting temperature for 30 minutes for fast and effective
cooling.
Similarly, jet heat function (available only in some models) warms up the room quickly by
operating at super high fan speed and 30°C(86°F) setting temperature for 30 minutes.
You can activate this operation by pressing the JET COOL BUTTON.
To change from jet cool mode to high fan speed cooling mode, press the JET COOL BUTTON or
INIDOOR FAN SPEED SELECTOR BUTTON or the ROOM TERPERATURE SETTING BUTTON again.
NOTE
• Jet Cool/Heat operation cannot be activated during Air Circulation operation and auto changeover
operation.
• In case of Cooling only model , Jet Cool cannot be activated during Heating.
• In case of Inverter you can use jet heat function by pressing JET COOL BUTTON for heating operation.
• Each time the JET COOL / MOISTURE COOLING BUTTON is pressed, the operation mode is shifted in
the direction of the arrow.
- Cooling
Jet cool → Moisture cooling operation → cooling
- Heating
Jet heat → heating
Moisture Cooling Operation (Optional)
The moisture cooling operation is to prevent the room from
excessive dryness by logic control so that the room humidity
is kept up.
NOTE
• Push the JET COOL/MOISTURE COOLING BUTTON twice to activate
Moisture Cooling Operation.
• Push the button again, then the mode goes to cooling mode.
• Moisture Cooling may not be activated at high temperature.
• Moisture cooling may not be activated during heating.
• Fan Speed Selection button is not activated during Moisture Cooling operation.
• It prevents excessive dryness, but doesn't moisturize.
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Operating Instructions
Forced operation
Forced operation is used when the remote controller can't be used. The operation will be started if the ON/OFF
button is pressed. If you want to stop the operation, re-press the button.
ON/OFF
button
Heat pump Model
Cooling Mode
l
Room Temp. ≥ 24°C(75.2°F)
Cooling
21°C(69.8°F) ≤ Room Temp. < 24°C(75.2°F)
Healthy Dehumidification
High
Room Temp. < 21°C(69.8°F)
Heating
Operating mode
Cooling
High
Indoor FAN Speed
High
High
Setting Temperature 22°C(71.6°F)
22°C(71.6°F)
23°C(73.4°F)
24°C(75.2°F)
Test operation
During the TEST OPERATION, the unit operates in cooling mode at high speed fan, regardless of room temperature
and resets in 18 minutes. During test operation, if remote controller signal is received, the unit operates as remote controller
sets. If you want to use this operation, Press and hold the ON/OFF button for 3~5 seconds, then the buzzer sound 1
'beep'. If you want to stop the operation, re-press the button.
NOTE
If you do not have the remote controller around here, you can start to operate the forced operation.
If you force to close the front panel, some parts may be damaged.
Auto Restart Function
This function is useful in the situation of power failure.
When power regains after a failure this feature restore the previous operating condition
and the air conditioner will run in the same settings.
NOTE
This feature is enabled by factory default setting, but you can disable it by pressing the ON/OFF button for 6
seconds. The unit will beep twice and the lamp will blink 6 times.
To enable it, press the button again for 6 seconds. The unit will beep twice and the blue lamp will blink 4 times.
ON/OFF
button
18 Air Conditioner
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Maintenance and Service
Maintenance and Service
Before performing any maintenance, turn off the main power to the system, disconnect the circuit breaker and
unplug the power cord.
Indoor Unit
Clean the unit with a soft dry cloth. Do not use bleach or abrasives.
Never use any of these
• Water hotter than 40°C(104°F). It may cause deformation and discoloration.
• Volatile substances. They may damage the surface of the air conditioner.
Air Filters
The air filters behind the front panel / grill should be checked and cleaned once in every
2 weeks or more often if necessary. To remove the filters see the self explanatory
diagrams for each model type. Clean the filters with a vacuum cleaner
or warm soapy water. If dirt is not easily removed, wash with a
solution of detergent in luke warm water. Dry well in shade after
washing and reinstall the filters back in place.
Plasma Filter
The plasma filters behind the air filter should be checked and cleaned once in every 3 months or more
often if necessary. To remove the filters see the self explanatory diagrams for each model type. Clean the
filters with a vacuum cleaner. If it is dirty wash it with water and dry well in shade an install back in place.
Allergy Free Filter + Triple Filter
Remove the Allergy Free Filter + Triple Filter behind the air filter and
expose them in direct sunlight for 2 hours.
And then insert these filters into original position.
Removal of Filters
Open the front panel as shown.
Then pull the filter tab slightly forward to remove the air filter.
After removing the air filter remove the plasma and Allergy Free Filter by slightly pulling downwards.
Plasma Filter /
Allergy Filter
Triple Filter
Don't touch this plasma filter within 10 seconds after opening the inlet grille, it may cause an electric shock.
Owner's Manual 19
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Maintenance and Service
Outdoor Unit
The heat exchanger coils and panel vents of the outdoor unit should be checked regularly.
If clogged with dirt or soot, the heat exchanger
and panel vents may be professionally steam cleaned.
NOTE
Dirty or clogged coils will reduce the operating efficiency of the system and cause higher operating costs.
Operation Tips!
Do not overcool the room.
Keep blinds or curtains
closed.
Keep the room temperature
uniform.
This is not good for the health and Do not let direct sunshine enter
Adjust the vertical and horizontal
airflow direction to ensure a
uniform temperature in the room.
wastes electricity.
the room when the air conditioner
is in operation.
Make sure that the
doors and windows
are shut thight.
Clean the air filter
regularly.
Ventilate the room
occasionally.
Use high fan speed
for effective and fast
cooling.
Avoid opening doors and
windows as much as
possible to keep the cool
air in the room.
Blockages in the air filter
reduce the airflow and
lower cooling and
dehumidifying effects.
Clean at least once every
two weeks.
Since windows are kept
closed, it is a good idea
to open them and
ventilate the room now
and ten.
The unit gives its rated
cooling capacity when the
fan speed is high.
Self-Diagnosis Function
This unit has an inbuilt error diagnosis capability. Unit LED will blink in case if thermistor fails.
Please contact your serviceman/dealer in such a situation
Error Display LED
(once)
2 sec
2 sec
2 sec
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Maintenance and Service
Troubleshooting Tips! Save time and money!
The air conditioner may be operating abnormally when:
Problem
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.
Air
■ 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.
conditioner
does not start
■ High or low voltage.
• If the voltage is unusually very high or low
the circuit Breaker will trip.
• Make sure there are no curtains, blinds, or
furniture blocking the front of the air
conditioner.
■ Airflow is restricted.
• Clean the filter at least every 2 weeks.
See the Maintenance and Service section.
■ The air filter is dirty.
Air
■
The room may have been hot. • When the air conditioner is first turned on,
conditioner
does not cool
as it should
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.
■
Check the temperature settings. • Make sure they are correct.
■ There might be any heating
source in the room.
• Check and remove such source or turn it
off while using the air conditioner.
Call the service immediately in the following situations
1. Anything abnormal such as burning smell, loud noise etc. happen. Stop the unit and
turn the breaker off. Never try to repair by yourself or restart the system in such cases.
2. Main power cord is too hot or damaged.
3. Error code is generated by self diagnosis.
4. Water leaks from indoor unit even if the humidity is low.
5. Any switch, breaker (safety, earth) or fuse fails to work properly
User must carry routine checkup & cleaning to avoid unit’s poor performance.
In case of special situation, the job must be carried out by service person only.
Owner's Manual 21
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22 Air Conditioner
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LG Customer Information Center
USA, press #2 for PTAC, TTW
USA, press #3 for DFS, Multi V
CANADA
888-865-3026
888-865-3026
1-888-LG-Canada
Register your product Online!
LGEUS
LG Electronics, Air conditioning Division
1000 Sylvan Ave., Englewood Cliffs, NJ 07632
LGECI
LG Electronics Canada Inc.
550 Matheson Blvd. East, Mississauga, Ontario, L4Z 4G3
1. Please call the installing contractor of your product, as warranty service will be provided by them.
2. If you have service issues that have not been addressed by the contractor, please call 1-888-865-3026.
US
CANADA Service call Number # : (888) LG Canada, (888) 542-2623
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