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LG ART COOL Mirror Owner's Manual

MultiV Wall Mounted Type Indoor Unit ARNU07GSEA2 ARNU09GSEA2 ARNU24GS5A2 ARNU07GSEL2 ARNU12GSEA2 ARNU15GSEA2 ARNU18GS5A2 ARNU09GSEL2 ARNU12GSEL2 ARNU15GSEL2 ARNU18GS5L2 ARNU24GS5L2

Made by: LG
Type: Owner's Manual
Category: Air Conditioner
Pages: 13
Size: 1.04 MB

 

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ENGLISH

LG

Indoor Unit (2 Series)

IMPORTANT

• Please read this owner's manual carefully and thoroughly 

before installing and operating your room air conditioner. 

• Please retain this owner's manual for future reference after 

reading it  thoroughly.

Type: ART COOL Mirror

ENGLISH

FRANÇAIS

ESPAÑOL

 


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2

Indoor Unit

Artcool Mirror Type  Indoor Unit Owner’s Manual

TABLE OF CONTENTS

FOR YOUR RECORDS

Write the model and serial numbers here:

Model #

Serial #

You can find them on a label on the side of each unit.

Dealer's Name

Date Purchased

Staple your receipt to this page in the event you need
to prove date of purchase or to issue warranty.

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.

Safety Precautions.................3

Prior to Operation ..................6

Product Introduction..............7

Operating Instructions...........8

Maintenance and Service ....10

Before you Call for Service ....12

 


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ENGLISH

Safety Precautions  

Owner’s Manual 

3

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.

WARNING

CAUTION

This symbol indicates the possibility of death or serious injury.

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

Do not use a defective or
underrated circuit breaker. Use
this appliance on a dedicated
circuit.

• There is risk of fire or electric

shock.

For electrical work, contact the
dealer, seller, a qualified
electrician, or an Authorized
Service Center.

• Do not disassemble or repair the

product. There is risk of fire or
electric shock.

Always ground the product.

• There is risk of fire or electric

shock.

Install the panel and the cover
of control box securely.

• There is risk of fire or electric

shock.

Always install a dedicated
circuit and breaker.

• Improper wiring or installation

may cause fire or electric shock

Use the correctly rated breaker
or fuse.

• There is risk of fire or electric

shock.

Do not modify or extend the
power cable.

• 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.

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
condenser and evaporator.

For installation, always contact
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,
product failure, and personal
injury.

 


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Safety Precautions   

4

Indoor Unit

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
product.

• 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.

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

If strange sounds, or small or
smoke comes from product.
Turn the breaker off or
disconnect the power supply
cable.

• There is risk of electric shock or

fire.

Stop operation and close the
window in storm or hurricane. 
If possible, remove the product
from the window before the
hurricane arrives.

• There is risk of property damage,

failure of product, or electric
shock.

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),
contact an Authorized Service
Center.

• There is risk of fire or electric

shock.

Be cautious that water could
not enter the product.

• There is risk of fire, electric shock,

or product damage.

Ventilate the product from time to time when
operating it together with a stove, etc.

• There is risk of fire or electric shock.

Turn the main power off when cleaning or
maintaining the product.

• There is risk of electric shock.

Operation

Do not plug or unplug the
power supply plug during
operation.

• There is risk of fire or electric

shock.

Do not touch(operate) the
product 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 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 furniture.

Take care to ensure that power
cable could not be pulled out or
damaged during operation.

• There is risk of fire or electric

shock.

Do not place anything on the
power cable.

• There is risk of fire or electric

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 operation.

Take care to ensure that nobody could step on or
fall onto the outdoor unit.

• This could result in personal injury and product

damage.

 


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ENGLISH

Safety Precautions  

Owner’s Manual 

5

Installation

CAUTION

Always check for gas (refrigerant)
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

leakage.

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 product. 

• 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 evaporator fins, could cause product
malfunction or inefficient operation.

Do not expose the skin directly
to cool air for long periods of
time. (Don't sit in the draft.)

• This could harm to 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,
solvents, 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.

Always insert the filter securely.
Clean the filter every two weeks
or more often if necessary.

• A dirty filter reduces the efficiency 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
product is operated.

• There are sharp and moving parts

that could cause personal injury.

Do not drink the water drained
from the product.

• It is not sanitary and could cause

serious health issues.

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.

If you eat the liquid from the batteries, brush your
teeth and see doctor. Do not use the remote if the
batteries have leaked.

• The chemicals in batteries could cause burns or

other health hazards.

Use a firm stool or ladder when
cleaning or maintaining the
product.

• 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
batteries.

• 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.

 


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Prior to operation 

6

Indoor Unit

Prior to Operation

1. Contact an installation specialist for installation.

2. Use a dedicated circuit.

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.

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.

For repair and maintenance, contact your authorized service dealer.

Preparing for operation

Usage

Cleaning and maintenance

Service

 


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ENGLISH

Product Introduction

Owner’s Manual 

7

Product Introduction

Here is a brief introduction of the indoor units. 
Please see the information specific to your indoor unit type. 

Indoor Units

Operation indication lamps

On/Off

: Lights up during the system operation, error code and auto restart setting. 

Sleep mode

: Lights up during sleep mode auto operation.

Plasma

: The function illustrates its dynamic mode by using a multiple lighting system.

Timer

: Lights up during timer operation or  sleep mode auto operation.

Defrost mode

Power Display : Indicates the setting temperature and operation mode.
 

(Cooling, heating,auto operation,dehumidification mode)

: Lights up during defrost mode or 

*hot start operation 

(Heat pump model only)

Hot start operation

: Stops the indoor fan in heating operation for minutes to prevent cold air from blowing out 

from unit. 

* In defrost mode unit stops heating operation for few minutes to remove formation of ice on the heat 
  exchanger coils to maintain the efficiency.

Art Cool Mirror(SE, S8)

Display panel LCD indicators 

Signal receiver

Front panel

Air discharge

ON/OFF button

Plasma filter

Air inlet

Air filter

 


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Operating Instructions

8

Indoor Unit

Name and function of wired remote controller(Optional)

Operating Instructions

1

9

11

12

3

5

6

2

4

10

13

14

7

8

15

• Wired remote controller:  
  PQRCUSA1 

1. Operation indication screen

2. Set temperature button

3. Wireless remote controller Receiver

• Some kind of product could not receive

wireless signal.

4. Ventilation button

5. Operation mode selection button

6. Sub-function button

7. Function setting button

8. Exit button

9. On/ Off button

10. Room temperature button

11. Fan speed button

12. Air flow button

13. Reservation/ Time setting button

14. Setting/ Cancel button

15. Up, Down, Left, Right

 


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ENGLISH

Operating Instructions

Owner’s Manual 

9

Name and function of wired remote controller(Optional)

Cooling Mode

Auto Mode or Auto Changeover

Dehumidification mode

Heating Mode

Fan Mode 

• Cooling Model(  ), Heat Pump Model(  )

Operation Mode

PQWRCDF0 (Cooling only)
PQWRHDF0 (Heat pump)

13
14

15

16

1

8

9

10

11

12

2

3

4

5

6

7

1. Plasma button (optional)

Used to start or stop the plasma-purification
function.

2. Jet cool button

Speed cooling operates super high fan speed.

3. Operation mode selection button

Used to select the operation mode.

4. Function setting button

Used to set or clear auto clean or smart clean.

5. LCD luminosity button (optional)

Used to adjust LCD luminosity

6. Smart clean button (optional)

Used to start or stop smart clean.

7. Clear all button

Used to clear all timer.

8. Room temperature setting button

Used to select the room temperature.

8. ON/OFF button

Used to turn off/on the unit.

10. Indoor fan speed selection button

Used to select fan speed in four steps low,
medium, high and chaos.

11. Auto swing button

Used to stop or start louver movement and set the
desired up/down airflow direction.

12. Horizontal airflow direction control button

(optional)

Used to set the desired horizontal airflow direction.

13. Timer and time setting button

Used to set the time of starting or stopping and
sleeping operation.

14. Room temperature checking button

used to check the room temperature.

15. °C/°F switch button

Used to switch temperature reading from celsius to
fahrenheit.

16. Reset button

Used to reset the remote controller.

 


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Maintenance and Service

10

Indoor Unit

Maintenance and Service

Before performing any maintenance, turn off the main power to the system.
Never use any of the followings:

• 

Water hotter than 40°C(104°F).
Could cause deformation and/or discoloration.

• 

Volatile substances.
Could damage the surfaces 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 Filters

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.

Deodorizer Filters

Remove the deodorizer filters behind the air filter and expose them in direct
sunlight for 2 hours. 
And then insert these filters into original position.

Gasoline

Powder

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 deodorizer filter by slightly pulling forward.

Plasma filter

Front panel

Don't touch this plasma filter within 10 seconds after opening the inlet grille, it may cause an electric shock.

 


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ENGLISH

Owner’s Manual 

11

Maintenance and Service

CAUTION

CAUTION

When the air conditioner is not going to be used for a long time.

Operation Tips

Helpful information

The air filters and your electiric bill.
If the air filters become clogged with dust, the
cooling capacity will drop, and 6% of the electricity
used to operate the air conditioner will be wasted.

When it is not going to be used for 
a long time.

When the air conditioner is to be used again.

Operate the air conditioner at the
following settings for 2 to 3 hours.

• Type of operation: Fan operation mode.
• This will dry out the internal mechanisms.

Turn off the breaker.

Turn off the breaker when the air conditioner
is not going to be used for a long time.

Dirt may collect and may cause a fire.

Clean the air filter and install it in the
indoor unit.

(Refer to page 10 for cleaning it.)

Check that the air inlet and outlet of the
indoor/outdoor unit are not blocked.

Check that the ground wire is
connected correctly. It may be connect
to the indoor unit side.

Do not overcool the room.

This is not good for the health
and wastes electricity.

Keep blinds or curtains

closed.

Do not let direct sunshine
enter the room when the air
conditioner is in operation.

Keep the room temperature

uniform.

Adjust the vertical and
horizontal airflow direction to
ensure a uniform temperature
in the room.

Make sure that the doors 

and windows are shut tight.

Avoid opening doors and
windows as much as possible
to keep the cool air in the
room.

Clean the air filter regularly.

Blockages in the air filter
reduce the airflow and lower
cooling and dehumidifying
effects. Clean at least once
every two weeks.

Ventilate the room

occasionally.

Since windows are kept
closed, it is a good idea to
open them and ventilate the
room now and then.

 


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Maintenance and Service

12

Indoor Unit

?

Check the following points before requesting repairs or service.... If the malfunction persist,
please contact your dealer.

Troubleshooting Tips! Save time and money!

• Have you made a

mistake in timer
operation?

• Has the fuse blown

or has the circuit
breaker been
tripped?

• Check that this is not

a damp smell exuded
by the walls, carpet,
furniture or cloth
items in the room.

• Condensation occurs

when the airflow from
the air conditioner
cools the warm room
air.

• This is the protector

of the mechanism.

• Wait about three

minutes and
operation will begin.

The air conditioner

does not operate.

The room has a

peculiar odor. 

It seems that

condensation is

leaking from the air

conditioner.

Air conditioner does

not operate for about

3 minutes when

restart.

Does not cool or heat

effectively.

The air conditioner

operation is noisy.

Crack sound is

heard.

Remote control

display is faint, or no

display at all.

• Is the air filter dirty?

See air filter cleaning
instructions.

• The room may have

been very hot when
the room air
conditioner was first
turned on. Allow time
for it to cool down.

• Has the temperature

been set incorrectly?

• Are the indoor unit's

air inlet or outlet vents
obstructed?

• For a noise that

sounds like water
flowing.

-This is the sound of

freon flowing inside
the air conditioner
unit.

• For a noise that

sounds like the
compressed air
releasing into
atmosphere.

-This is the sound of

the dehumidifying
water being
processed inside the
air conditioning unit.

• This sound is generated

by the expansion/
constriction of the front
panel, etc. due to
changes of
temperature.

• Cleaning the filter,

press the Timer button
and 

button of wired

remote controller at
the same time for 3
sec.

• Are the batteries

depleted?

• Are the batteries

inserted in the
opposite (+) and (-)
directions?

WATER RESISTANT: The outdoor side of this appliance is WATER RESISTANT.

The indoor side is not water resistant and should not be exposed to
excess water.

NOTICE

Filter sign lamp

(LED) is ON.

Before you call for service...

 


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P/No.: MFL61995102

Printed in Korea

After reading this manual, keep it in a place easily accessible to the user for future reference.