LG LMNH126D4L0 User Manual

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Multi Air Conditioner

OWNER'S MANUAL

Dear Owner

Thank you for installing LG air conditioner. Your best choice guarantees you a great performance and service to make your life comfortable & pleasant.

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.

P/No.: MFL37562506

Room Air Conditioner Owner’s Manual

TABLE OF CONTENTS

A. Safety Precautions..............................	3
B. Electrical Safety...................................	8
Temporary Use of an Adapter ...............	8
Temporary Use of an Extension Cord ...	8
Symbols used in this Manual.................	8
C. Product Introduction...........................	9
Indoor Units ...........................................	9
Operation Indication Lamps ..................	9
D. Operating Instructions......................	10
How to insert the Batteries ..................	10
Wireless Remote Controller Maintenance...	10
Operating Method................................	10
Wireless Remote Controller.................	11
Operation Mode...................................	12
Healthy Dehumidification Operation....	13
Auto Operation ....................................	13
Auto Clean...........................................	13
Jet Cool/Heat Operation......................	14
Display Luminosity (Optional) -
Art Cool Mirror Type ............................	14
PLASMA Purification Operation (Optional)..	14
Forced operation .................................	15
Sleep Mode .........................................	16
Setting the Current Time .....................	16
Timer Setting .......................................	16
Vertical / Horizontal Airflow
Direction Control (Optional).................	17
Air Circulation Mode ............................	18
Auto Restart Function..........................	18
E. Maintenance and Service..................	19
Indoor Unit...........................................	19
Outdoor Unit ........................................	21
Operation Tips!....................................	21
Self-Diagnosis Function ......................	21
Troubleshooting Tips! Save time
and money!..........................................	22
Call the service immediately in the
following situations ..............................	22

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 it to prove date of purchase or for warranty issues.

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.

2 Room Air Conditioner

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.

■ 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		Always ground the product.
the dealer, seller, a qualified
electrician, or an Authorized
Service Center.
• Do not disassemble or repair		• There is risk of fire or electric
the product. There is risk of fire		shock.
or electric shock.

Install the panel and the	Always install a dedicated	Use the correctly rated
cover of control box	circuit and breaker.	breaker or fuse.
securely.

•There is risk of fire or electric shock.

•Improper wiring or installation may cause fire or electric shock

•There is risk of fire or electric shock.

Owner's Manual 3

Safety Precautions

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.

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.

Do not install the product on a defective installation stand.

•It may cause injury, accident, or damage to the product.

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.

■ Operation

Do not touch(operate) the	Do not place a heater or
product with wet hands.	other appliances near the
	power cable.

Do not let electric parts of the product get wet.

• There is risk of fire or electrical	• There is risk of fire and electric	• It may cause There is risk of
shock.	shock.	fire, failure of the product, or
		electric shock.

4 Room Air Conditioner

Safety Precautions

Do not store or use flammable gas or combustibles near the product.

•There is risk of fire or failure of product.

If strange sounds, or small or	When the product is soaked
smoke comes from product. Turn	(flooded or submerged),
the breaker off or disconnect the	contact an Authorized
power supply cable.	Service Center.
• There is risk of electric shock or	• There is risk of fire or electric
fire.	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.

Turn the main maintaining the

• There is risk of

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

•This could result in personal injury and product damage.

Owner's Manual 5

Safety Precautions

■ Installation

Always check for gas	Install the drain hose to ensure
(refrigerant) leakage after	that water is drained away
installation or repair of product.	properly.
• Low refrigerant levels may	• A bad connection may cause
cause failure of product.	water leakage.

Do not install the product where the noise or hot air from the outdoor unit could be offensive to the neighborhoods or damage property.

•It may cause a problem for your neighbors.

Use two or more people to lift and transport the product.

• Avoid personal injury.

Keep level even when installing the product.

•To avoid vibration.

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.

6 Room Air Conditioner

Safety Precautions

Do not block the inlet or outlet of air flow.

•It may cause product failure.

Do not step on or put anyting on the product. (outdoor units)

•There is risk of personal injury and failure of product.

Use a soft cloth to clean. Do	Do not touch the metal parts of
not use harsh detergents,	the product when removing the
solvents, etc.	air filter. They are very sharp!
• There is risk of fire, electric	• There is risk of personal injury.
shock, or damage to the plastic
parts of the product.

Always insert the filter	Do not insert hands or other
securely. Clean the filter	objects through the air inlet
every two weeks or more	or outlet while the product
often if necessary.	is operated.
• A dirty filter reduces the efficiency	• There are sharp and moving
of the air conditioner and could	parts that could cause personal
cause product malfunction or	injury.
damage.

Do not drink the water drained from the product.

•It is not sanitary and could cause serious health issues.

Do not recharge or disassemble the batteries. Do not dispose of batteries in a fire.

•They may burn or explode.

Use a firm stool or ladder	Replace the all batteries in the
when cleaning or	remote control with new ones
maintaining the product.	of the same type. Do not mix
	old and new batteries or
	different types of batteries.
• Be careful and avoid personal	• Could adversley effect
injury.	operation.

If the liquid from the batteries gets	If you eat the liquid from the
onto your skin or clothes, wash it	batteries, brush your teeth and
well with clean water. Do not use the	see doctor. Do not use the remote
remote if the batteries have leaked.	if the batteries have leaked.
• The chemicals in batteries could	• The chemicals in batteries could cause
cause burns or other health hazards.	burns or other health hazards.

Owner's Manual 7

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