LG ARNU09GSJA4 Owner’s Manual

OWNER’S MANUAL

AIR

CONDITIONER

Please read this manual carefully before operating your set and retain it for future reference.

WALL MOUNTED

Original instruction

[Representative] LG Electronics Inc. EU Representative : LG Electronics European Shared Service Center B.V. Krijgsman 1, 1186 DM Amstelveen, The Netherlands

[Manufacturer] LG Electronics Inc. Changwon 2nd factory 84, Wanam-ro, Seongsan-gu, Changwon-si, Gyeongsangnam-do, KOREA

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001

MFL69485713	www.lg.com
Rev.21_070418	Copyright © 2017 - 2018 LG Electronics Inc. All Rights Reserved.

Wall Mounted Type Indoor Unit Owner’s Manual

TABLE OF CONTENTS

Safety Precautions....................	3
Prior to Operation......................	8
Product Introduction.................	9
Operating Instructions..............	9
Maintenance and Service .......	10
Before you Call for Service....	13

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

νStaple 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.

•Installation work must be performed in accordance with the National Electric Code by qualified and authorized personnel only.

2	Indoor Unit

Safety Precautions

Safety Precautions

To prevent injury to the user or other people and property damage, the following instructions must be followed.

νIncorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications.

WARNING This symbol indicates the possibility of death or serious injury.

CAUTION This symbol indicates the possibility of injury or damage to properties only.

ν 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.

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Owner’s Manual 3

Safety Precautions

•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.

•Do not turn on the breaker or power under condition that front panel, cabinet, top cover, control box cover are removed or opened.

-Otherwise, it may cause fire, electric shock, explosion or death.

•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.

•Use a vacuum pump or Inert (nitrogen) gas when doing leakage test or air purge. Do not compress air or Oxygen and Do not use Flammable gases. Otherwise, it may cause fire or explosion.

-There is the risk of death, injury, fire or explosion.

Operation

•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.

•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 allow water to run into electric parts.

-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.

4	Indoor Unit

Safety Precautions
• When flammable gas leaks, turn off the gas and open a window
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• Do not use the product in a tightly closed space for a long time.
- Oxygen deficiency could occur.
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.
• Take care to ensure that nobody could step on or fall onto the
outdoor unit.
- This could result in personal injury and product damage.
• 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.
• Do not turn on the breaker or power under condition that front
panel, cabinet, top cover, control box cover are removed or
opened.
- Otherwise, it may cause fire, electric shock, explosion or death.

Owner’s Manual 5

Safety Precautions

CAUTION

Installation

•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.

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

- Avoid personal injury.

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.

6	Indoor Unit

Safety Precautions
• Always insert the filter securely. Clean the filter every two weeks		<![if ! IE]> <![endif]>ENGLISH
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.
• Use a firm stool or ladder when cleaning or maintaining the
product.
- Be careful and avoid personal injury.
• This appliance can be used by children aged from 8 years and
above and persons with reduced physical, sensory or mental
capabilities or lack of experience and knowledge if they have been
given supervision or instruction concerning use of the appliance in
a safe way and understand the hazards involved. Children shall
not play with the appliance. Cleaning and user maintenance shall
not be made by children without supervision.
• This appliance is not intended for use by persons (including
children) with reduced physical, sensory or mental capabilities, or
lack of experience and knowledge unless they have been given
supervision or instruction concerning use of the appliance by a
person responsible for their safety.
Children be supervised to ensure that they do not play with the
appliance.

Owner’s Manual 7

Prior to operation

Prior to Operation

Preparing for operation

1.Contact an installation specialist for installation.

2.Use a dedicated circuit.

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.

8	Indoor Unit

Product Introduction

Here is a brief introduction of the indoor units.

Indoor Units

Air filter

Product Introduction

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Front grille

Signal receiver

Display

On/Off button

Air outlet

Air deflector

(Vertical louver & Horizontal vane)

* The feature can be changed according to the type of model.

NOTE

The number of operation lamps and their locations may vary, depending on the model of the air conditioner.

Operating Instructions

Auto Restart Function

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.

Owner’s Manual 9