LG ARNU24GTSA4 Owner’s Manual

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

CEILING CASSETTE - 2WAY

Original instruction

ARNU09GTSA4 ARNU12GTSA4 ARNU18GTSA4 ARNU24GTSA4

OWNER’S MANUAL

AIR
CONDITIONER

MFL68686422

Rev.01_040519

www.lg.com

Copyright © 2018 - 2019 LG Electronics Inc. All Rights Reserved.

BAHASA INDONESIA

Tiếng Việt

ENGLISH

Table of contents

2 Indoor Unit2 Indoor Unit

3 SAFETY PRECAUTIONS

6 PRIOR TO OPERATION

6 Preparing for operation

6 Cleaning and maintenance

6 Service

6 Usage

7 OPERATING INSTRUCTIONS

7 Forced Operation

7 Auto Restart Function

8 MAINTENANCE AND SERVICE

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

9 Operation Tips

10 Before you call for service...

TABLE OF CONTENTS

Safety Precautions

Owner’s Manual 3

ENGLISH

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

n 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 to properties only.

n 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 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.

• 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,

Safety Precautions

WARNING
CAUTION

!

!

WARNING

!

Safety Precautions

4 Indoor Unit

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.

- 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 smell 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.

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.

CAUTION

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