LG ARNU073TUD4 Owner's Manual

<![if ! IE]>

<![endif]>ESPAÑOL FRANÇAIS ENGLISH

OWNER’S MANUAL

AIR

CONDITIONER

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

CEILING CASSETTE - 1WAY

www.lghvac.com

www.lg.com

MFL68686402

Copyright © 2014 - 2020 LG Electronics Inc. All Rights Reserved.

Rev.26_061120

Table of contents

TABLE OF CONTENTS

3SAFETY PRECAUTIONS

6PRIOR TO OPERATION

6Preparing for Operation

6Usage

6Cleaning and Maintenance

6Service

7Forced Operation

7Auto Restart Function

8MAINTENANCE AND SERVICE

10When the air conditioner is not going to be used for a long time.

10Operation Tips

11Before you call for service...

12WARRANTY (USA)

14 WARRANTY (CANADA)

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.

•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.

<![if ! IE]>

<![endif]>ENGLISH

Owner’s Manual 3

Safety Precautions

•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.

•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.

4	Indoor Unit

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.

•The Limited Warranty is void and of no effect, and LG will have no liability hereunder to any Customer or third party, to the extent any of the following occur: acts, omissions, and conduct of any and all third parties including, but not limited to, the installing contractor and any repairs, service or maintenance by unauthorized or unqualified persons.

•Do not install the unit in potentially explosive atmospheres.

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 anything 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.

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

-Be careful and avoid personal injury.

<![if ! IE]>

<![endif]>ENGLISH

Owner’s Manual 5

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.

6	Indoor Unit