LG ARNU12GTRB4 User manual

OWNER’S MANUAL

AIR CONDITIONER

ENGLISH

Please read this manual carefully before operating your set and retain it for future reference. Installation work must be performed in accordance with the national wiring standards by authorized personnel only. This equipment shall be provided with a supply conductor complying with the national regulation.

CEILING CASSETTE

Original instruction

MFL69460003

Rev.02_061620

www.lg.com

Table of contents

TABLE OF CONTENTS

3 SAFETY INSTRUCTIONS

7 PRIOR TO OPERATION

7 Preparing for operation

7 Usage

7 Cleaning and maintenance

7 Service

8 OPERATING INSTRUCTIONS

8 Forced Operation

8 Auto Restart Function

9 MAINTENANCE AND SERVICE

9 Ceiling Cassette - 1Way (Grille Type)

10 Ceiling Cassette - 1Way (Panel Type)

11 Ceiling Cassette - 2Way

12 Ceiling Cassette - 4Way

13 Ceiling Cassette - Round

14 Ceiling Concealed Duct & Fresh Air Intake Unit

15 Concealed Floor Standing

16 Art Cool Gallery Series

18 Wall Mounted

19 Convertible

20 Console

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

21 Operation Tips

22 Before you call for service...

2 Indoor Unit

Safety Instructions

The following symbols are displayed on indoor and outdoor units

Safety Instructions

ENGLISH

Read the precautions in this manual carefully before operating the unit.

This symbol indicates that the Operation Manual should be read carefully.

The following safety guidelines are intended to prevent unforeseen risks or damage from unsafe or incorrect operation of the appliance.

The guidelines are separated into ‘WARNING’ and ‘CAUTION’ as described below.

This symbol is displayed to indicate matters and operations that can cause risk.

Read the part with this symbol carefully and follow the instructions in order to avoid risk.

WARNING

This indicates that the failure to follow the instructions can cause serious injury or death.

CAUTION

This indicates that the failure to follow the instructions can cause the minor injury or damage to the product.

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 anAuthorized Service Center.

- Do not disassemble or repair the product. There is risk of fire or electricshock.

• 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 edgesand 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.

This appliance is filled with flammable refrigerant (for R32)

This symbol indicates that a service personnel should be handling this equipment with reference to the Installation Manual.

Owner’s Manual 3

Safety Instructions

• 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 propertydamage, product failure, and

personal injury.

• Use a vacuum pump or Inert (nitrogen) gas when doing leakage test or airpurge. 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.

• The appliance shall be stored in a well-ventilated area where the room size corresponds to the room area as specified for operation. (for R32)

• Ducts connected to an appliance shall not contain an ignition source. (for R32)

• The appliance shall be stored in a room without continuously operating ignition sources (for example: open flames, an operating gas appliance or an operating electric heater.)

• Keep any required ventilation openings clear of obstruction.

Operation

• Take care to ensure that power cable could not be pulled out or damagedduring 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 forventilation before turn the product on.

- Do not use the telephone or turn switches on or off. There is risk ofexplosion or fire.

• If strange sounds, smell or smoke comes from product. Turn the breaker offor 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 hurricanearrives.

- 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 AuthorizedService 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 astove, 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.

4 Indoor Unit

Safety Instructions

• 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 veryhigh 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.

CAUTION

Installation

• Do not install the unit in potentially explosive atmospheres.

• Always check for gas (refrigerant) leakage after installation or repair ofproduct.

- 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.

• Any person who is involved with working on or breaking into arefrigerant circuit should hold a current valid certificate from an industryaccredited assessment authority, which authorizes their competence tohandle refrigerants safely in accordance with an industry recognizedassessment specification. (for R32)

• The appliance shall be stored so as to prevent mechanical damage from occurring.

• Do not install the product where the noise or hot air from the outdoor unitcould damage the neighborhoods.

- It may cause a problem for your neighbors.

• If anyone other than a licensed professional installs, repairs, or alters LGElectronics air conditioning products, the warranty is voided.

- All costs associated with repair are then the full responsibility of theowner.

• 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.

• Contact the authorized service technician for repair or maintenance of this unit.

• Contact the installer for installation of this unit.

• 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.

• The air conditioner should be used only for the applications for which it has been designed : the indoor unit is not suitable to be installed in areas used for laundry.

ENGLISH

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 precisionrefrigeration 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.

Owner’s Manual 5

Safety Instructions

• 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 ofthe product.

• Do not touch the metal parts of the product when removing the airfilter. 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 ormore often if necessary.

- A dirty filter reduces the efficiency of the air conditioner and couldcause product malfunction or damage.

• Do not insert hands or other objects through the air inlet or outlet whilethe 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.

• Servicing shall only be performed as recommended by the equipment manufacturer. Maintenance and repair requiring the assistance of other skilled personnel shall be carried out under the supervision of the person competent in the use of flammable refrigerants. (for R32)

• This appliance is not intended for use by persons (including children)with reduced physical, sensory or mental capabilities or lack ofexperience and knowledge, unless they have been given supervisionor instruction concerning use of the appliance by a person responsiblefor their safety.

- Children should be supervised to ensure that they do not play withthe appliance.

• This appliance can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities orlack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way andunderstand the hazards involved. Children shall not play with the appliance. Cleaning and user maintenance shall not be made by children without supervision.

• If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard.

• Do not touch refrigerant pipe and water pipe or any internal parts while the unit is operating or immediately after operation.

- It can cause a burn or frostbite.

• 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.

• 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

6 Indoor Unit

Prior to Operation

ENGLISH

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.

Owner’s Manual 7

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