LG ARNU09GVEA4 INSTALLATION INSTRUCTIONS

INSTALLATION MANUAL

AIR

CONDITIONER

Please read this installation manual completely before installing the product. Installation work must be performed in accordance with the national wiring standards by authorized personnel only.

Please retain this installation manual for future reference after reading it thoroughly.

Convertible

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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MFL68800312	www.lg.com
Rev.00_052319	Copyright © 2017 - 2019 LG Electronics Inc. All Rights Reserved.

Table of Contents

TABLE OF CONTENTS

3SAFETY PRECAUTIONS

9INTRODUCTION

9Symbols used in this Manual

9Features

10	INSTALLATION
10	Installation Parts
10	Installation Tools
12	Wired remote controller installation
13	Installation Map
14	Select the best Location
14	Preparing Work for Installation
15	Mounting the installation plate(Wall Mounting)
15	Mounting the anchor Nut & Bolt(Ceiling Mounting)

17Checking the Drainage

17Panel Front Assembly

18Flaring Work

19Drill a Hole in the Wall

19Connecting the Piping

21Precautions when laying power wiring

21Wiring Connection

23DIP Switch Setting

24Group Control Setting

29Model Designation

29Airborne Noise Emission

29Limiting concentration

2 Indoor Unit

Safety Precautions

Safety Precautions

The following symbols are displayed on indoor and outdoor units.

			Read the precautions in this manual				This appliance is filled with flammable
			carefully before operating the unit.				refrigerant (R32)
							This symbol indicates that a service
			This symbol indicates that the Operation				personnel should be handling this
			Manual should be read carefully.				equipment with reference to the
							Installation Manual.

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.

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! WARNING

Installation

•Compliance with national gas regulations shall be observed.

•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.

Installation Manual 3

Safety Precautions

•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.

•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 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.

•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.

•Have all electric work done by a licensed electrician according to "Electric Facility Engineering Standard" and "Interior Wire Regulations" and the instructions given in this manual and always use a special circuit.

-If the power source capacity is inadequate or electric work is performed improperly, electric shock or fire may result.

•Always intstall a dedicated circuit and breaker.

-Improper wiring or installation may cause fire or electric shock.

•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)

•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.)

4 Indoor Unit

Safety Precautions

•Keep any required ventilation openings clear of obstruction.

•Mechanical connections shall be accessible for maintenance purposes.

•To prevent the mixing of different types of refrigerants, be sure to check the type of refrigerant used in the outdoor unit.

Operation

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•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.

•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 plug or unplug the power supply plug during operation.

-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.

•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, 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.

Installation Manual 5

Safety Precautions

•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.

•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.

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

-This could result in personal injury and product damage.

•When mechanical connectors are reused indoors, sealing parts shall be renewed. (for R32)

•When flared joints are reused indoors, the flare part shall be re-fabricated. (for R32)

•Periodic ( more than once/year ) cleaning of the dust or salt particles stuck on the heat exchanger by using water.

•Do not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacturer.

•Do not pierce or burn refrigerant cycle part.

•Be aware that refrigerants may not contain an odour.

! 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.

6 Indoor Unit

Safety Precautions
• Do not install the product where the noise or hot air from the outdoor unit could
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- It may cause a problem for your neighbors.
damage the neighborhoods.
• Use two or more people to lift and transport the product.
- Avoid personal injury.
• 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.
• Any person who is involved with working on or breaking into a refrigerant circuit should
hold a current valid certificate from an industry-accredited assessment authority, which
authorises their competence to handle refrigerants safely in accordance with an
industry recognised assessment specification. (for R32)
• The appliance shall be stored so as to prevent mechanical damage from occurring.
• Refrigerant tubing shall be protected or enclosed to avoid damage.
• Flexible refrigerant connectors (such as connecting lines between the indoor and
outdoor unit) that may be displaced during normal operations shall be protected
against mechanical damage.
• The installation of pipe-work shall be kept to a minimum.
• Pipe-work shall be protected from physical damage.
• A brazed, welded, or mechanical connection shall be made before opening the valves
to permit refrigerant to flow between the refrigerating system parts.
• Dismantling the unit, treatment of the refrigerant oil and eventual parts should be done
in accordance with local and national standards.

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.

Installation Manual 7

Safety Precautions

•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.

•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.

•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)

•Means for disconnection must be incorporated in the fixed wiring in accordance with the wiring rules.

•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.

8 Indoor Unit

Introduction

Introduction

Symbols used in this Manual

This symbol alerts you to the risk of electric shock.

This symbol alerts you to hazards that may cause harm to the air conditioner.

NOTICE This symbol indicates special notes.

Features

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Vertical louver

Horizontal louver

Air outlet vent

Air filters
(behind front panel)	Remote Controller
Air inlet vent	(Accessory)

Installation Manual 9

Installation

Installation

Read carefully, and then follow step by step.

Installation Parts

Standard Accessories

	Name	Installation plate	Type "A" screw and	Flat washer	(Other)
			plastic anchor
	Quantity	1 EA	6 EA	8 EA
					• Owner's manual
					• Installation manual
					• Drain Hose
	Shape				• Wood screw for indoor

Installation Tools

Figure	Name	Figure	Name
	Screw driver		Multi-meter
	Electric drill		Hexagonal wrench
	Measuring tape, Knife		Ammeter
	Hole core drill		Gas-leak detector
	Spanner		Thermometer,
			Level
	Torque wrench		Flaring tool set

10 Indoor Unit