LG LRNV386TDA0, LRNV246TDA0, LRNV426TDA0, LRNN426TDA0, LRNV362TDA0 INSTALLATION MANUAL

website http://www.lgservice.com

LG

System

Heat Pump Indoor Unit

INSTALLATION MANUAL

MODELS: LRNN, LRNV-TE/TD Series

Type: Ceiling Mounted Cassette - 4Way

IMPORTANT

•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.

Ceiling Mounted Cassette - 4Way Type Indoor Unit Installation Manual

TABLE OF CONTENTS

Installation Requirements

Installation Parts ....................	3
Safety Precautions .................	4
Installation

Selection of the best location 7

Ceiling dimension and hang-
ing bolt location ......................	8
Wiring Connection .................	9
Installation of Deco ration
Panel ....................................	10
Installation of Remote
Control..................................	13
Drain Pipe Work...................	14

Installation of Drain Pump...16

Optional Operation

..............18

Required Parts		Required Tools

Installation guide map

Four type "A" screws & plastic anchors

Connecting cable

Pipes: Gas side

Liquid side

(Refer to Product Data)

Insulation materials

Additional drain pipe

Level gauge

Screw driver

Electric drill

Hole core drill

Horizontal meter

Flaring tool set

Specified torque wrenches (different depending on model No.)

Spanner .......Half union

Hexagonal wrench

Gas-leak detector

Vacuum pump

Gauge manifold

Owner's manual

Thermometer

2 Indoor Unit

Installation Parts

Installation Parts

Anti-bacteria filter

Air

Intake

Air Outlet

	Name	Drain hose	Clamp metal	Washer for	Clamp	Insulation for	(Other)
				hanging backet		fitting
	Quantity	1 EA	1 EA	8 EA	8 EA	1 SET
							• Paper pattern for
							installation
							• Owner's manual
	Shape					for gas pipe	• Installation manual
						for liquid pipe

Installation Manual 3

Safety Precautions

Safety Precautions

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

■Be sure to read before installing the air conditioner.

■Be sure to observe the cautions specified here as they include important items related to safety.

■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.

■ 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.

Install the panel and the cover of control box securely.

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 install a dedicated circuit and breaker.

• There is risk of fire or electric shock.	• Improper wiring or installation may
	cause fire or electric shock

Always ground the product.

• There is risk of fire or electric shock.

Use the correctly rated breaker or fuse.

• There is risk of fire or electric shock.

4 Indoor Unit

Safety Precautions

Do not modify or extend the power cable.

• There is risk of fire or electric shock.

For installation, always contact the dealer or an Authorized Service Center.

•There is risk of fire, electric shock, explosion, or injury.

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 install the product on a defective installation stand.

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.

Be sure the installation area does not deteriorate with age.

• It may cause injury, accident, or	• If the base collapses, the air condi-
damage to the product.	tioner could fall with it, causing prop-
	erty damage, product failure, and
	personal injury.

Do not store or use flammable gas or combustibles near the product.

• There is risk of fire or failure of product.

Gasolin

Installation Manual 5

Safety Precautions

■ Installation

Always check for gas (refrigerant) leakage after installation or repair of product.

• Low refrigerant levels may cause

Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods.

•It may cause a problem for your neighbors.

Keep level even when installing

-the product.

• To avoid vibration or water leakage.

90˚

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.

6 Indoor Unit