LG L4UC488FA0 Manual de usuario

Air Conditioner

INSTALLATION MANUAL

website http://www.lgservice.com

e-mail http://www.lgeservice.com/techsup.html

IMPORTANT

• Please read this installation manual completely before

installing the product.

• When the power cord is damaged, replacement work shall

be performed by authorized personnel only.

• Installation work must be performed in accordance with

the national wiring standards by authorized personnel

only.

2Room Air Conditioner

Multi Type Air Conditioner Installation Manual

TABLE OF CONTENTS

The following should be

always observed for safety....................................3~6

Installation of indoor, outdoor unit .......................7~9

Flaring work and connection of piping.............10~13

Connecting the Cable between Indoor Unit and

Outdoor Unit........................................................14~16

Checking the Drainage, Forming the

Pipings and Long Pipe Setting..........................17~18

Air Purging...........................................................19~20

Test running...............................................................21

❏Level gauge

❏Screw driver

❏Electric drill

❏Hole core drill (ø50mm)

❏Horizontal meter

❏Flaring tool set

❏Specified torque wrenches

1.8kg.m, 4.2kg.m, 5.5kg.m, 6.6kg.m

(different depending on model No.)

❏Spanner .................Half union

❏A glass of water

❏Screw driver

❏Hexagonal wrench(4mm)

❏Gas-leak detector

❏Vacuum pump

❏Gauge manifold

❏Owner's manual

❏Thermometer

❏Holder Remote Control

Installation Requirements Required Tools

Installation Parts Provided

Installation Manual 3

Installation Parts Provided

Type "A" screws and plastic anchors

Type "B" screws Holder Remote Control

Installation plate

Standard Type

more than

70cm

more than

30cm

more than

30cm

Air Outlet

Air Intake

(side, rear)

Connection pipe

Drain hose

Connecting wire

Control cover

more than

30cm

4Room Air Conditioner

Safety Precautions

To prevent injury to the user or other people and property damage, the following instructions

must be followed.

■

Incorrect operation due to ignoring instruction will cause harm or damage.The

seriousness is classified by the following indications.

■Meanings of symbols used in this manual are as shown below.

WARNING

CAUTION

This symbol indicates the possibility of death or serious injury.

This symbol indicates the possibility of injury or damage.

WARNING

Be sure not to do.

Be sure to follow the instruction.

■Installation

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 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.

Installation Manual 5

Safety Precautions

Do not modify or extend the power cable.

• There is risk of fire or electric shock.

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 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 store or use flammable gas or combustibles

near the product.

• There is risk of fire or failure of product.

■Operation

Gasolin

6Room Air Conditioner

Safety Precautions

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.

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.

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.

CAUTION

90˚

■Installation

Indoor unit

1. Do not have any heat or steam near the unit.

2. Select a place where there are no obstacles

in front of the unit.

3. Make sure that condensation drainage can be

conveniently routed away.

4. Do not install near a doorway.

5. Ensure the spaces indicated by arrows from

the wall, ceiling, fence or other obstacles.

6. Use a stud finder to locate studs to prevent

unnecessary damage to the wall.

Outdoor unit

1. If an awning is built over the unit to prevent

direct sunlight or rain exposure, make sure

that heat radiation from the condenser is not

restricted.

2. Ensure that the spaces indicated by arrows

around front, back and side of the unit.

3. Do not place animals and plants in the path

of the warm air.

4.Take the air conditioner weight into account

and select a place where noise and vibration

are minimum.

5. Select a place so that the warm air and noise

from the air conditioner do not disturb

neighbors.

Rooftop Installations:

If the outdoor unit is installed on a roof

structure, be sure to level the unit. Ensure the

roof structure and anchoring method are

adequate for the unit location. Consult local

codes regarding rooftop mounting.

Installation Manual 7

More than 10cm

More than

5cm

More than 2.3m

More than

5cm

More than

40cm

5cm

100cm

more than

70cm

more than

30cm

more than

30cm

more than

30cm

More than 5cm

More than

5cm

More than 2.3m More than

5cm

Installation of Indoor, Outdoor Unit

Read completely, then follow step by step.

Select the best location

CAUTION: Install the indoor unit

on the wall where the height from

the floors more than 2.3 meters.

8Room Air Conditioner

Installation of Indoor, Outdoor Unit

Multi Piping Type

Piping length and elevation

CAUTION: Capacity is based on standard length and maximum allowance

length is on the basis of reliability. Oil trap should be installed every 5~7

meters.

It does not matter which unit is higher.

1.1 The maximun allowable level, piping length and Refrigerant Charge

7.5m

[Outdoor Unit]

[Indoor Unit]

Sandard Length Max piping

A,B,C,D,E A B C D Ø9.52mm over Ø12.7mm

L4UC488FA0 7.5m 25m 25m 25m 25m 60m(A+B+C+D) 20g/m 30g/m

Model

[Outdoor Unit] Pipe Size(Gas)

Max total piping

length

over the total 30m pipe length

Additional Charge

❈Extra refrigerant = (Extended length - Rated length) x Additional refrigerant

Installation Manual 9

Installation of Indoor, Outdoor Unit

The wall you select should be strong and solid

enough to prevent vibration

1. Mount the installation plate on the wall with

type "A" screws. If mounting the unit on a

concrete wall, use anchor bolts.

• Mount the installation plate horizontally by

aligning the centerline using a level.

2. Measure the wall and mark the centerline. It

is also important to use caution concerning

the location of the installation plate-routing

of the wiring to power outlets is through the

walls typically. Drilling the hole through the

wall for piping connections must be done

safely.

How to fix installation plate

Installation Plate

Type "A" screw

Installation plate

Ø70mm

Left rear piping Right rear piping

AØ70mm

(SU) (S3)

Right rear piping

Installation plate

SU(9k~12k) 92 44 67 44

S3(18K) 58 3 292 3

CHASSIS (Grade) Distance (mm)

ABCD

• Drill the piping hole with a ø70mm hole core

drill. Drill the piping hole at either the right or

the left with the hole slightly slanted to the

outdoor side.

Drill a hole in the wall

5-7mm

(3/16"~5/16")

Indoor WALL Outdoor

Standard / Artcool Deluxe type

10 Room Air Conditioner

Flaring Work and Connection of Piping

Flaring work

Main cause for gas leakage is due to defect in flaring work. Carry out correct flaring work in the

following procedure.

Cut the pipes and the cable.

1. Use the piping kit accessory or the pipes

purchased locally.

2. Measure the distance between the indoor and

the outdoor unit.

3. Cut the pipes a little longer than measured

distance.

4. Cut the cable 1.5m longer than the pipe length.

Burrs removal

1. Completely remove all burrs from the cut cross

section of pipe/tube.

2. Put the end of the copper tube/pipe in a

downward direction as you remove burrs in

order to avoid dropping burrs into the tubing.

Putting nut on

• Remove flare nuts attached to indoor and

outdoor unit, then put them on pipe/tube having

completed burr removal.

(not possible to put them on after flaring work)

Flaring work

• Carry out flaring work using flaring tool as shown

below.

• Firmly hold copper pipe in a die in the dimension

shown in the table above.

Copper

pipe

90°Slanted Uneven Rough

Pipe Reamer

Point down

Flare nut

Copper tube

mm inch mm

Ø6.35 1/4 0~0.5

Ø9.52 3/8 0~0.5

Ø12.7 1/2 0~0.5

Outside diameter A

Bar

Copper pipe

Clamp handle Red arrow mark

Cone

Yoke

Handle

Bar

"A"

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