LG LBUH366GSS0 Manuel utilisateur

LG Concealed Duct

Air Conditioner

INSTALLATION MANUAL

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.

• Please retain this installation manual for future reference

after reading it thoroughly.

2Concealed Duct Air Conditioner

Ceiling Duct Type Air Conditioner Installation Manual

TABLE OF CONTENTS

Safety Precautions..............3

Introduction .........................8

Installation of Indoor,

Outdoor Unit ........................9

Connecting Pipes to the

Indoor Unit .........................19

Connecting Pipes to the

Outdoor Unit ......................21

Checking the Drainage .....21

Connecting Cables

between Indoor Unit and

Outdoor Unit ......................22

Air Purging and

Evacuation .........................26

Group Control....................28

Two Thermistor system ....28

E.S.P.(External Static

Pressure) Setting ..............29

How to Set E.S.P? .............29

External Static Pressure &

air Flow...............................31

Checking the Power Cord &

Test Running .....................32

Installation Guide at the

Seaside...............................33

Installation

Requirements Required Parts Required Tools

•

Four Type “A” screws

•

Connecting cable

•

Level

•

Screw driver

•

Electric drill

•

Hole core drill (ø70mm)

•

Pipes: Gas side .....5/8", 3/4"

Liquid side .............1/4", 3/8", 1/2"

•

Insulated drain hose

•

Insulation materials

•

Flaring Tools set

•

Additional Drain hose

(Inner Dia...............25mm)

•

Screw driver

•

Hexagonal Wrench (4mm/5mm)

•

Gas-leak Detector

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.

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.

Safety Precautions

Installation Manual 3

Safety Precautions

■Operation

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.

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.

Gasolin

4Concealed Duct Air Conditioner

Safety Precautions

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.

Safety Precautions

Installation Manual 5

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 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 small 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.

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.

6Concealed Duct Air Conditioner

Safety Precautions

■Installation

CAUTION

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.

90°

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.

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.

■Operation

Do not step on or put anyting on the product.

(outdoor units)

•There is risk of personal injury and failure of

product.

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.

Safety Precautions

Installation Manual 7

8Concealed Duct Air Conditioner

Installation Parts Provided

Air filters

Air outlet vents

Air intake vents

Remote Controller

(Side) (Rear)

Air intake vents

Air outlet vents

Piping

Drain hose

Connecting wire

Control cover

(Side) (Rear)

Air outlet

vents

Air intake

vents

Connecting Wire

Drain Hose

Connection Pipe

Control Cover

Air intake

vents

Piping

Drain hose

Connecting

wire

Control cover

Air outlet vents

This symbol alerts you to the risk of electric shock.

This symbol alerts you to hazards that could cause harm to the

air conditioner.

This symbol indicates special notes.

NOTICE

Introduction

Symbols Used in this Manual

Features

Installation Manual 9

Installation of Indoor, Outdoor Unit

Indoor unit

Install the air conditioner in the location that

satisfies the following conditions.

•The place shall easily bear a load exceeding

four times the indoor unit’s weight.

•The place shall be able to inspect the unit as

the figure.

•The place where the unit shall be leveled.

•The place shall allow easy water

drainage.(Suitable dimension “H”is necessary

to get a slope to drain as figure.)

•The place shall easily connect with the

outdoor unit.

•The place where the unit is not affected by an

electrical noise.

•The place where air circulation in the room will

be good .

•There should not be any heat source or steam

near the unit

Outdoor unit

•If an awning is built over the unit to prevent

direct sunlight or rain exposure, be careful that

heat radiation from the condenser is not

restricted.

•There should not be any animals or plants

which could be affected by hot air discharged.

•Ensure the spaces indicated by arrows from

the wall, ceiling, fence or other obstacles.

•Take the weight of the air conditioner into

account and select a place where noise and

vibration are minimum.

•Select a place where the warm air and noise

from the air conditioner do not disturb

neighbors.

Selection of the best location

600600

Top view

(unit: mm)

Front view

Front

Inspection hole

(600X600)

Control box

1000

More than

30cm

More than

30cm

More than

70cm

Sunroof

Fence or

obstacles

More than

90cm

More than 90cm

More than 120cm

More than

90cm

Fence or

obstacles

Fence or

obstacles

Fence or

obstacles

10 Concealed Duct Air Conditioner

Installation of Indoor, Outdoor Unit

Piping length and the elevation

Outdoor unit

Indoor unit

Outdoor unit

Indoor unit

Oil trap

Outdoor unit

Indoor unit

CAUTION:

•If 60k Model is installed at a distance of 15m, 600g of refrigerant

should be added (15-7.5) x 80g = 600g

•Capacity is based on standard length and maximun allowance length

is on the basis of reliability.

•Improper refrigerant charge may result in abnormal cycle.

•Oil trap should be installed every 10 meters.

Gas Liquid Standard Max. Standard Max

30k Btu/h 15.88(5/8") 6.35(1/4") 7.5 50 5 30 45

36k Btu/h(1Ø)

15.88(5/8") 6.35(1/4") 7.5 50 5 30 60

36k Btu/h(3Ø)

15.88(5/8") 6.35(1/4") 7.5 50 5 30 40

42k Btu/h 19.05(3/4") 9.52(3/8") 7.5 50 5 30 60

48k Btu/h 19.05(3/4") 9.52(3/8") 7.5 50 5 30 70

60k Btu/h 19.05(3/4") 9.52(3/8") 7.5 50 5 30 80

Capacity

Pipe Size Length A(m) Elevation B(m)

*Additional

(Diameter:Ø)refrigerant(g/m)

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