LG L8UH100BFA0 Manuale utente

P/NO : 3828A20480C

www.lg.com

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.

TYPE : Multi

ENGLISH ESPAÑOL

2Multi Type Air Conditioner

Multi Type Air Conditioner Installation Manual

TABLE OF CONTENTS

Safety Precautions .....3

Installation of Indoor,

Outdoor unit................6

Indoor Unit installation

......................................9

Wired Remote Controller

Installation

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

Wiring Connection....19

Connecting the Cable

between Indoor Unit

and Outdoor Unit ......20

Installation of

Decorative Panel.......24

Indoor Unit Drain

Piping.........................25

Air Purging and

Evacuation.................28

Test Running .............30

Optional Operation ...32

Installation guide at the

seaside ......................37

•

Connecting cable

• Four Type "A" Screw

• Hanging Bolt

(W 3/8 or M10 length 650 mm)

• Pipes: Gas side

Liquid side

• Insulated drain hose

• Additional Drain hose

Inner Dia

Cassette type............32 mm

Duct type...................25 mm

Convertible type........25 mm

•

Level

•

Screw driver

•

Electric drill

•

Hole core drill (ø70 mm)

• Flaring Tools set

• Torque Wrenches

• Hexagonal Wrench (4 mm, 5 mm)

• Gas-leak detector

•

Owner’s Manual

•

Thermometer

Installation

Requirements Required Parts Required Tools

Safety Precautions

Installation Manual 3

ENGLISH

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.

Safety Precautions

■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.

4Multi Type Air Conditioner

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.

■Operation

Gasolin

Do not store or use flammable gas or

combustibles near the product.

• There is risk of fire or failure of product.

It is recommended to install the indoor unit

into the one big space, rather than into the

some small spaces.

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.

Installation Manual 5

ENGLISH

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

6Multi Type Air Conditioner

Installation of Indoor, Outdoor Unit

1. Indoor unit

Cassette type

• There should not be any heat source or steam

near the unit.

• There should not be any obstacles to prevent

the air circulation.

• A place where air circulation in the room will

be good.

• A place where drainage can be easily

obtained.

• A place where noise prevention is taken into

consideration.

• Do not install the unit near the door way.

• Ensure the spaces indicated by arrows from

the wall, ceiling, or other obstacles.

• The indoor unit must keep the maintenance

space.

Duct type

• 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

Selection of the best location

Unit:mm

Ceiling

Ceiling Board

20 or more

1500

or more

500 or

Floor

600

Top view

(unit: mm)

Front view

Front

Inspection Hole

(600X600)

Inspection Hole

(600X600)

Control box

1000

Installation of Indoor, Outdoor Unit

Installation Manual 7

ENGLISH

Wall Mounted Type

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.

2. 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.

More than 20 cm

More than

10 cm

Higher than eye-level

More than

10 cm

More than 20 cm

More than 10 cm

more than

90 cm

more than

50 cm

more than

90 cm

more than

50 cm

CAUTION: Install the indoor unit

on the wall where the height from

the floors more than 2.3 meters.

8Multi Type Air Conditioner

Installation of Indoor, Outdoor Unit

Distributor Type (m)

Additional Refrigerant Charging Amount

Piping length and elevation

Branch Pipe

Main Pipe

Distributor

L8UC/H100BFA0 With Distributor

60 A = 30 30 15 h1=30 10

None Distributor

50 B = 50 - - h2=30 10

L8UC100BFA1 With Distributor

110 A = 50 60 30 h1=45 10

None Distributor

50 B = 50 - - h2=45 10

L8UC150BFA1 With Distributor

110 A = 50 60 30 h1=45 10

L8UC150BFE1

Total Length Max Main Pipe

Length (A/B)

Total Branch

Pipe Length

Max Branch

Pipe Length

Max Elevation

(h1/h2)

Indoor - Indoor

Elevation (h3)

Model

48 kBtu/h Ø19.05 Ø9.52 50

Main Pipe 60 kBtu/h Ø19.05 Ø9.52 50

90 kBtu/h Ø25.4 Ø12.7 120

12/18 kBtu/h Ø12.7 Ø6.35 20

Branch Pipe 24/30/36 kBtu/h Ø15.88 Ø6.35 30

48 kBtu/h Ø19.05 Ø9.52 50

Additional

Refrigerant

(g/m)

Connecting Pipe

Diameter [mm]

Gas Liquid

Installation Manual 9

ENGLISH

• Select and mark the position for fixing bolts

and piping hole.

• Decide the position for fixing bolts slightly

tilted to the drain direction after considering

the direction of drain hose.

• Drill the hole for anchor bolt on the wall.

CAUTION:

•

This air-conditioner uses a drain pump.

• Horizontly install the unit using a

level gauge.

•

During the installation, care should be

taken not to damage electric wires.

• Thoroughly study the following installation locations:

1. In such places as restaurants and kitchens, considerable amount of oil steam and flour

adhere to the turbo fan, the fin of the heat exchanger and the drain pump, resulting in heat

exchange reduction, spraying, dispersing of water drops, drain pump malfunction, etc.

In these cases, take the following actions:

• Make sure that the ventilation fan for smoke-collecting hood on a cooking table has

sufficient capacity so that it draws oily steam which should not flow into the suction of the

air conditioner.

• Make enough distance from a cooking room to install the air conditioner in such a place

where it may not suck in oily steam.

2. Avoid installing air conditioner in such circumstances where cutting oil mist or iron powder is

in suspension in factories, etc.

3. Avoid places where inflammable gas is generated, flows in, is stored or vented.

4. Avoid places where sulfurous acid gas or corrosive gas is generated.

5. Avoid places near high frequency generators.

NOTICE

Indoor Unit Installation

• The dimensions of the paper model for installing are the same as those of the ceiling opening dimensions.

Ceiling board

Level gauge

Ceiling

Use the ventilation fan

for smoke-collecting

hood with sufficient

capacity.

Cooking table

Air conditioner

Take enough

distance

Unit:mm

744 Unit size

658 (Hanging bolt)

6666

790 (Ceiling opening)

572(Hanging bolt) 109

109

Unit:mm

570 Unit size

450 (Hanging bolt)

7575

600 (Ceiling opening)

521(Hanging bolt) 39.5

39.5

Unit:mm

840 Unit size

672 (Hanging bolt) 101.5101.5

875 (Ceiling opening)

785 (Hanging bolt) 45

TE TF TD

Indoor Unit Installation

1. Cassette type

10 Multi Type Air Conditioner

Wall

5~7mm

Indoor Outdoor

Set screw of

paper model (4 pieces)

Paper model

for installation

Ceiling board

150mm

Adjust the same height

Ceiling board

Ceiling

Flat washer for M10

(accessory)

Keep the length of the bolt

from the bracket to 40mm

Open the ceiling board

along the outer edge of the

paper model

Flat washer for M10

(accessory)

Hanging bolt

(W3/8 or M10)

Nut

(W3/8 or M10)

Nut

(W3/8 or M10)

Spring washer

(M10)

Air Conditioner body

Indoor Unit Installation

• The following parts is option.

① Hanging Bolt - W 3/8 or M10

② Nut - W 3/8 or M10

③ Spring Washer - M10

④ Plate Washer - M10

CAUTION:

Tighten the nut and

bolt to prevent unit falling.

• Drill the piping hole on the wall slightly tilted to the

outdoor side using a Ø 70 hole-core drill.

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