LG UU09W.ULD Installation guide

INSTALLATION MANUAL

AIR

CONDITIONER

www.lg.com

High Efﬁciency Inverter

Original instruction

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.

Ɠ This product contains Fluorinated Greenhouse Gases. (R410A)

[

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

P/NO : MFL67855401

ITALIANO ESPAÑOL

FRANÇAIS

DEUTSCH

ΕΛΛΗΝΙΚΆ

ČEŠTINA

NEDERLANDS

POLSKI

LIMBA ROMÂNĂ

ENGLISH

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2

Air Conditioner Installation Manual

TABLE OF CONTENTS

Safety Precautions .....3

Installation of Indoor,

Outdoor unit................7

The indoor unit

installation.................10

Remote controller

installation.................25

Wiring connection ....29

Connecting Pipes to

the Indoor Unit ..........31

Installation to

decorative panel .......33

Indoor unit drain

piping .........................34

Test running ..............41

Optional operation....43

•

Connecting cable

• Four Type "A" Screw

• Hanging Bolt

(W 3/8 or M10 length 650mm)

• Pipes: Gas side

Liquid side

• Insulated drain hose

• Additional Drain hose

Inner Dia

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

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

• Additional drain pipe

(Convertible type)

(Outer diameter .....15.5mm)

•

Level

•

Screw driver

•

Electric drill

•

Hole core drill (ø70mm)

• Flaring Tools set

• Torque Wrenches

• Hexagonal Wrench (4mm, 5mm)

• Gas-leak detector

•

Owner’s Manual

•

Thermometer

Installation

Requirements

Required Parts Required Tools

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Safety Precautions

Installation Manual 3

ENGLISH

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

must be followed.

n Be sure to read before installing the air conditioner.

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

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

classified by the following indications.

n The meanings of the symbols used in this manual are as shown below.

This symbol indicates the possibility of death or serious injury.

This symbol indicates the possibility of injury or damage to properties only.

n Installation

Be sure not to do.

Be sure to follow the instruction.

Safety Precautions

Always perform

grounding.

• Otherwise, it may cause

electrical shock.

Don’t use a power

cord, a plug or a loose

socket which is dam-

aged.

• Otherwise, it may cause

a fire or electrical shock.

For installation of the

product, always con-

tact the service center

or a professional instal-

lation agency.

• Otherwise, it may cause

a fire, electrical shock,

explosion or injury.

Securely attach the

electrical part cover to

the indoor unit and the

service panel to the

outdoor unit.

• If the electrical part

cover of the indoor unit

and the service panel of

the outdoor unit are not

attached securely, it

could result in a fire or

electric shock due to

dust, water, etc.

Always install an air

leakage breaker and a

dedicated switching

board.

• No installation may

cause a fire and

electrical shock.

Do not keep or use

flammable gases or

combustibles near the

air conditioner.

• Otherwise, it may cause

a fire or the failure of

product.

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4

Safety Precautions

Do not share the outlet

with other appliances.

• It will cause an electric

shock or a fire due to

heat generation.

Do not use the

damaged power cord.

• Otherwise, it may cause

a fire or electrical shock.

Do not modify or

extend the power cord

randomly.

• Otherwise, it may cause

a fire or electrical shock.

Take care so that the

power cord may not be

pulled during operation.

• Otherwise, it may cause

a fire or electrical shock.

Unplug the unit if

strange sounds, smell,

or smoke comes from it.

• Otherwise, it may cause

electrical shock or a fire.

Keep the flames away.

• Otherwise, it may cause

a fire.

n Operation

Use caution when unpacking and

installing.

• Sharp edges may cause injury.

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.

Ensure that an

installation frame of the

outdoor unit is not

damaged due to use

for a long time.

• It may cause injury or an

accident.

Do not disassemble or

repair the product

randomly.

• It will cause a fire or

electrical shock.

Do not install the

product at a place that

there is concern of

falling down.

• Otherwise, it may result

in personal injury.

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Installation Manual 5

Safety Precautions

ENGLISH

Take the power plug

out if necessary,

holding the head of the

plug and do not touch

it with wet hands.

• Otherwise, it may cause

a fire or electrical shock.

Do not use the power

cord near the heating

tools.

• Otherwise, it may cause

a fire and electrical

shock.

Do not open the

suction inlet of the

indoor/outdoor unit

during operation.

• Otherwise, it may

electrical shock and

failure.

Do not allow water to

run into electrical

parts.

• Otherwise, it may cause

the failure of machine or

electrical shock.

Hold the plug by the

head when taking it

out.

• It may cause electric

shock and damage.

Never touch the metal

parts of the unit when

removing the filter.

• They are sharp and may

cause injury.

Do not step on the

indoor/outdoor unit

and do not put

anything on it.

• It may cause an injury

through dropping of the

unit or falling down.

Do not place a heavy

object on the power

cord.

• Otherwise, it may cause

a fire or electrical shock.

When the product is

submerged into water,

always contact the

service center.

• Otherwise, it may cause

a fire or electrical shock.

Take care so that children may not step on the outdoor unit.

• Otherwise, children may be seriously injured due to falling down.

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6

Safety Precautions

n Installation

Install the drain hose to

ensure that drain can

be securely done.

• Otherwise, it may cause

water leakage.

Install the product so

that the noise or hot

wind from the outdoor

unit may not cause any

damage to the

neighbors.

• Otherwise, it may cause

dispute with the

neighbors.

Always inspect gas

leakage after the

installation and repair

of product.

• Otherwise, it may cause

the failure of product.

Keep level parallel in installing the

product.

• Otherwise, it may cause vibration or

water leakage.

Please install safely at a place that

can sufficiently endure the weight of

the product.

• If the strength is not sufficient, the

product may fall and cause injury.

n Operation

Avoid excessive

cooling and perform

ventilation sometimes.

• Otherwise, it may do

harm to your health.

Use a soft cloth to

clean. Do not use wax,

thinner, or a strong

detergent.

• The appearance of the

air conditioner may

deteriorate, change

color, or develop surface

flaws.

Do not use an

appliance for special

purposes such as

preserving animals

vegetables, precision

machine, or art articles.

• Otherwise, it may

damage your properties.

Do not place obstacles around the flow inlet or outlet.

• Otherwise, it may cause the failure of appliance or an accident.

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Installation of Indoor, Outdoor Unit

Installation Manual 7

ENGLISH

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

shown 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

You need to select adequate installation location considering the following conditions, and make

sure to acquire the consent of the user.

Selection of the best location

Unit:cm

Ceiling

Ceiling Board

30 or more

Above 250

330 or less

100

or more

50 or

more

50 or

more

30 or less

Floor

H

600600

Top view

(unit: mm)

Front view

Front

Inspection hole

(600X600)

Control box

1000

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8

Installation of Indoor, Outdoor Unit

Convertible type

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

• Select a place where there are no obstacles in

front of the unit.

• Make sure that condensation drainage can be

conveniently routed away.

• Do not install near a doorway.

• Ensure that the interval between a wall and

the left (or right) of the unit is more than

20cm.

• Use a stud finder to locate studs to prevent

unnecessary damage to the wall.

• 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.

•

Take the air conditioner weight into account and

select a place where noise and vibration are

minimum.

•

Select a place so that the warm air and noise

from the air conditioner do not disturb neighbors.

• Place that can sufficiently endure the weight

and vibration of the outdoor unit and where

even installation is possible.

• Place that has no direct influence of snow or rain

• Place with no danger of snowfall or icicle drop

• Place without weak floor or base such as

decrepit part of the building or with a lot of snow

accumulation

2. Outdoor unit

•

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.

• Ensure that the spaces indicated by arrows around front, back and side of the unit.

• Do not place animals and plants in the path of the warm air.

More than

20cm

More than eye-level

More than

20cm

R

More than

20cm

More than

20cm

(Ceiling installation)

(Floor/Wall installation)

More than 20cm

More than 5cm

More than 20cm

More than 5cm

More than 20cm

More than

30cm

More than 30cm

More

than 60cm

More than 60cm

More than

70cm

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Installation of Indoor, Outdoor Unit

Installation Manual 9

ENGLISH

3. Piping length and the elevation

Outdoor unit

Indoor unit

A trap is not necessary when the

outdoor unit is installed in a higher

position than the indoor unit.

CAUTION:

• Rated performance for refrigerant line length of:7.5m (AUUW096D, AUUW126D,

AUUW186D) / 5.0m (AUUW186D1)

• Capacity is based on standard length and maximum allowance length is on the

basis of reliability.

• Improper refrigerant charge may result in abnormal cycle.

MODEL

Pipe Size (Diameter:Ø) Length A(m) Elevation B(m)

*Additional

refrigerant

(g/m)

Gas Liquid Standard Max. Standard Max.

AUUW096D

[UU09W ULD]

3/8"(9.52mm) 1/4"(6.35mm) 7.5 15 5 10 20

AUUW126D

[UU12W ULD]

3/8"(9.52mm) 1/4"(6.35mm) 7.5 15 5 10 20

AUUW186D

[UU18W UED]

1/2"(12.7mm) 1/4"(6.35mm) 7.5 40 5 30 20

AUUW186D1

[UU18W UED1]

1/2"(12.7mm) 1/4"(6.35mm) 5.0 40 5 30 20

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10

The indoor unit installation

1. Cassette type

Level gauge

Ceiling

TQ/TR Series

Ceiling board

Unit: mm

585~660

517

461

517

585~660

523

570

319

• Avoid the following installation location.

1. Such places as restaurants and kitchen where considerable amount of oil steam and flour is generated.

These may cause heat exchange efficiency reduction, or water drops, drain pump mal-function.

In these cases, take the following actions;

• Make sure that ventilation fan is enough to cover all noxious gases from this place.

• Ensure enough distance from the cooking room to install the air conditioner in such a place where it

may not suck oily steam.

2. Avoid installng air conditioner

in such places where

cooking oil or iron powder is

generated.

3. Avoid places where

inflammable gas is generated.

4. Avoid place where noxious gas is

generated.

5. Avoid places near high frequency

generators.

NOTICE

CAUTION :

• This air-conditioner uses a drain

pump.

• Install the unit horizontally using a

level gauge.

•

During the installation, care should be

taken not to damage electric wires.

• 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.

Use the ventilation fan

for smoke-collecting

hood with sufficient

capacity.

Cooking table

Air conditioner

Take enough

distance

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Installation Manual 11

ENGLISH

The indoor unit installation

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

• 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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12

The Indoor Unit Installation

2. Duct type

Drainage hole

M10 Nut

M10 SP. washer

M10 washer

X 4

(Local

supply)

X 4

M10 Nut

M10 SP. washer

M10 washer

X 4

(Local

supply)

X 4

A

B

CD

(G)

H

I

EF

1~3mm

• Apply a joint-canvas between the unit and

duct to absorb unnecessary vibration.

• Apply a filter Accessory at air return hole.

• Install the unit leaning to a drainage hole

side as a figure for easy water drainage.

• A place where the unit will be leveled and

that can support the weight of the unit.

• A place where the unit can withstand its

vibration.

• A place where service can be easily

performed.

CASE 1

POSITION OF SUSPENSION BOLT

CASE 2

POSITION OF CONSOLE BOLT

(Unit:mm)

ABCDEF(G)HI

18k Btu/h 932 880 355 45.5 450 30 87 750 163

Dimension

Capacity

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The Indoor Unit Installation

Installation Manual 13

ENGLISH

1 Set anchor

Old building New building

2 Plate washer

3 Spring washer

4 Nut

5 Suspension

bolts

CAUTION:

Tighten the nut and bolt

to prevent unit falling.

• Select and mark the position for fixing

bolts.

• Drill the hole for set anchor on the face

of ceiling.

• Insert the set anchor and washer onto

the suspension bolts for locking the

suspension bolts on the ceiling.

• Mount the suspension bolts to the set

anchor firmly.

• Secure the installation plates onto the

suspension bolts (adjust level roughly)

using nuts, washers and spring

washers.

• Local supply

① Set anchor

② Plate washer - M10

③ Spring washer - M10

④ Nut - W3/8 or M10

⑤ Suspension bolt - W3/8 or M10

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14

The Indoor Unit Installation

Ceiling

CAUTION

1~3mm

Drainage hole

U-Trap

B

C

A 70mm

B 2C

C 2 x SP

SP = External Pressure

(mmAq)

Ex) External Pressure

= 10mmAq

A 70mm

B 40mm

C 20mm

A

Make sure to be closed.

Unit

Drainage pipe

(Local supply)

Thermal insulator

(Local supply)

Drainage hole

CAUTION FOR GRADIENT OF

UNIT AND DRAIN PIPING

Lay the drain hose with a downward

inclination so water will drain out.

Front of view

• Always lay the drain with downward

inclination (1/50 to 1/100).

Prevent any upward flow or reverse flow

in any part.

• 10mm or thicker formed thermal insulator

shall always be provided for the drain

pipe.

• Install the P-Trap (or U-Trap) to prevent

a water leakage caused by the blocking

of intake air filter.

Applied U-Trap Dimension

1. Install declination of the indoor unit is very important for the drain of the duct type air

conditioner.

2. Minimum thickness of the insulation for the connecting pipe shall be 5mm.

• The unit must be declined to the drain hose connected when finished

installation.

CORRECT

INCORRECT

• Upward routing not

allowed

≥

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The Indoor Unit Installation

Installation Manual 15

ENGLISH

3. Convertible type(18k Btu/h)

n

Before Installing, prepare Installation Plates

• 'Installation Plates' are attached at the bottom

of indoor unit.

Detach them by removing each 3 screws at

both sides.

• Detach 'Side Plate (R,L)' by removing each 2

screws on both sides.

• Pull the upper right and left side of 'Inlet Grille'

to the front, and it will stop at slightly tilted

position.

• Unhook the 'Inlet hanger' from the 'Hanger

screw' on the both left and right side.

• Detach the 'Inlet Grille' from the Indoor Unit.

1) Installation on the ceiling

• Measure and mark the position for the

Suspension bolts and the piping hole.

• Drill the hole for anchor nut on the ceiling.

※ Before secure the Installation Plates,

select the bent direction of the

Installion Plate to the inside or the

outside according to the installation

circumstances.

• Drill the piping hole on the wall slightly tilted

to the outdoor side using a ø70 hole-core

drill.

1076

Suspension

bolt

Center-line for the

piping hole

265

1236

265

Install Plate

1)

2)

5~7mm

Indoor Outdoor

WALL

Side Plate

Inlet Grille

Inlet hanger

Hanger

screw

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16

• Insert the nuts and washer onto the

suspension bolts for locking the suspension

bolts on the ceiling.

• Mount the suspension bolts to the anchor-

nuts firmly.

• Secure the Installation plates onto the

Suspension bolts (adjust level roughly.)

using nuts, washers and spring washers.

• Engage 2 hooks on the both left and right

side of the unit to the lower slot of

Installation Plates.

• Adjust a level with a level gauge on the

direction of left-right, back-forth by adjusting

suspension bolts.

• Move the hooks on the unit to the upper slot

of Installation Plates. Then the unit will be

declined to the bottomside so as to drain

well.

Washer

Nut

Suspension

bolts

Ceiling

Anchor nut

Suspension

bolts

Spring

washer

Max.

12mm

Washer

Nut

1)

2)

Suspension

bolt

Installation plate

Adjust a level

R

Level gauge

Lower slot

R

Upper slot

The Indoor Unit Installation

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Installation Manual 17

ENGLISH

The Indoor Unit Installation

Drain hose

Ceiling

CAUTION

Ceiling

1. Install declination of the indoor unit is very important for the drain of

the convertible type air conditioner.

2.

Minimum thickness of the insulation for the connecting pipe shall be 7mm.

3. If the Installation Plates are fixed to horizontal line, the indoor unit after

installing will be declined to the bottomside.

• The unit must be horizontal or declined to the drain hose connected when finished

installation.

• The unit must be declined to the bottomside of the unit when finished installation.

Side of view

Front of view

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18

• Secure the unit to the Installation Plates

with four M8 bolts and washers.

• Hook up the Inlet Grille Hook to the cabinet.

• Hang the Inlet Hanger to the screw.

• Fit the projection hooks of the side plates to

the 'Side Panel' and the 'Front Panel' by

lifting it.

• Fasten the screws.

R

1

2

R

Inlet hanger

Hook

Cabinet Bottom

The Indoor Unit Installation

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Installation Manual 19

ENGLISH

The Indoor Unit Installation

2) Installation on the Wall

• 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 nut on the wall.

• Drill the piping hole on the wall slightly tilted

to the outdoor side using a ø70 hole-core

drill.

• Secure the 'Install Plate' onto the wall with

four anchor bolts, washers and spring

washers.

※ Before secure the Install Plates, select the

bent direction of the 'Install Plate' to the

inside or outside according to the

installation circumstances.

1076

more than

260

265

Washer

Nut

Wall

Anchor nut

Spring

washer

Wall

5~7mm

Less than

12mm

1236

Indoor Outdoor

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20

Install the Indoor unit onto Installation Plate.

• Insert 2 hooks on the both left and right side

of the unit to the inner slot (wall side) of the

Installation Plate.

• Secure the unit to the Installation Plate with

four M8 bolts and washers.

• Hook up the Inlet Grille Hook to the cabinet.

• Hang the Inlet Hanger to the screw.

• Fit the projection hooks of the side plates to

the 'Side Panel' and the 'Front Panel' by

lifting it.

• Fasten the screws.

R

2

1

Inner slot

The Indoor Unit Installation

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