LG ARNU07GTUA4 Bedienungsanleitung

www.lg.com

Ceiling Cassette - 1Way (Art Type)

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.

INSTALLATION MANUAL

AIR

CONDITIONER

P/NO : MFL69440007

Original instruction

ENGLISH

2Indoor Unit

Ceiling Cassette - 1Way(Art Type) Type Indoor Unit Installation Manual

TABLE OF CONTENTS

o Installation guide map

oFour type "A" screws & plastic

anchors

oConnecting cable

oPipes: Gas side

Liquid side

oInsulation materials

oAdditional drain pipe

oLevel gauge

oScrew driver

oElectric drill

oHole core drill

oHorizontal meter

oFlaring tool set

oSpecified torque wrenches

oSpanner .......Half union

oHexagonal wrench

oGas-leak detector

oVacuum pump

oGauge manifold

oOwner's manual

oThermometer

Installation Parts ....................3

Safety Precautions.................4

Installation

Selection of the Best Location

...6

Ceiling Dimension and Hang-

ing Bolt Location ....................7

Wiring Connection .................8

Installation of Decoration

Panel (Panel Type) ................9

Installation of Decoration

Panel (Grille Type)...............10

Drain Piping..........................11

DIP Switch Setting...............12

Group Control Setting..........13

Model Designation ..............18

Airborne Noise Emission.....18

Limiting concentration .........18

Installation Requirements Required Parts Required Tools

Installation Manual 3

Installation Parts

ENGLISH

Wired Remote Controller

(Accessory) Wired Remote Controller

(Accessory)

Air

Intake

Air Intake

Air

Intake

Air Outlet

Installation Parts

Name

Quantity

Shape for gas pipe

for liquid pipe

Clamp metal

2 EA

Insulation for

fitting

1 SET

Drain hose

1 EA

Plastic band

8 EA

Washer for

hanging bracket

4 EA

Name

Quantity

Shape

Paper pattern for installation

1 EA

Installation and Owner's manual

1 EA

Panel type Grille type

• Screws for fixing panels are attached to decoration panel.

Installation Tool

4Indoor Unit

Safety Precautions

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

nBe sure to read before installing the air conditioner.

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

nIncorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the

following indications.

nMeanings 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 to properties only.

Be sure not to do.

Be sure to follow the instruction.

WARNING

nInstallation

Do not use a defective or under-

rated 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 electri-

cian, or an Authorized Service

Center.

• Do not disassemble or repair the

product. There is risk of fire or elec-

tric 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 cir-

cuit 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 modify or extend the

power cable.

• There is risk of fire or electric shock.

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.

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.

Installation Manual 5

Safety Precautions

ENGLISH

nOperation

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 condi-

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.

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.

Do not turn on the breaker or power under condi-

tion that front panel, cabinet, top cover, control

box cover are removed or opened.

• Otherwise, it may cause fire, electric shock, explosion or

death.

Use two or more people to lift and transport the product.

• Avoid personal injury.

Always check for gas (refriger-

ant) 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 prop-

erly.

• A bad connection may cause water

leakage.

Keep level even when installing

the product.

• To avoid vibration or water leakage.

CAUTION

nInstallation

6Indoor Unit

Installation

• There should not be any heat source or steam near the unit.

• There should not be any obstacles to 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 have the maintenance space.

Read completely, then follow step by step.

Unit:mm

Ceiling

Ceiling board

200 or more

Above 1 800

3 300 or less

1 000

or more

500 or

300 or less

10 or more

Floor

20 ± 3

Installation

Selection of the Best Location

In case that the unit is installed near the sea, the installation parts may be corroded

by salt. The installation parts (and the unit) should be taken appropriate anti-corro-

sion measures.

CAUTION

NOTE

• 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.

Use the ventilation fan

for smoke-collecting

hood with sufficient

capacity.

Cooking table

Air conditioner

Take enough

distance

Installation Manual 7

ENGLISH

Installation

Ceiling Dimension and Hanging Bolt Location

Level gauge

Ceiling

(Unit: mm)

TT Chassis

TU Chassis

1 285(Hanging bolt)

1 385(Ceiling opening)

250

600 50

466

(Ceiling opening)

1 180

448

600

250

965(Hanging bolt)

1 065(Ceiling opening)

50 50

860

448

306

400 4040

306

354

(Hanging bolt)

466

(Ceiling opening)

354

(Hanging bolt)

Ceiling board

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

• 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 di-

rection after considering the direction of drain hose.

• Drill the hole for anchor bolt on the wall.

CAUTION

Set screw of

paper model (4 pieces)

Paper model

for installation

Ceiling board

70 mm

Adjust the same height

Ceiling board

Ceiling

Flat washer for M10

(accessory)

Keep the length of the bolt

from the bracket to 40 mm

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 are local purchasing.

①Hanging bolt - W 3/8 or M10

②Nut - W 3/8 or M10

③Spring washer - M10

④Plate washer - M10

Tighten the nut and bolt to prevent unit

from falling off.

CAUTION

• The following parts are local purchasing.

①Hanging bolt - W 3/8 or M10

②Nut - W 3/8 or M10

③Spring washer - M10

④Plate washer - M10

8Indoor Unit

Installation

Terminal Block Indoor

1(L) 2(N) 3 4

INDOOR

POWER INPUT

A ----BABAB

GND 12V

DRY2DRY1

INTERNET

Terminal Block of outdoor unit

IDUSODU Outdoor

Unit

• Connect the wires to the terminals on the control board individually according to the outdoor unit

connection.

• Ensure that the color of the wires of outdoor unit and the terminal No. are the same as those of

indoor unit respectively.

Wiring Connection

Make sure that the screws of the terminal are free from looseness.

WARNING

The Power cord connected to the unit should be selected according to the following

specifications.

CAUTION

After the confirmation of the above conditions, prepare the wiring as follows:

1) Never fail to have separate power specially for the air conditioner. As for the method of

wiring, follow the circuit diagram pasted on the inside of control box cover.

2) Provide a circuit breaker switch between power source and the unit.

3) The screw which fasten the wiring in the casing of electrical fittings are liable to come

loose from vibrations to which the unit is subjected during the course of transportation.

Check them and make sure that they are all tightly fastened. (If they are loose, it could give

rise to burn-out of the wires.)

4) Confirm the Specification of power source

5) Confirm that electrical capacity is sufficient.

6) Be sure that the starting voltage is maintained at more than 90 % of the rated voltage

marked on the name plate.

7) Confirm that the cable thickness is as specified in the power sources specification.

(Particularly note the relation between cable length and thickness.)

8) Do not install the leakage breaker in a place which is wet or moist.

Water or moist may cause short circuit.

9) The following troubles would be caused by voltage drop-down.

• Vibration of a magnetic switch, damage on the contact point there of, fuse breaking, disturbance

to the normal function of a overload protection device.

• Proper starting power is not given to the compressor.

CAUTION

Installation Manual 9

ENGLISH

Installation

1. Open the air outlet vane, and extract side covers.

2. Remove the air inlet panel from the decoration panel.

Hook decoration panel to indoor unit, using hooks attached at the backside of both side of decoration panel.

4. Arrange wires not to get caught between decoration panel and indoor unit.

5. Screw 7 fixing screws. (7,9,12 kBtu : 6 screws)

6. Connect the vane motor connector ,display connector and air inlet panel connector.

7. Install the air inlet panel (including the air filter) and side covers.

Air conditioner unit

Decorative panel

Side cover

Decorative panel

fixing screws

(hexagon M6 screws)

(tightening about 20 mm)

Air inlet panel

Air outlet vane

Plasma filter

(applied only to plasma model)

Mesh

Control box cover

The decoration panel has its installation

direction.

Before installing the decoration panel, al-

ways remove the paper template.

Air conditioner

unit

Ceiling

board

Decoration panel Decoration

panel

Fit the insulator (this part) and

be careful for cool air leakage

Good example

Air

Cool air leakage

(no good)

Bad example

Ceiling

board

Air conditioner unit

Installation of Decoration Panel (Panel Type)

Install certainly the

decoration panel.

Cool air leakage

causes sweating.

Waterdrops fall.

CAUTION

10 Indoor Unit

Installation

1. Open the air outlet vane, and extract side covers.

2. Remove the air inlet grille from the decoration panel.

Hook decoration panel to indoor unit, using hooks attached at the backside of both side of decoration panel.

4. Arrange wires not to get caught between decoration panel and indoor unit.

5. Screw 7 fixing screws. (7,9,12 kBtu : 6 screws)

6. Connect the vane motor connector and display connector. (Plasma connector for plasma model)

7. Install the air inlet grille (including the air filter) and side covers.

Air conditioner unit

Decorative panel

Plasma filter

(applied only to plasma model)

Mesh

Control box cover

Decorative panel

fixing screws

(hexagon M6 screws)

(tightening about 20 mm)

Side cover

Air inlet grille

Air outlet vane

The decoration panel has its installation

direction.

Before installing the decoration panel, al-

ways remove the paper template.

Air conditioner

unit

Ceiling

board

Decoration panel Decoration

panel

Fit the insulator (this part) and

be careful for cool air leakage

Good example

Air

Cool air leakage

(no good)

Bad example

Ceiling

board

Air conditioner unit

Installation of Decoration Panel (Grille Type)

Install certainly the

decoration panel.

Cool air leakage

causes sweating.

Waterdrops fall.

CAUTION

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