LG ARNU05GL1G2 Manual de usuario

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.

P/NO : MFL67798104

www.lg.com

TYPE : Ceiling Concealed Duct - Low Static

MAGYAR

БЪЛГАРСKN

SRPSKI

HRVATSKI SVENDKA NORSK SUOMI DANSK

ENGLISH ITALIANO ESPAÑOL

FRANÇAIS

DEUTSCH

ΕΛΛΗΝΙΚΆ

ČEŠTINA

NEDERLANDS

POLSKI

LIMBA ROMÂNĂ

PORTUGUESE

2Indoor Unit

Ceiling Concealed Duct - Low Static Type Indoor Unit Installation Manual

TABLE OF CONTENTS

oFour type "A" screws

oConnecting cable

oPipes: Gas side

Liquid side

(Refer to Product

Data)

oInsulation materials

oAdditional drain pipe

oLevel gauge

oScrew driver

oElectric drill

oHole core drill

oFlaring tool set

oSpecified torque wrenches

(different depending on model No.)

oSpanner .......Half union

oA glass of water

oScrew driver

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

................................................7

Ceiling opening dimension

and hanging bolt location ......8

Indoor Unit Installation...........9

Wiring Connection .................9

Part name and functions .....11

Checking the Drainage........12

Drain Piping .........................13

Dip Switch Setting ...............15

Group Control Setting..........16

E.S.P Table .........................21

Installation Requirements Required Parts Required Tools

Installation Parts

Installation Manual 3

ENGLISH

Air outlet vents

Air filters

Control box

Air intake vents

Wired Remote Controller

Installation Parts

Name

Quantity

Shape for gas pipe

for liquid pipe

Clamp metal

2 EA

Insulation for

fitting

1 set

Drain hose

1 EA

Clamp

(Tie Wrap)

8 EA

Washer for

hanging bracket

4 EA

Other

• Screws for fixing panels are attached to decoration panel.

• Owner's manual

• Installation manual

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

underrated circuit breaker.

Use this appliance on a dedi-

cated 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 break-

er or fuse.

• There is risk of fire or electric

shock.

Installation Manual 5

ENGLISH

Safety Precautions

nOperation

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 evapo-

rator.

For installation, always con-

tact 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 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.

6Indoor Unit

Safety Precautions

CAUTION

nInstallation

Always check for gas (refrig-

erant) leakage after installa-

tion 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 dam-

age 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 evapora-

tor fins, could cause product

malfunction or inefficient opera-

tion.

If you eat the liquid from the

batteries, brush your teeth and

see doctor. Do not use the

remote if the batteries have

leaked.

• The chemicals in batteries

could cause burns or other

health hazards.

Installation

Indoor unit

Install the air conditioner in the location that satisfies the fol-

lowing conditions.

• The place shall easily bear a load exceeding four times the

indoor unitʼs weight.

• The place shall be able to inspect the unit as the figure.

• The place where the unit shall be leveled.

• 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

Confirm the positional relationship between the unit and

suspension bolts.

• Installation the ceiling opening to clean the filter or service

under the product.

Selection of the best location

A(Min)

Inspection hole

(600 x 600) Control box

H=20 or more

• Suitable dimension "H" is necessary to get a slope

to drain as shown in the figure

Side view

(unit: mm)

600

Ceiling

Service Space

B(Min)

(Unit: mm)

Top view

Air outlet

(Unit: mm)

Capacity (kBtu/h) A B

5/7/9 800 800

12/15/18 800 1000

21/24 800 1200

Installation Manual 7

ENGLISH

8Indoor Unit

Installation

Ceiling dimension and hanging bolt location

Installation of Unit

Install the unit above the ceiling correctly.

• 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.

POSITION OF SUSPENSION BOLT

(Unit:mm)

Drainage hole

M10 Nut

M10 washer

X 4

M10 Nut

M10 washer

X 4

X 8

POSITION OF CONSOLE BOLT

Dimension

Capacity(kBtu/h)

A B C D E F G H I J

5/7/9

733 772 628 700 36 190 20 660 155 700

12/15/18

933 972 628 700 36 190 20 860 155 900

21/24

1133 1172 628 700 36 190 20 1060 155 1100

Installation Manual 9

ENGLISH

Installation

• 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 suspen-

sion 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.

1 Set anchor

Old building New building

2 Plate washer

3 Spring washer

4 Nut

5 Suspension

bolts

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.

Terminal Block Indoor Terminal Block Indoor

1(L) 2(N) 3(A) 4(B)

INDOOR POWER INPUT

POWER

AC 220 V

IDU IDU

Outdoor unit Indoor unit

Central controller

SODU SODU

DRY1 DRY2 GND

INTERNET 12V

Outdoor unitIndoor unit

Comm.

DC 12 V

20mm

GN/YL

NORMAL

CROSS-SECTIONAL

AREA 2.5mm2

Wiring Connection

Indoor Unit Installation

CAUTION : Tighten the nut and bolt

to prevent unit falling.

L1/L2/L3 Series

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

CAUTION : The Power cord connected to the unit should be selected according

to the following specifications. (Cable type CV approved by IEC

60502-1)

Installation

10 Indoor Unit

CAUTION:

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

1) Never fail to have an individual power specialized for the air conditioner. As for the method of

wiring, be guided by the circuit diagram posted on the inside of control box cover.

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

3) The screws 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) Specification of power source

5) Confirm that electrical capacity is sufficient.

6) Be sure that the starting voltage is maintained at more than 90 percent 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) Never fail to equip a leakage breaker where it is wet or moist.

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

• Vibration of a magnetic switch, damage on the contact point, fuse breaking, disturbance by the nor-

mal function of an overload protection device.

• Proper starting power is not given to the compressor.

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