LG ARNU18GS5A1 Guida d'installazione

System

Heat Pump Indoor Unit

INSTALLATION MANUAL

LG

MODELS: SE/S5 Series

Type: Wall Mounted

IMPORTANT

• 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.

ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH

2 Indoor Unit

Wall Mounted Type Indoor Unit Installation Manual

TABLE OF CONTENTS

❏ Installation guide map

❏ Four type "A" screws & plastic

anchors

❏ Connecting cable

❏ Pipes: Gas side

Liquid side

(Refer to Product Data)

❏ Insulation materials

❏ Additional drain pipe

❏ Twotype"B"screws

❏ Level gauge

❏ Screw driver

❏ Electric drill

❏ Hole core drill

❏ Horizontal meter

❏ Flaring tool set

❏ Specified torque wrenches

(different depending on model No.)

❏ Spanner .......Half union

❏ A glass of water

❏ Screw driver

❏ Hexagonal wrench

❏ Gas-leak detector

❏ Vacuum pump

❏ Gauge manifold

❏ Owner's manual

❏ Thermometer

❏ Holder Remote Controller

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

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

Installation

Selection the best location ....7

Piping Method........................8

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

Wiring Connection ...............13

Installation of Remote

Controller..............................15

Installation Requirements

Required Parts Required Tools

Installation Manual 3

Installation Parts

ENGLISH

Installation plate

Type "A" screw and plastic anchor

Type "B" screw

Installation plate

Installation Parts

4 Indoor Unit

Safety Precautions

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

■ Be sure to read before installing the air conditioner.

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

■ 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.

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.

■ Installation

Do not use a defective or under-

rated circuit breaker. Use this

appliance on a dedicated circuit.

•Thereisriskoffireorelectricshock.

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.

•Thereisriskoffireorelectricshock.

Install the panel and the cover

of control box securely.

•Thereisriskoffireorelectricshock.

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.

•Thereisriskoffireorelectricshock.

Installation Manual 5

Safety Precautions

ENGLISH

■ Operation

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.

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.

Gasolin

6 Indoor Unit

Safety Precautions

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.

Do not install the product where

the noise or hot air from the out-

door 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 con-

denser and evaporator fins, could

cause product malfunction or inefficient

operation.

90˚

■ Installation

Installation Manual 7

Installation

ENGLISH

Read completely, then follow step by step.

Installation

Selection of the best location

• 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 con-

sideration.

• Do not install the unit near the door way.

• Ensure the spaces indicated by arrows from the

wall, ceiling, fence, or other obstacles.

The mounting wall should be strong and solid

enough to protect it from the vibration.

Front

Right Rear right

Rear left

Down right

Left

Lower than 2.3m

More than 20 cm

Higher than eye-level

More than

10 cm

More than

10 cm

Fixing Installation Plate

The wall you select should be strong and solid

enough to prevent vibration

1. Mount the installation plate on the wall with

type "A" screws. If mounting the unit on a con-

crete wall, use anchor bolts.

• Mount the installation plate horizontally by aligning

the centerline using a level.

2. Measure the wall and mark the centerline. It is

also important to use caution concerning the loca-

tion of the installation plate-routing of the wiring to

power outlets is through the walls typically. Drilling

the hole through the wall for piping connections

must be done safely.

Installation Plate

Type "A" screw

Chassis

Hook

Installation plate

Left rear piping Right rear piping

Ø70mm

DB

A

C

ABCD

S4 73 55 82 55

S5 121 62 258 62

CHASSIS

(Grade)

Distance (mm)

ABCD

S4 50 105 59 105

SE 65 110 85 110

S5 95 122 235 122

CHASSIS

(Grade)

Distance (mm)

Installation plate

Left rear piping Right rear piping

Ø70mm

D

B

A

C

Type 1.

Type 2.

8 Indoor Unit

Installation

Piping Method

CAUTION : When

install, make sure that

the remaining parts must be

removed clearly so as not to

damage the piping and drain

hose, especially power cord

and connecting cable.

■ Preparing the indoor unit's piping and drain hose for

installation through the wall.

■ Remove the plastic tubing retainer(see illustration

below) and pull the tubing and drain hose away from

chassis.

■ Replace the plastic tubing holder in the original position.

1. Route the indoor tubing and the drain hose in the

direction of rear left.

2. Insert the connecting cable into the indoor unit

from the outdoor unit through the piping hole.

■ Do not connect the cable to the indoor unit.

■ Make a small loop with the cable for easy connection

later.

■ Drill a hole in the wall

• Drill the piping hole with a ø70mm hole core drill.

Drill the piping hole at either the right or the left with

the hole slightly slanted to the outdoor side.

3. Tape the tubing, drain hose and the connecting

cable. Be sure that the drain hose is located at the

lowest side of the bundle. Locating at the upper

side can cause drain pan to overflow inside the

unit.

: If the drain hose is routed inside the room,

insulate the hose with an insulation material* so that drip-

ping from "sweating"(condensation) will not damage furni-

ture or floors.

*Foamed polyethylene or equivalent is recommended.

4. Indoor unit installation

■ Hook the indoor unit onto the upper portion of the

installation plate.(Engage the two hooks of the rear

top of the indoor unit with the upper edge of the

installation plate.) Ensure that the hooks are properly

seated on the installation plate by moving it left and

right.

Press the lower left and right sides of the unit against

the installation plate until the hooks engage into their

slots(clicking sound).

5. Connecting the pipings to the indoor unit and drain

hose to drain pipe.

■ Align the center of the pipings and sufficiently tighten

the flare nut by hand.

NOTICE

For left rear piping

To remove the holder,

press the bottom of

chassis near the holder

upward and pull the tab

out of its hole.

Tubing holder

Pull

Press

2

1

Drain hose

Connecting

cable

Loop

Gas side

piping

Liquid side

piping

Drain hose

Connecting

cable

Indoor unit tubing

Flare nut Pipings

5-7mm

(3/16"~5/16")

Indoor

WALL

Outdoor

Installation Manual 9

Installation

ENGLISH

■ Tighten the flare nut with a wrench.

■ When extending the drain hose at the indoor unit,

install the drain pipe.

6. Wrap the insulation material around the connect-

ing portion.

■ Overlap the connection pipe insulation material

and the indoor unit pipe insulation material. Bind

them together with vinyl tape so that there is no

gap.

■ Wrap the area which accommodates the rear pip-

ing housing section with vinyl tape.

■ Bundle the piping and drain hose together by

wrapping them with vinyl tape over the range with-

in which they fit into the rear piping housing sec-

tion.

1. Route the indoor tubing and the drain hose to the

required piping hole position.

2. Insert the piping, drain hose and the connecting

cable into the piping hole.

GAS LIQUID

Ø12.7[5.5kg

.

m] Ø6.35[1.8kg

.

m]

Ø15.88[6.6kg

.

m] Ø9.52[4.2kg

.

m]

Pipe Size[Torque]

For right rear piping

Torque

wrench

Indoor

unit tubing

Spanner (fixed)

Connection

pipe

Flare nut

Vinyl tape(narrow)

Connection

pipe

Connecting cable

Vinyl tape

(wide)

Wrap with vinyl tape

Indoor

unit pipe

Pipe

Wrap with vinyl tape

Drain hose

Pipe

Vinyl tape(wide)

Drain pipe

Connecting cable

Vinyl tape(narrow)

Adhesive

Drain pipe

Indoor unit

drain hose

Plastic bands

Insulation material

10 Indoor Unit

Installation

3. Insert the connecting cable into the indoor unit.

■ Don't connect the cable to the indoor unit.

■ Make a small loop with the cable for easy connec-

tion later.

4. Tape the drain hose and the connecting cable.

• Connecting cable

5. Indoor unit installation

■ Hang the indoor unit from the hooks at the top of

the installation plate.

■ Insert the spacer etc. between the indoor unit and

the installation plate and separate the bottom of

the indoor unit from the wall.

6. Connecting the pipings to the indoor unit and

the drain hose to drain pipe.

■ Align the center of the pipings and sufficiently

tighten the flare nut by hand.

■ Tighten the flare nut with a wrench.

■ When extending the drain hose at the indoor unit,

install the drain pipe.

7. Wrap the insulation material around the connect-

ing portion.

■ Overlap the connection pipe heat insulation and

the indoor unit pipe heat insulation material. Bind

them together with vinyl tape so that there is no

gap.

■ Wrap the area which accommodates the rear pip-

ing housing section with vinyl tape.

Vinyl tape

Adhesive

Drain hose

Indoor unit drain hose

(narrow)

Plastic bands

Insulation material

Vinyl tape

(narrow)

Connection

pipe

Connecting

cable

Indoor

unit piping

Pipe

Vinyl tape

(wide)

Wrap with vinyl tape

Installation plate

Spacer

Indoor unit

8cm

Indoor unit tubing

Flare nut Pipings

Torque

wrench

Indoor

unit tubing

Spanner (fixed)

Connection

pipe

Flare nut

GAS LIQUID

Ø12.7[5.5kg

.

m] Ø6.35[1.8kg

.

m]

Ø15.88[6.6kg

.

m] Ø9.52[4.2kg

.

m]

Pipe Size[Torque]

Installation Manual 11

Installation

ENGLISH

■ Bundle the piping and drain hose together by

wrapping them with cloth tape over the range

within which they fit into the rear piping housing

section.

8. Reroute the pipings and the drain hose across

the back of the chassis.

9. Set the pipings and the drain hose to the back of

the chassis with the tubing holder.

■ Hook the edge of tubing holder to tap on chassis

and push the bottom of tubing holder to be

engaged at the bottom of chassis.

10. Indoor unit installation

■ Remove the spacer.

■ Ensure that the hooks are properly seated on the

installation plate by moving it left and right.

Press the lower left and right sides of the unit

against the installation plate until the hooks engage

into their slots(clicking sound).

Drain hose

Vinyl tape

(narrow)

Pipe

Wrap with

vinyl tape(wide)

Drain hose

Connecting

cable

Piping for

passage through

piping hole

Tubing holder

Hook

Push

2

1

12 Indoor Unit

Installation

Installation Information. For left piping. Follow the instruction below.

Good case

• Press on the upper side of clamp and unfold the tubing to downward slowly.

Bad case

• Following bending type from right to left may cause damage to the tubing.

Make the space between the tubing and the rear panel

Installation Manual 13

ENGLISH

Installation

Drain Piping

Wiring Connection

1. To remove the front panel from the indoor unit,

remove the front panel from the indoor unit

cabinet.

■ Set the air direction louvers up-and-down to the

position(horizontally) by hand.

■ Remove the securing screws that retain the front

panel. Pull the lower left and right sides of the

grille toward you and lift it off.

(2.1/7, 2.6/9, 3.5/12 kW/Btu models: 2EA,

3.5/18 kW/Btu models: 3EA)

2. To check the drainage.

■ Pour a glass of water on the evaporator.

■ Ensure the water flows through the drain hose of

the indoor unit without any leakage and goes out

the drain exit.

1) 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.

Screw

Pull the right and the left side.

Connecting cable

Remote control cordRemote control cordRemote control cord

14 Indoor Unit

Installation

CAUTION:

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

1) Never fail to have an individual power circuit specifically for the air conditioner. As for the

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

2) 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 cause burn-out of the

wires.)

3) Specification of power source.

4) Confirm that electrical capacity is sufficient.

5) See to that the starting voltage is maintained at more than 90 percent of the rated voltage marked

on the name plate.

6) Confirm that the cable thickness is as specified in the power source specification.

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

7) In a wet or moist area, always install an earth leakage circuit breaker.

8) The following would be caused by voltage drop.

• Vibration of a magnetic switch, which will damage the contact point, fuse breaking, disturbance of the

normal function of the overload.

9) The means for disconnection from a power supply shall be incorporated in the fixed wiring and

have an air gap contact separation of at least 3mm in each active(phase) conductors.

2) Attach the Grille onto the cabinet.

• Grasp lower the left and right side of the Grille

and engage four tabs on the top inside edge

of the chassis.

• Press the Grille toward the chassis until it will

be back into place.

Terminal Block in Indoor

1(L) 2(N) 3 4

INDOOR POWER INPUT

Terminal Block in Outdoor

ABC D Vcc

Installation Manual 15

ENGLISH

Installation

1. Remove the battery cover from the remote controller.

• Slide the cover according to the arrow direction.

2. Insert the two batteries.

• Be sure that the (+) and (-) directions are correct.

• Be sure that both batteries are new.

3. Re-attach the cover.

• Slide it back into position.

HOW TO MOUNT ONTO A WALL

HOW TO INSERT BATTERIES

Installation of Remote Controller

• Do not use rechargeable batteries, such batteries differ from standard dry

cells in shape, dimensions, and performance.

• Romove the batteries from the remote controller if the air conditioner is not

going to be used for some long time.

16 Indoor Unit

Installation

Remote controller

box body

Cord clamp

(accessory)

Lever carefully

the box open

using a screw

driver, etc.

Front case

The lower part

Face of wall

Under plate

Screw (accessory)

• Separate the under plate from Remote

controller box.

• Attach insulator to under plate.

• Fix the under plate on the wall

•

Fix the cord clamps on the wall by ø 3 tapping screws (accessory).

•

Fix the remote controller cord.

WIRED REMOTE CONTROLLER INSTALLATION

DISASSEMBLING

ELECTRICAL WIRING

Wire and make sure that teminal

numbers are matched on unit side and

remote controller side.

The maximum length of the cord is 100m.

If the length of the cord exceeds 50m,

use a wire size greater than 0.5mm

2

.

Remote controller

(Main board)

CN REMO

• Although the room temperature sensor is in the indoor unit, the remote controller should be installed in such

places away from direct sunlight and high humidity.

Installation of the remote controller

• Select places that are not splashed with water.

• Select controller position after receiving customer approval.

• The room temperature sensor is built in the indoor unit.

• This remote controller equipped with liquid crystal display. If this position is higher or lower, display is difficult

to see.(The standard height is 1.2 ~1.5m high)

Routing of the remote controller cord

• Keep the remote controller cord away from the refrigerant piping and the drain piping.

• To protect the remote controller cord from electrical noise, place the cord at least 5cm away from other

power cables. (audio equipment. television set, etc.)

• If the remote controller cord is secured to the wall, provide a trap at the top of the cord to prevent water

droplets from running.

Installation of Remote Control

Installation Manual 17

ENGLISH

Installation

1) Two Thermistor System

(1) Open the rear cover of the wired remote-controller to

set the mode.

(2) Select one of three selectable modes as follows.

• Position 1:

The room temperature is controlled by the thermistor

of the main body.

• Position 2:

The room themperature is controlled by the thermis-

tor of the wired remote-controller, control the temper-

ature according to the position of wired remote-con-

troller.

• Position 3:

The room temperature is controlled by lower temper-

ature between the temperature of main body and of

remote-controller sensor.

(3) Move the slide switch to set position.

(4) Close the rear cover and check if it works normally.

TH

R14H

SW TH

REMO

MAIN

2TH

OP7

R18H

R17H

OP6

LO

STAND

SW HIGH

HI

R03S

C070

R04S

R02S

R01S

OP3

OP2 OP1

R19H

R11H

R13H R12H

OP5R16H OP4

R15H

CO1H

REMO

Room Temp. sensor

2TH

MAIN

Position 2

Position 1

Position 3

Slide switch for ceiling height

Slide switch for 2 Thermistor

Optional operation

CAUTION :

• Select the position after counselling with a customer.

In case of cooling mode, room temperature is controlled by the main body sensor.

• To control the room temperature by a wired remote controller, install the remote

controller (room temp. sensor) to sense the temperature more accurately.

• Maunfactured in the position 3.

18 Indoor Unit

Memo

LG

Modello N °: SE/S5 Series

Type: Art Cool

IMPORTANTE

• Leggere questo manuale d’istruzioni prima di installare il

condizionatore d’aria.

• Il lavoro d’installazione deve essere eseguito conformemente

alla normativa vigente sugli impianti elettrici, solo da

personale tecnico autorizzato.

• Dopo averlo letto dettagliatamente, conservare questo

manuale come riferimento per il futuro

ITALIANO

2 Unità interna

Installazione dell’unità interna a parete

INDICE

❏ Modello di carta per instal-

lazione

❏ Vitie tasselli in plastica

❏ Cavo di collegamento

❏ Tubi: lato gas

lato liquido

❏ Materiale isolante

❏ Tubo flessible discarico

aggiuntivo

❏

Due viti di tipo "B"

❏ Livella

❏

Cacciavite

❏

Trapano elettrico

❏

Punta a tazza per allargare i fori

❏ Metro

❏ Set utensili per svasatura

❏ Chiavi dinamometriche

❏ Chiave inglese

❏ Un bicchiere d'acque=a

❏ Ca cciavite

❏ Chiave esagonale

❏ Rilevatore perdite di gas

❏ Pompa del vuoto

❏ Gruppo manometrico

❏ Manuale di istruzioni

❏ Termometro ambientale

❏ Supporto del telecomando

Installazione Componeti........3

Precauzioni di sicurezza ......4

Installazione

Scelta della posizione migliore

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

Pipa Metodo...........................8

Collegamento delle tubature

..............................................13

Collegamento del cavo........13

Installazione del telecomando

..............................................15

Lavori di installazione

Componenti

dell’installazione

Arnesi richiesti

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