LG Multi V 2 Series Manuale utente

System

Indoor Unit (2 Series)

INSTALLATION MANUAL

Type: Ceiling Concealed Duct - Low Static

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

2Indoor Unit

Ceiling Concealed Duct - Low Static Type Indoor Unit Installation Manual

TABLE OF CONTENTS

❏Four type "A" screws

❏Connecting cable

❏Pipes: Gas side

Liquid side

(Refer to Product Data)

❏Insulation materials

❏Additional drain pipe

❏Level gauge

❏Screw driver

❏Electric drill

❏Hole core drill

❏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

Safety Precautions.................3

Introduction.............................6

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 .....10

Checking the Drainage........11

Installation of Wired

Remote Controller ...............15

Optional Operation of

Wired Remote Controller ....17

How to Set E.S.P? ................18

Installation Requirements Required Parts Required Tools

Installation Manual 3

ENGLISH

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.

• 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.

4Indoor Unit

Safety Precautions

■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

Installation Manual 5

ENGLISH

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

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.

6Indoor Unit

Introduction

Air outlet vents

Air filters

Wired Remote Controller

RemoteController

TEMP

This symbol alerts you to the risk of electric shock.

This symbol alerts you to hazards that could cause harm to the

air conditioner.

This symbol indicates special notes.

NOTICE

Symbols Used in this Manual

Features

Low static Duct type

Installation Manual 7

ENGLISH

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 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 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

Inspection hole

(600 x 600)

Control box

H=20 or more

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

to drain as aiven in the fiaure

Side view

(unit: mm)

600600

A(Min) B(Min)

Ceiling

Service Space

Capacity(Btu/h) A B

7/9/12/15k 600 900

18/24k 600 1100

(Length: mm)

Low static Duct type

8Indoor Unit8Indoor 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.

CASE 1

POSITION OF SUSPENSION BOLT

(Unit:mm)

7/9/12/15k BTU/h

850 900 383 575 93 190 21 795 163 820

18/24k BTU/h

1130 1180 383 575 93 190 21 1065 163 1100

Dimension

Capacity(Btu/h)

ABCDEFGH I J

M10 Nut

M10 SP. washer

M10 washer

X 4

X 4 (Local

supply)

X 4

M10 Nut

M10 SP. washer

M10 washer

X 4

X 4 (Local

supply)

X 4

Drainage hole Drain Pump use

CASE 2

POSITION OF CONSOLE BOLT

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

1(L) 2(N) 3 4

INDOOR POWER INPUT

IDU IDU

Outdoor unit Indoor unit

Central controller

SODU SODU

DRY1 DRY2 GND

INTERNET 12V

Outdoor unit

Wiring Connection

Indoor Unit Installation

CAUTION : Tighten the nut and bolt

to prevent unit falling.

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

B1/B2 Series

10 Indoor Unit10 Indoor Unit

Installation

• Low static duct type in case of suction from back

side.

• Low static duct type in case of suction from bottom

side.

Air Filter

Air outlet Panel Rear Air outlet Air Filter

Panel Rear

Part name and functions

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