LG MULTI V B3 Series Bedienungsanleitung

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 : MFL67798112

www.lg.com

TYPE : BUILT - IN DUCT - LOW STATIC

Original instruction

ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH

ΕΛΛΗΝΙΚΆ

ČEŠTINA

NEDERLANDS

POLSKI

LIMBA ROMÂNĂ

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

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

Name and function of wired

remote controller(Accessory)

...17

Dip Switch Setting

.................18

Group Control Setting .........19

Model Designation ..............23

Airborne Noise Emission ....23

Limiting concentration .........23

How to Set E.S.P?................24

Installation Requirements Required Parts Required Tools

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 classi-

fied 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.

ENGLISH

Installation Manual 3

4Indoor Unit

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.

Safety Precautions

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

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, particular-

ly on the condenser and evap-

orator fins, could cause prod-

uct malfunction or inefficient

operation.

CAUTION

nInstallation

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.

ENGLISH

Installation Manual 5

Introduction

6Indoor Unit

Introduction

Wired Remote Controller

RemoteController

TEMP

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.

Symbols Used in this Manual

Features

Built-in Duct type

Suction Grille

Suction Grille + Suction Canvas

NOTICE

Installation

Indoor unit

Install the air conditioner in the location that satis-

fies the following 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

Capacity(Btu/h) A B

7/9/12/15k 600 900

18/24k 600 1100

(Length: mm)

270 or more520 or more

Inspection hole

(600 x 600)

Control box

600600

A(Min) B(Min)

Ceiling

Service Space

Built-in Duct type

• Refer to Suction grille and Suction canvas

installation manual for detail installation of

Built-in duct type

ENGLISH

Installation Manual 7

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 vibra-

tion.

• 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 washer

X 4

M10 Nut

M10 washer

X 4

X 8

Drainage hole Drain Pump use

CASE 2

POSITION OF CONSOLE BOLT

B3/B4: 295

(Ceiling opening)

B4: 1118

B3: 840

(Ceiling opening)

Installation

• Select and mark the position for fixing bolts.

• Drill the hole for set anchor on the face of ceil-

ing.

• Insert the set anchor and washer onto the sus-

pension bolts for locking the suspension bolts

on the ceiling.

• Mount the suspension bolts to the set anchor

firmly.

• Secure the installation plates onto the suspen-

sion bolts (adjust level roughly) using nuts,

washers and spring washers.

1 Set anchor

Plate washer

Spring washer

Nut

Suspension

bolts

Old building New building

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

nection.

• 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

B3/B4 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.

CAUTION : Tighten the nut and bolt to

prevent unit falling.

ENGLISH

Installation Manual 9

10 Indoor Unit

Installation

Suction Grille

Suction Canvas

Air outlet Air outlet

Part name and functions

nB3/B4 Series : Built-in Duct type Control Box service

• Buit-in duct type with Suction Grille. • Buit-in duct type with Suction Grille and Suction

Canvas.

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