LG LZ-H025GBA3 INSTALLATION MANUAL

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INSTALLATION MANUAL

AIR
CONDITIONER

P/NO : MFL67855522

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.

[

Representative] LG Electronics Inc. EU Representative : LG Electronics European Shared

Service Center B.V. Krijgsman 1, 1186 DM Amstelveen, The Netherlands

[Manufacturer] LG Electronics Inc. Changwon 2nd factory 84, Wanam-ro, Seongsan-

gu, Changwon-si, Gyeongsangnam-do, KOREA

VENTILATOR
Original instruction

ITALIANO

ESPAÑOL

FRANÇAIS

DEUTSCH

ΕΛΛΗΝΙΚΆ

ČEŠTINA

NEDERLANDS

POLSKI

LIMBA ROMÂNĂ

ENGLISH

2 Ventilator

Ventilator Installation Manual

TABLE OF CONTENTS

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

Introduction ..........................8

Symbols used in this

Manual.................................8

Feature Dimension

Diagram...............................8

Installation ..........................10

Installation Map .................10

Installation of Main Body....11

Connection of Duct ............11

Method to Connect

Power Cord .......................12

How to connect Remote

Controller(Accessory) .......14

Name and Function of

Remote Controller .............14

Installation instruction........15

Group control.....................17

Installer Setting -How to enter

installer setting mode ........19

How to connect Central Con-

troller(Accessory) ..............21

Trial Operation....................22

Method to Operate and
Select Air Volume –Ventila-

tion Single Operation.........22

Method to Operate and
Select Air Volume – Inter­linked Operation with Ventila-

tion.....................................23

In case of finding a problem

at a trial operation..............24

Model Designation.............25

Airborne Noise Emission ...25

• Washer

• Nuts

• Ceiling Fixing Bolt(M 10)

• Aluminum Tape

• Screws

• Screw Driver

• Spanner

• Cutter

• Cutter

• Screw Driver

Installation

Requirements

Required Parts Required Tools

Safety Precautions

Installation Manual 3

Safety Precautions

To prevent injury to the user or other people and property damage, the following instructions
must be followed.
n Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is

classified by the following indications.

n Meanings 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.

Be sure not to do.

Be sure to follow the instruction.

ENGLISH

n Installation

Do not use a defec­tive or underrated 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
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
breaker or fuse.

• There is risk of fire or
electric shock.

WARNING

Safety Precautions

4 Ventilator

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.

Do not let the product
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.

Do not modify or
extend the power
cable.

• There is risk of fire or
electric shock.

Do not install, remove,
or re-install the unit by
yourself (customer).

• There is risk of fire,
electric shock, explo­sion, or injury.

Be cautious when
unpacking and
installing the product.

• Sharp edges could
cause injury.

Install the air intake
where polluted air
can not be directly
sucked in.

•

It may cause various acci­dents, including suffoca­tion, due to the suction of
harmful gasses(CO, etc.)

Do not install this
product in a refriger­ated warehouse,
heated swimming
pool or other location
where the tempera­ture and humidity are
significantly differ­ent.

• There is risk of electrical
shock, malfunctioning.

Install this product in an
environment where the
temperature ranges
from –10°C to +45°C and
the relative humidity is
less than 80%. It con­densation is expected to
form, heat up the fresh
outside air using a duct
heater etc.

For re-installation of
the installed product,
always contact the
dealer or an Author­ized Service Center.

• There is risk of fire,
electric shock, explosion
or injury.

Do not open the
maintenance cover of
the main body during
operation.

• Otherwise, it may cause
electrical shock.

Use the outdoor air
suction hole with the
net installed to
ensure that birds
could not come in.

•

Remove estrange things
like the bird’s nest. Other­wise, it may cause scarci­ty of indoor oxygen.

Safety Precautions

Installation Manual 5

ENGLISH

Install this product in
and environments
where the outside air
intake meets the fol­lowing conditions:
temperature range is
between –15°C and
+40°C and the rela­tive humidity is 80%
or less.

Use the designated
electrical wires for
the terminal board
connections, and
connect the wires
securely so that they
will not become dis­connected. (Failure
to ensure proper con­nections may cause
fire.)

When passing metal
ducts through wooden
buildings clad with
metal laths, wire laths
or metal, these ducts
must be installed in
such a way that they
will not make electrical
contact with the metal
laths, wire laths or
metal sheets. (Power
leakage can cause
ignition)

When the product is
soaked (flooded or
submerged), contact
an Authorized Service
Center.

• There is risk of fire or
eletric shock.

Don't touch a dedicat­ed circuit or breaker
with wet hands.

• There is risk of electric
shock.

Do not store or use
flammable gas or
combustibles near
the product.

• There is risk of fire or
failure of product.

n Operation

When flammable gas
leaks, turn off the gas
and open a window for
ventilation before turn
the product on.

•

Do not use the tele­phone or turn switches
on or off. There is risk
of explosion or fire

Be cautious that
water could not enter
the product.

• There is risk of fire,
electric shock, or prod­uct damage.

Turn the breaker off
when cleaning or
maintaining the prod­uct.

• There is risk of electric
shock.

Safety Precautions

6 Ventilator

CAUTION

Keep level even when
installing the prod­uct.

• To avoid vibration or
water leakage.

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 evapora­tor fins, could cause
product malfunction or
inefficient operation.

Don't connect the
ground wire to the win­dow frame or water
cock.

• There is risk of electric
shock.

Do not install the prod­uct at a smoky and oily
place like kitchen or
factory.

• Otherwise. oil may
adhere to the filter or
heating exchanger and
cause trouble.

Install the product in
an insulated space
from outdoor air.

• In case of installing the
product outside of the
insulated layer, dewing
occurs inside of the
main body in winter.And
it causes electrical
shock or falling of con­densed water.

n Installation

The outside ducts must be tilted
at a gradient (1/30 or more) down
toward the outdoor area from the
ventilator unit, and properly insu­lated. (The entry of rain water may
cause power leaks, fire or damage
to household property.)

Glove should be worn when doing
the installation work. (There is
risk of injury.)

Safety Precautions

Installation Manual 7

ENGLISH

Use a soft cloth to
clean. Do not use
harsh detergents, wax
or thinner, etc.

• Otherwise, color or sur­face of the oroduct mav
deteriorate.

Clean the filter and the
heat exchanger regu­larly and use the
gloves for cleaning.

• Adhering to a mass of
dust may cause the
deterioration of air vol­ume.

Do not use the product
for special purposes,
such as preserving
foods, works of art,
etc. It is a consumer
ventilator, not a preci­sion refrigeration sys­tem.

• There is risk of dam­age or loss of property.

n Operation

Do not block the inlet or outlet of
air flow.

• It may cause product failure.

Do not step on or put anyting on
the product.

• There is risk of personal injury and
failure of product.

Introduction

8 Ventilator

Model

680 750 250 596 781 237 150 146 156 51 522 139 30

A B C D E F G H J K L kg

LZ-H025GBA3

Figure Duct Pitch Weight

Pitch of Suspension Fix-

ture

Duct Connection Flange

Nominal

Diameter

Model : LZ-H025GBA3

Unit : mm

h

It necessary to secure sufficient space for maintenance more than the dimensions described in the
product service.

This symbol alerts you to the risk of electric shock.

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

This symbol indicates special notes.

Feature Dimension Diagram

Symbols used in this Manual

Introduction

NOTICE

Suspension Fixture

RA

(Return Air)

SA

(Supply Air)

Control Box

Blower for

Supply Air

Total Heat Exchanger

Blower for

Exhaust Air

OA

(Outdoor Air)

EA

(Exhaust Air)

Introduction

Installation Manual 9

Model : LZ-H035GBA3

h

It necessary to secure sufficient space for maintenance more than the dimensions described in the
product service.

ENGLISH

Model

750 600 350 668 632 314 150 146 155 50 422 89 33

A B C D E F G H J K L kg

LZ-H035GBA3

Figure Duct Pitch Weight

Pitch of Suspension Fix-

ture

Duct Connection Flange

Nominal

Diameter

Unit : mm

Blower for Exhaust Air

EA

(Exhaust Air)

OA

(Outdoor Air)

Suspension Fixture

A

Blower for Supply Air

D

J

Control Box

H

G

SA

(Supply Air)

B

E

RA

(Return Air)

F

C