LG LZ-H0106BA0.ENWALEU, LZ-H0106BA0, LZ-H0156BA0, LZ-H0156BA0.ENWALEU Owner's Manual

LG
Ventilator

OWNER'S MANUAL

LG

IMPORTANT

• Please read this owner's manual carefully and thoroughly
before installing and operating your product.

• Please retain this owner's manual for future reference after
reading it thoroughly.

Prior to installation, this ventilation unit
must be submitted for approval by the
utility service which provides electricity
(EN 61000-2, EN 61000-3 Norm).

website http://www.lgservice.com

2 Ventilator

Ventilator Owner’s Manual

TABLE OF CONTENTS

FOR YOUR RECORDS

Write the model and serial numbers here:

Model #

Serial #

You can find them on a label on the side of each unit.

Dealer's Name

Date Purchased

■ Staple your receipt to this page in the event you need
it to prove date of purchase or for warranty issues.

READ THIS MANUAL

Inside you will find many helpful hints on how to use
and maintain your ventilator properly. Just a little
preventive care on your part can save you a great deal
of time and money over the life of your Ventilator.

You'll find many answers to common problems in the
chart of troubleshooting tips. If you review our chart of

Troubleshooting Tips first, you may not need to call
for service at all.

PRECAUTION

• Contact the authorized service technician for

repair or maintenance of this unit.

• Contact the installer for installation of this unit.

• The ventilator is not intended for use by young

children or invalids without supervision.

• Young children should be supervised to ensure

that they do not play with the ventilator.

• When the power cord is to be replaced,

replacement work shall be performed by
authorized personnel only using only genuine
replacement parts.

• Installation work must be performed in

accordance with the National Electric Code by
qualified and authorized personnel only.

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

Prior to Operation ..........................8

Introduction ....................................9

Electrical Safety ...........................11

Characteristics .............................12

Operating Instructions.................13

Maintenance and Service ............22

Check Item prior to notify

a failure .........................................27

Owner's Manual 3

Safety Precautions

Safety Precautions

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

■ 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.

Be sure not to do.

Be sure to follow the instruction.

■ Installation

Do not use a defective or
underrated circuit breaker.
Usethisapplianceona
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.

4 Ventilator

Safety Precautions

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 ventilator 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.

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.

Install the outdoor air suction hole at a place
where exhaust air is not directly sucked.

• Otherwise, it may cause pollute indoor air and
so result in obstacle of health.

Install the product a place that can support
its weight.

• Otherwise, it may cause accident due to falling
of the product.

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.
Be especially careful of the
case edges and the fins on the
condenser and evaporator.

Owner's Manual 5

Safety Precautions

■ Operation

Do not touch(operate) the
product with wet hands.

• There is risk of fire or electrical
shock.

Do not place a heater or
other appliances near the
power cable.

• There is risk of fire and electric
shock.

Do not allow water to run
into electric parts.

• It may cause There is risk of fire,
failure of the product, or electric
shock.

Take care to ensure that power
cable could not be pulled out
or damaged during operation.

• There is risk of fire or electric
shock.

Do not place anything on
the power cable.

• There is risk of fire or electric
shock.

Do not plug or unplug the
power supply plug during
operation.

•Thereisriskoffireorelectric
shock.

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

• There is risk of fire or failure of
product.

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

If strange sounds, or small
or smoke comes from
product. Turn the breaker
off

•Thereisriskofelectricshockor
fire.

Gasolin

6 Ventilator

Safety Precautions

Stop operation and close
the window in storm or
hurricane. If possible,
remove the product from
the window before the
hurricane arrives.

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

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

•Thereisriskoffireorelectric
shock.

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.

When the product is not be
used for a long time,
disconnect the power
supply plug or turn off the
breaker.

• There is risk of product damage
or failure, or unintended
operation.

Avoid fire equipment

• There is risk of fire.

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

•Thereisriskofelectricshock.

Use a firm stool or ladder when cleaning or
maintaining the product.

• Be careful and avoid personal injury.

Owner's Manual 7

Safety Precautions

■ Installation

■ Operation

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.

Do not step on or put anything on the
product. (outdoor units)

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

Use a firm stool or ladder when cleaning or
maintaining the product.

• Be careful and avoid personal injury.

Do not expose the skin
directly to cool air for long
periods of time.
(Don't sit in the draft.)

• This could harm to your health.

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.

Use a soft cloth to clean.
Do not use harsh
detergents, solvents, etc.

• There is risk of fire, electric shock,
or damage to the plastic parts of
the product.

Wax

Thinner

8 Ventilator

Prior to Operation

Prior to Operation

1. Contact an installation specialist for installation.

2. Plug in the power plug properly.

3.Useadedicatedcircuit.

4. Do not use an extension cord.

5. Do not start/stop operation by plugging/unplugging the power cord.

6. If the cord/plug is damaged, replace it with only an authorized replacement part.

1. Being exposed to direct airflow for an extended period of time could be hazardous to
your health. Do not expose occupants, pets, or plants to direct airflow for extended
periods of time.

2. Due to the possibility of oxygen deficiency, ventilate the room when used together
with stoves or other heating devices.

3. Do not use this ventilator for non-specified special purposes (e.g. preserving
precision devices, food, pets, plants, and art objects). Such usage could damage the
items.

1. Do not touch the metal parts of the unit when removing the filter. Injuries can occur
when handling sharp metal edges.

2. Do not use water to clean inside the ventilator. Exposure to water can destroy the
insulation, leading to possible electric shock.

3. When cleaning the unit, first make sure that the power and breaker are turned off.
The fan rotates at a very high speed during operation. There is a possibility of injury if
the unit’s power is accidentally triggered on while cleaning inner parts of the unit.

For repair and maintenance, contact your authorized service dealer.

Preparing for operation

Usage

Cleaning and maintenance

Service

Owner's Manual 9

Introduction

Introduction

This symbol alerts you to the risk of electric shock.

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

This symbol indicates special notes.

NOTICE

Features

1

5

6

2

4

3

Application tools : 100/150 CMH(28/42 L/s)

Symbols used in this Manual

WARNING: This appliance should be installed in accordance with national wiring
regulations. This guide acts as a guide to help to explain product features.

1. Blower for Air Supply

A blower for sucking outside air.

2. Control Box

3. Blower for Exhausting

A blower for draining polluted air outside.

4. Maintenance cover

5. Total Heat Exchanger

Exchanges temperature and moisture
between air supply air and exhaust air.

6. Air Filter

Prevents clogging of the Total heat
exchanger due to dust.

❈ The figure of Total heat Exchanger can be different by the Product Model.

10 Ventilator

Introduction

1

5

4

6

2

3

Application tool : 250 CMH(69 L/s)

1. Air Filter

Prevents clogging of the Total heat
exchanger due to dust.

2. Total Heat Exchanger

Exchanges temperature and moisture
between air supply air and exhaust air.

3. Blower for Exhausting

A blower for draining polluted air outside.

4. Control Box

5. Blower for Air Supply

A blower for sucking outside air.

6. Maintenance cover

❈ The figure of Total heat Exchanger can be different by the Product Model.

Owner's Manual 11

Electrical Safety

Electrical Safety

WARNING: This appliance must be properly grounded.

To minimize the risk of electric shock, you must always plug into a grounded outlet.

WARNING: Do not cut or remove the grounding prong from the
power wire.

WARNING: Attaching the adapter ground terminal to the wall
receptacle cover screw does not ground the appliance unless the
cover screw is metal and not insulated, and the wall receptacle is
grounded through the house wiring.

WARNING: If you have any doubt whether the ventilator is properly
grounded, have the wall receptacle and circuit checked by a
qualified electrician.

Preferred method

Ensure proper ground
exists before use

12 Ventilator

Characteristics

Characteristics

Exhaust air

Outdoor air

Total Heat Exchanger

Damper

Return Air

Supply Air

Exhaust air

Outdoor air

Total Heat Exchanger

Damper

Return Air

Supply Air

Exhausts indoor air via the Total heat exchanger outdoor.

• The outdoor air heat exchanged is supplied to indoor. Operate the ventilator in the
[Ventilation via Total heat exchanger] in summer/winter when cool/heat operation is done.

Ventilation via Total Heat Exchanger

Exhausts the polluted indoor-air directly without via the Total heat
exchanger.

• Operate the ventilator in the [Normal Ventilation] in spring/autumn when the Total heat exchanger
is not required.

Normal Ventilation

CAUTION: In case of high outdoor pollution degree like yellow sand please pause the
ventilator.

Owner's Manual 13

TIME RESET

Linked Run

Central Run Heat XCH Auto Normal Fan Speed

Heater Preheat
Defrost

Humidify

PLASMA

Timer

Program set

Sun

Mon

Tue Wed Thu

Fri Sat

On Off

Auto

Set no. Timer

EXTERNAL VENTILATOR OPERATION

SUB FUNCTION

Filter

Time

Delay Time

e-SAVER

Z O N E

Auto

1 2 3 4

Lo

Hi

SHi

Dual Remote

fresh

Timer Cancel

Program Week

Hour Min

Holiday

Set/Clr

fresh

Auto

Cover open status

• Every function is not available by a kind of models.

Plasma

1

2

9

10

3
4

5
6

7

12

11

8

Operating Instructions

Operating Instructions

LCD Remote Controller (Ventilation System Remote Controller AZLRAD0)

1. Display Window

2. Execute/Cancel of Time
Reservation,Weekly Reservation/Weed
Day Select/Holiday Select Button

3. Operation/Stop Button

4. Delay Time Button

5. Rapid Ventilation Button

6. Ventilation Mode Button

7. Air volume Select Button

8. Power Saving/Filter Cleaning Button

9. Time Reset Button

10. Heater Button

11. Humidification Button

12. Plasma Button

14 Ventilator

TIME RESET

Linked Run

Central Run Heat XCH Auto Normal Fan Speed

Heater Preheat
Defrost

Humidify

PLASMA

Timer

Program set

Sun

Mon

Tue Wed Thu

Fri Sat

On Off

Auto

Set no. Timer

EXTERNAL VENTILATOR OPERATION

SUB FUNCTION

Filter

Time

Delay Time

e-SAVER

Z O N E

Auto

1 2 3 4

Lo

Hi

SHi

Dual Remote

fresh

Timer Cancel

Program Week

Hour Min

Holiday

Set/Clr

fresh

Auto

Plasma

• Every function is not available
by a kind of models.

Operating Instructions

Method to operate and select air volume

Operation selection

Press the Operation/Stop button.

• The ventilation system operates
If you press the Operation/Stop button
of the main power.
If you press it again, the ventilation
system stops.

Blowing operation

Select the desired air volume by pressing
the Air volume Select button.

• You can select the air volume in the
order of Low → High → Super High →
Auto whenever you press the Air
volume Select button.

• The initially set Air volume in operation
is ‘High’.

Owner's Manual 15

Ventilation Mode Setting

Operating Instructions

Linked Run

Central Run

Heater Preheat
Defrost

Humidify

PLASMA

Filter

Time

Delay Time

e-SAVER

Z O N E

1 2 3 4

Dual Remote

fresh

Timer

Program set

Sun

Mon

Tue Wed Thu

Fri Sat

On Off

Set no. Timer

TIME RESET

Heat XCH Auto Normal Fan Speed

Auto

EXTERNAL VENTILATOR OPERATION

SUB FUNCTION

Auto

Lo

Hi

SHi

Timer Cancel

Program Week

Hour Min

Holiday

Set/Clr

fresh

Auto

Plasma

Auto

Heat XCH

Auto

Auto

Normal

Select Mode Display Window

Functions

1.The Ventilation
via Total Heat
Exchange
mode

Mode that supply/exhaust air is ventilated via the Total heat
exchanger.
Appropriate for use in summer/winter when temperature
difference between indoor/outdoor air is severe
(See ‘Characteristics’).

2. The Auto mode Automatically operates in the optimum ventilation mode by

measuring the indoor/outdoor air of the ventilation system.

❈ Searches the optimum status by operation mode or

setting temperature of ventilator as well as by
indoor/outdoor temperature of the ventilation system in
link of Multi-V. (Only for some models)

3. The Normal
Ventilation

Mode that exhaust air is ventilated without the Total heat
exchanger.
Appropriate for use in spring/autumn or in case of the high
indoor pollution degree(See ‘Characteristics’).

• Every function is not available
by a kind of models.

Select the desired operation mode by
pressing the Ventilation Mode button.

• You can select the Operation Mode in
the order of Total Heat → Auto →
Normal whenever you press the
Ventilation Mode button.

16 Ventilator

Operating Instructions

Rapid Ventilation/Power Saving Ventilation

Auto Normal

Heater Preheat

Defrost

Humidify

Filter

Time

Delay Time

Z O N E

1 2 3 4

Lo

Hi

SHi

Linked Run

Central Run

PLASMA

Timer

Program set

Sun

Mon

Tue Wed Thu

Fri Sat

On Off

Set no. Timer

Dual Remote

TIME RESET

Heat XCH Fan Speed

Auto

EXTERNAL VENTILATOR OPERATION

SUB FUNCTION

e-SAVER

fresh

Timer Cancel

Program Week

Hour Min

Holiday

Set/Clr

fresh

Auto

Plasma

fresh

• Every function is not available
by a kind of models.

Rapid Ventilation

Press the [Rapid Ventilation] button.

• Operation for preventing the polluted
indoor air or moisture from extending
to other rooms.

- Supply Air fan : Low.

- Exhaust fan : Super High

• [Rapid] is indicated on the remote controller and the
air volume is indicated “Auto”.

❈ It is better to use Rapid Ventilation function when

the indoor pollution degree is high.

• Adjustable to Inflow Prevention operation in the initial
installation Inflow prevention operation means
function to improve pleasantness by preventing
inflow of outdoor smell or moisture by more
increasing Supply Air volume than Exhaust air
volume.

- Supply Air fan : Super high

- Exhaust fan : Low

For more information, contact the professional
installation agent.

Power Saving Ventilation

Press the [e-Saver] button.

• Operation to achieve saving of
power by searching for the best
efficient operation point.

• Promote discharge of CO

2 by more

Exhaust Air volume than supply Air volume.

• [e-Saver] is indicated on the remote controller and
the air volume indicates ‘Auto’.

Owner's Manual 17

Operating Instructions

TIME RESET

Linked Run

Central Run Heat XCH Auto Normal Fan Speed

Heater Preheat
Defrost

Humidify

PLASMA

Timer

Program set

Sun

Mon

Tue Wed Thu

Fri Sat

On Off

Auto

Set no. Timer

EXTERNAL VENTILATOR OPERATION

SUB FUNCTION

Filter

Time

Delay Time

e-SAVER

Z O N E

Auto

1 2 3 4

Lo

Hi

SHi

Dual Remote

fresh

Timer Cancel

Program Week

Hour Min

Holiday

Set/Clr

fresh

Auto

Plasma

Plasma

• Every function is not available
by a kind of models.

Optional Function

* Every function is not available by a kind of models.

Heating Operation

• In case of low outdoor temperature,
this function enables ventilator to
supply more refreshing air by raising
total enthalpy efficiency.

'Plasma' Operation

• It makes ventilator supply air
quality more better,fresher.

• Remote controller displays 'Plasma'.

'Humidification' Operation

• In case of dry indoor air, it makes
product maintain uniform humidity
by working humidifier.

• Remote controller displays 'Humidify'.

• Only when the indoor temperature is low,

this function is available.

18 Ventilator

Operating Instructions

Additional function

Setting of current time

• You can easily set the current time.

TIME RESET

Linked Run

Central Run Heat XCH Auto Normal Fan Speed

Heater Preheat

Defrost

Humidify

PLASMA

Timer

Program set

Sun

Mon

Tue Wed Thu

Fri Sat

On Off

Auto

Set no. Timer

EXTERNAL VENTILATOR OPERATION

SUB FUNCTION

Filter

Time

Delay Time

e-SAVER

Z O N E

Auto

1 2 3 4

Lo

Hi

SHi

Dual Remote

fresh

Timer Cancel

Program Week

Hour Min

Holiday

Set/Clr

fresh

Auto

Plasma

Week

Program set

Sun

Mon

Tue Wed Thu

Fri Sat

Set no. Timer

EXTERNAL VENTILATOR OPERATION

SUB FUNCTION

Delay Time

Heat XCH NormalAuto

Auto

Heater Preheat
Defrost

Humidify

Z O N E

1 2 3 4

Linked Run

Central Run

PLASMA

Dual Remote

Fan Speed

Auto

Lo

Hi

SHi

e-SAVER

fresh

Time

Program set

Sun

Mon

Tue Wed Thu

Fri Sat

Set no. Timer

EXTERNAL VENTILATOR OPERATION

SUB FUNCTION

Delay Time

Heat XCH NormalAuto

Auto

Heater Preheat
Defrost

Humidify

Z O N E

1 2 3 4

Linked Run

Central Run

PLASMA

Dual Remote

Fan Speed

Auto

Lo

Hi

SHi

e-SAVER

fresh

Time

Program set

Set no. Timer

EXTERNAL VENTILATOR OPERATION

SUB FUNCTION

Delay Time

Heat XCH NormalAuto

Auto

Heater Preheat
Defrost

Humidify

Z O N E

1 2 3 4

Linked Run

Central Run

PLASMA

Dual Remote

Fan Speed

Auto

Lo

Hi

SHi

e-SAVER

fresh

Time

Sun

Mon

Tue Wed Thu

Fri Sat

Hour Min

Hour Min

TIME RESET

Sun

• Every function is not available
by a kind of models.

1

Press the [Hour] button on the adjustment part of
the remote controller.
Figures change 00 through 23 whenever you press
the button.
Adjust the current time.

2

Press the [Minute] button on the adjustment part of
the remote controller.
Figures change 00 through 59 whenever you press
the button.
Adjust the current time.

3

Press the [Week Day Select] on the adjustment
part of the remote controller.
Weekdays change from Sunday through Saturday
whenever you press the button.
Adjust the current day.

4

Press the [Reset] button on the adjustment part of
the remote controller.

*If you press [RESET] button once, current time is set.

And if you press it once again, current set time
cancelled.

Owner's Manual 19

Operating Instructions

Weekly Reservation Setup

No reservation operation is done with the current time not setting up.
Example) To operate the ventilator at 06:00 ~ 08:00 and 13:00 ~ 22:00 on Monday

TIME RESET

Linked Run

Central Run Heat XCH Auto Normal Fan Speed

Heater Preheat
Defrost

Humidify

PLASMA

Timer

Program set

Sun

Mon

Tue Wed Thu

Fri Sat

On Off

Auto

Set no. Timer

EXTERNAL VENTILATOR OPERATION

SUB FUNCTION

Filter

Time

Delay Time

e-SAVER

Z O N E

Auto

1 2 3 4

Lo

Hi

SHi

Dual Remote

fresh

Timer Cancel

Program Week

Hour Min

Holiday

Set/Clr

fresh

Auto

Plasma

EXTERNAL VENTILATOR OPERATION

SUB FUNCTION

Filter

Time

Delay Time

Heat XCH NormalAuto

Auto

Heater Preheat

Defrost

Humidify

Z O N E

1 2 3 4

Linked Run

Central Run

PLASMA

Dual Remote

Fan Speed

Auto

Lo

Hi

SHi

e-SAVER

fresh

Program set

Sun

Mon

Tue Wed Thu

Fri Sat

Set no. Timer

Set/Clr

Program

Week

Hour Min

Set no. Timer

Program set

Sun Tue Wed Thu

Fri Sat

EXTERNAL VENTILATOR OPERATION

SUB FUNCTION

Filter

Time

Delay Time

Heat XCH NormalAuto

Auto

Heater Preheat

Defrost

Humidify

Z O N E

1 2 3 4

Linked Run

Central Run

PLASMA

Dual Remote

Fan Speed

Auto

Lo

Hi

SHi

e-SAVER

fresh

Mon

• Every function is not available
by a kind of models.

1

Press the [Program] button on the adjustment part
of the remote controller.

2

Press the [Week] button on the adjustment part of
the remote controller.

• Adjust Monday
The day is changed when ever you press the button.

3

Set up the desired time by pressing the [Set/Clr]
button after movement with the [Hour, Min] button.
Setup the time until the desire time is setup.

• If holiday is designated, input of the [Set/Clr] button is
not done.

• Setup will be done automatically after 5 seconds.

4

Setting display

20 Ventilator

Operating Instructions

TIME RESET

Linked Run

Central Run Heat XCH Auto Normal Fan Speed

Heater Preheat

Defrost

Humidify

PLASMA

Timer

Program set

Sun

Mon

Tue Wed Thu

Fri Sat

On Off

Auto

Set no. Timer

EXTERNAL VENTILATOR OPERATION

SUB FUNCTION

Filter

Time

Delay Time

e-SAVER

Z O N E

Auto

1 2 3 4

Lo

Hi

SHi

Dual Remote

fresh

Timer Cancel

Program Week

Hour Min

Holiday

Set/Clr

fresh

Auto

Plasma

Holiday

EXTERNAL VENTILATOR OPERATION

SUB FUNCTION

Filter

Time

Delay Time

Heat XCH NormalAuto

Auto

Heater Preheat
Defrost

Humidify

Z O N E

1 2 3 4

Linked Run

Central Run

PLASMA

Dual Remote

Fan Speed

Auto

Lo

Hi

SHi

e-SAVER

fresh

Program set

Sun

Mon

Tue Wed Thu

Fri Sat

Set no. Timer

EXTERNAL VENTILATOR OPERATION

SUB FUNCTION

Filter

Time

Delay Time

Heat XCH NormalAuto

Auto

Heater Preheat
Defrost

Humidify

Z O N E

1 2 3 4

Linked Run

Central Run

PLASMA

Dual Remote

Fan Speed

Auto

Lo

Hi

SHi

e-SAVER

fresh

Program set

Sun

Mon

Tue Wed Thu

Fri Sat

Set no. Timer

Program

EXTERNAL VENTILATOR OPERATION

SUB FUNCTION

Filter

Time

Delay Time

Heat XCH NormalAuto

Auto

Heater Preheat
Defrost

Humidify

Z O N E

1 2 3 4

Linked Run

Central Run

PLASMA

Dual Remote

Fan Speed

Auto

Lo

Hi

SHi

e-SAVER

fresh

Program set

Tue

Set no. Timer

Week

• Every function is not available
by a kind of models.

Holiday Setup

Example) In the case that it is holiday on Tuesday.

• Automatically turn off when the reservation day set up.

1

Press the [Program] button on the adjustment part
of the remote controller.

2

Press the [Week] button on the adjustment part of
theremotecontroller.

• Adjust Tuesday.

3

Press the [Holiday] button on the adjustment part
of the remote controller.
[Tue] is indicated on the adjustment part of the
remote controller.
The outside square means a holiday.

• Setup will be done automatically after 5 seconds.

Owner's Manual 21

Operating Instructions

On/Off Reservation

‘On’ Reservation

• Automatically turn on when the reservation time set up.

Program set

Mon

Tue Wed Thu

Fri Sat

Linked Run

Central Run Heat XCH Auto Normal Fan Speed

Heater Preheat

Defrost

Humidify

PLASMA

Auto

EXTERNAL VENTILATOR OPERATION

SUB FUNCTION

Filter

Time

Delay Time

e-SAVER

Z O N E

Auto

1 2 3 4

Lo

Hi

SHi

Dual Remote

fresh

TIME RESET

Timer

Sun

On

Timer

Timer Cancel

Program Week

Hour Min

Holiday

Set/Clr

fresh

Auto

Plasma

Sun

Mon

Wed Thu

Fri Sat

Fan Speed

Heater Preheat

Defrost

Humidify

Auto

Filter

Z O N E

1 2 3 4

Normal

PLASMA

e-SAVER

fresh

Linked Run

Central Run Auto

Delay Time

Dual Remote

TIME RESET

Heat XCH

Timer

Program set

Tue

Off

Timer

EXTERNAL VENTILATOR OPERATION

SUB FUNCTION

Time

Lo

Hi

SHi

Timer Cancel

Program Week

Hour Min

Holiday

Set/Clr

fresh

Auto

Plasma

Timer

Timer

Hour Min

Timer

Timer

Hour Min

• Every function is not available
by a kind of models.

• Every function is not available
by a kind of models.

1

Press [Timer] button on the
adjustment part of the remote
controller.

2

Set up desired time with

[Hour, Min] button.

1

Press [Timer] button on the
adjustment part of the remote
control.

2

Set up desired time with

[Hour, Min] button.

3

Press [Timer] button once more or
press the Cancel button in order to
cancel reservation.

•

You can reserve only when the product is ‘off’ and
it automatically operates at set up time. During
operation, the ventilator operates in the previous
status memorized in the remote controller.

3

Press [Timer] button once more or
press the Cancel button in order to
cancel reservation.

• You can reserve only when the product is
during operation and operation
automatically stops at set up time.

‘Off’ Reservation

• Automatically turns off when the reservation time set up.

• Setup will be done automatically after 5 seconds.

• Setup will be done automatically after 5 seconds.

1. Open the maintenance cover

Loosen the setting knob assembled to the
maintenance cover with either hand or a +
driver, and open the maintenance cover.

2. Remove the air filter and pull out
the heat exchanger.

- Pull out the air filter installed at the bottom
of the heat exchanger.

- Pull out the heat exchanger by holding the
clamp cord connected to each end of the
heat exchanger.

CAUTION:

- When removing the air filter, be careful of
sharp edges.

- When pulling out the heat exchanger
connected to the product, be careful not to
drop the heat exchanger.

3. Remove the air filter.

Remove the air filter installed on top of the
heat exchanger.

CAUTION: When removing the air
filter, be careful of sharp edges.

22 Ventilator

Handling and Cleaning

Maintenance and Service

Maintenance and Service

Main Body

Maintenance Cover

Setting Knob

Total Heat
Exchanger

Clamp Cord

Air Filter

Air Filter

To prevent function of the ventilator deteriorating, clean dust adhered to the air filter and total heat
exchanger regularly.

Cleaning Cycle

-Airfilter:Morethanonceevery6months.

- Total heat exchanger: More than once every 2 years (Cleaning cycle may increase according to

pollution degree.)

Method to take each part out
Application tools : 100/150 CMH(28/42 L/s)

WARNING: Turn the breaker off

when cleaning the product.

CAUTION: Gloves should be worn

when doing the maintenance work.

Owner's Manual 23

Maintenance and Service

1.Open the maintenance cover

Loosen the setting knob assembled to the
maintenance cover with either hand or a +
driver, and open the maintenance cover.

2. Pull out the heat exchanger

Pull out the heat exchanger by holding the
clamp cord connected to each end of the
heat exchanger.

CAUTION: When pulling out the heat
exchanger connected to the product,
be careful not to drop the heat
exchanger

3. Remove the air filter.

Remove the air filter installed on left and
right side of the top of the heat exchanger.

CAUTION: When removing the air
filter, be careful of sharp edges.

Method to take each part out
Application tool : 250 CMH(69 L/s)

Maintenance
Cover

Main Body

Setting Knob

Total Heat
Exchanger

Clamp Cord

Air Filter

WARNING: Turn the breaker off
when cleaning the product.

CAUTION: Gloves should be worn
when doing the maintenance work.

24 Ventilator

Maintenance and Service

Cleaner

Air Filter

Total Heat ExchngerAir Filter

Method to Clean and Replace Each Part

1. Cleaning of Air Filter

Clean once every 6 months.

• Clean dirt from the air filter using a vacuum cleaner or
washing with water.
(if dirt is conspicuous, wash with a neutral detergent in
lukewarm water)

• After washing with water, dry well in the shade.
(Do not expose the air filter to direct sunlight or heat
fromafirewhendryingit)

• If the air filter is damaged, purchase it from the service
center or professional agent.

2. Cleaning of Total Heat Exchanger

Suck dusts adhered to the surface of the Total heat
exchanger with a cleaner.

• Use the cleaner that attached to brush at its nozzle, and
use a soft brush.

• Do not use a hard nozzle on the cleaner.
(Otherwise, surface of the Total heat exchanger may be
damaged.)

• Never wash the Total heat exchanger with water.

• Replacement expenses are for a consideration after 2

years from the purchasing date.

• Expenses are for a consideration when you will contact
the service center even within 2 years from the
purchasing date.

• For service, always contact the dealer or an Authorized
Service Center.

Owner's Manual 25

Main Body

Air Filter

Air Filter

Holder for

Total Heat Exchanger

Maintenance Cover

Assembly and Check after Maintenance

Maintenance and Service

1. First assemble one air filter.

- Slide in the air filter according to the holder
structure of the heat exchanger.

- When inserting the air filter, be careful not
to damage the surface of the heat
exchanger.

- Dust on the heat exchanger can be the
cause of weak airflow.

2. Assemble the other air filter after
assembling the heat exchanger to
the main unit.

- Correctly set the corners of the heat
exchanger to the holder and push in to the
main unit.

- Slide in the air filter according to the structure
of the heat exchanger.

- When inserting the air filter, be careful not
to damage the surface of the heat
exchanger.

- Dust on the heat exchanger can be the
cause of weak airflow.

3. Assemble the maintenance cover.

Assemble the maintenance cover by tightening
the setting knob.

Application tools : 100/150 CMH(28/42 L/s)

WARNING: Turn the breaker off when
cleaning the product.

CAUTION: Gloves should be worn
when doing the maintenance work.

26 Ventilator

Maintenance and Service

1. Assemble the air filter.

- Slide in the air filter according to the holder
structure of the heat exchanger.

- Dust on the heat exchanger can be the
cause of weak airflow.

2. Assemble the heat exchanger to the
main unit.

- Correctly set the corners of the heat
exchanger to the holder and push in to the
main unit.

3. Assemble the maintenance cover.

- Assemble the maintenance cover by tightening
the setting knob.

- Properly align the holder of the heat
exchanger which is attached on the inner side
of the maintenance cover and the corners of
the heat exchanger for assembling.

Application tool : 250 CMH(69 L/s)

Air Filter

Main Body

Main Body

Total Heat
Exchanger

Maintenance Cover

WARNING: Turn the breaker off when

cleaning the product.

CAUTION: Gloves should be worn

when doing the maintenance work.

Owner's Manual 27

Check Item prior to notify a failure

Check Item prior to notify a failure

The Product doesn't work

The Product doesn't work
through you press the 'ON'
switch

Through you change the
Indoor Air Volume, the
operation mode doesn't
change And it changes to
'Auto' or Low'.

Is power not supplied?

Is Air Filter, Total heat
exchanger clogged severely?

Is the Indoor temperature less
than -15°c or more than 45°C?

Is the Indoor temperature less
than 8°C or more than 40°C?

Supply Power

Follow cleaning and changing
method.

It's standby mode for
protecting Total Heat
Exchanger.

It's operation mode to protect
Total Heat Exchanger.

Symptom Check Item Counter-measure

P/No.: 3828A20468D Printed in Korea

After reading this manual, keep it in a place easily accessible to the user for future reference.