LG LSN12ARMH Owner's manual

OWNER’S MANUAL

AIR CONDITIONER

Please read this manual carefully before operating

your set and retain it for future reference.

TYPE : WALL MOUNTED

P/No. MFL39754850

LG Electronics India Pvt. Ltd.

Regd. Office: A-27, Mohan Cooperative Industrial

Estate, Mathura Road, New Delhi-110044.

www.lg.com

MFL39754850

(Recommended 24°C is suitable for human body)

(Refer page no. 20 and 21 for details)

1. When this crossed-out wheeled bin symbol is attached to a means the product is

covered by the e-waste (Management and Handling) Rules, 2011.

2. All electrical and electronic products should be disposed of separately from the municipal waste

stream via designated collection facilities appointed by the government or the local authorities.

3. The correct disposal of your old appliance will help prevent potential negative consequences for

the environment and human health.

4.For more detailed information about disposal of your old appliance, please contact your city office, waste

disposal service or the shop where you purchased the product.

5.This product does not contain any of the hazardous substances as specified in the rule 13 (1) and (2) of the

e-waste (Management and Handling) Rules, 2011.

product it

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– Prior to operation

Components

Electrical Safety

Using the remote control

–

Inserting Batteries

Installing the remote control holder

Wireless Remote Control

BASIC FUNCTIONS

13

Cooling your room

Heating your room

Removing humidity

Airing your room

Adjusting the fan speed

Adjusting the air flow direction

Setting the timer

– Setting the current time

– Turning on the air conditioner

automatically at a set time

– Turning off the air conditioner

automatically at a set time

– Cancelling the timer setting

Setting sleep mode

ADVANCED FUNCTIONS

16

Changing room temperature quickly

Air purification mode

Indoor air purification

– Auto Clean operation

– Plasma Purification operation

Auto operation

Quiet Mode (optional)

Energy Saver mode

Dimmer

Operating the air conditioner without the

remote control

MAINTENANCE

21

– Cleaning the air filter

– Cleaning the anti-allergy filter

and triple filter

– Cleaning the plasma filter

TROUBLESHOOTING

23

– Self-diagnosis function

– Before requesting service

• Contact the authorized service technician for repair or

maintenance of this unit.

• Please install your air-conditioner by company

authorised service franchisee / authorised service

and sales dealer.

• The air conditioner 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 air conditioner.

• When the power cord is to be replaced, replacement

work shall be performed by authorized personnel only,

using only genuine replacement parts.

We recommend usage of voltage stabilizer with

high / low voltage cut off in areas having voltage

fluctuations.

AC TONNAGE STABILIZER KVA

(3-STEP STABILIZER)

1.0

1.5

2.0

3

4

5

PRECAUTION

Prior to Operation

Preparing for Operation

1. Contact an installation specialist for

installation.

2. Plug in the power plug properly.

3. Use a dedicated circuit.

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.

Usage

1. Being exposed to direct airflow for a long

time may be hazardous to your health. Do

not expose occupants, pets, or plants to

direct airflow for a long time.

2. Due to the possibility of oxygen deficiency,

ventilate the room when using the appliance

together with stoves or other heating

devices.

3. Do not use this air conditioner for non-

specified special purpose (e.g. preserving

precision devices, food, pets, plants, or art

objects). Such use may damage your

properties. only an authorized replacement

part.

Cleaning and Maintenance

1. Do not touch the metal parts of the unit

when removing the filter. Injury can occur.

2. Do not use water to clean inside the air

conditioner. Exposure to water can destroy

the insulation, leading to 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 triggered while cleaning

inner parts of the unit.

Service

For repair and maintenance, contact your

authorized service dealer.

Components

Symbols used in this Manual

This symbol alerts you to the risk of electric shock.

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

air conditioner.

This symbol indicates special notes.

Air Intake Vents

Air Outlet Vents

Connecting

Wires

Piping

Drain Hose

Base Plate

Indoor unit

Outdoor unit

This appliance should be installed in accordance with national wiring regulations. This guide acts as a

guide to help to explain product features.

Front Panel

Air Filter

Air Inlet

Signal Receptor

Notice

WARNING

Features

Electrical Safety

•

This appliance must be properly grounded.

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

•

Do not cut or remove the grounding.

•

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.

•

If you have any doubt whether the air conditioner is properly grounded, have the wall receptacle

and circuit checked by a qualified electrician.

WARNING

Using the remote control

12

Using the remote control

Wireless remote control

You can operate the air conditioner more conveniently with the remote control. You will find the

buttons for the additional functions under the cover of the remote control.

DescriptionDisplay ScreenControl panel

Turns the power on/off.

ON/OFF BUTTON

Selects the operation mode.

Cooling operation ( ) / Auto operation or Auto

Changeover ( ) / Healthy Dehumidifying operation

( ) / Heating operation ( )

OPERATION MODE SELECTION BUTTON

Used to select the room temperature.

ROOM TEMPERATURE SETTING BUTTONS

Used to select fan speed in four stops - Low,

Medium, High and natural wind.

INDOOR FAN SPEED SELECTION BUTTON

Used to set the desired vertical airflow direction.

HORIZONTAL VANE CONTROL BUTTON

Used to set the desired horizontal airflow direction.

VERTICAL LOUVER CONTROL BUTTON

ON–TIMER–OFF

AUTO CLEAN

Used to set auto clean.

AUTO CLEAN BUTTON

Used to check the room temperature.

ROOM TEMPERATURE CHECKING BUTTON

Used to set the time of starting and stopping operation.

ON/OFF TIMER BUTTONS

Used to adjust the time.

TIME SETTING BUTTONS

Used to set and to cancel the timer operation.

TIMER SET/CANCEL BUTTON

Used prior to resetting time.

RESET BUTTON

nd

Used to operate Dimmer Function using 2 F.

DIMMER (Optional)

Used to set sleep mode auto operation.

SLEEP MODE AUTO BUTTON

QUIET

Used to operate Energy Saver function.

ENERGY SAVER MODE

Used to operate Quiet Mode function.

QUIET MODE (Optional)

ROOM

–TIMER–

MODE

22

ON–TIMER–OFF

CANCEL

SET

AUTO CLEAN

Display

Screen

Control

Panel

MODE

ROOM

FAN

–TIMER–

SLEEP

STEP

FAN SPEED

TEMP

J T C

O

OLE

WE

R

P

O

SLEEP

Used to start or stops the plasma-purification.

PLASMA BUTTON (Optional)

Used prior to using modes printed in blue at the

bottom of buttons.

nd

2 F BUTTON

Used to start or stop the speed cooling. The Jet Cool

operates fan in super high speed in cooling mode.

JET COOL BUTTON

POWER

TEMP

FAN SPEED

CANCEL

SET

JET COOL

* Some functions may not be supported, depending on the model

RESET

FAN

Air Circulation ( ).

.

BASIC FUNCTIONS

Cooling your room

13

MODE

Following is the display on the display

screen.

POWER

MODE

POWER

Following is the display on the display

screen.

MODE

POWER

(Heating operation / Heat Pump model only)

In this mode indoor unit fan and outdoor

unit will be OFF when set temperature is

achieved.

14

FAN

POWER

Following will be displayed on the display

screen.

FAN SPEED

Press FAN SPEED repeatedly to adjust

the fan speed.

Select if you want natural air.

The fan speed adjusts automatically.

Natural wind (CHAOS Logic)

For fresher feeling, press the INDOOR FAN

SPEED SELECTION BUTTON and set to

Natural wind mode.

In this mode, the wind blows like a natural

breeze by automatically changing fan speed.

Press

Press the RESET BUTTON.

2

Press 2ndF button and check if icon is on.

3

Pre ss the until the desired time is set.

4

Press the TIMER SET/CANCEL BUTTON.

5

Check the indicator for a.m. and p.m.

NOT E

To adjust the direction of the air flow hori-

zontally.

Selectable Air Swing (Horizontal)

(Optional)

Open the remote control cover while the

air conditioner is in operation.

Press the 2ndF Button.

Press the HORIZONTAL VANE

CONTROL BUTTON.

Each time the button is pressed, the air flow

direction is changed in the direction of the

arrow.

1 Step 2 Step 3 Step 4 Step 5 Step 6 Step

Automatic Air Swing (Horizontal)

To adjust the direction of the air flow

automatically, switch OFF 2ndF button

and press button.

To adjust the direction of the air flow verti-

cally.

Selectable Air Swing (Vertical)

(Optional)

Open the remote control cover while the

air conditioner is in operation.

Press the 2ndF Button.

Press the VERTICAL LOUVERS

CONTROL BUTTON.

Each time the button is pressed, the air flow

direction is changed in the direction of the

arrow.

1 Step 2 Step 3 Step 4 Step 5 Step

Left Auto Swing Right Auto Swing

Automatic Air Swing (Vertical)

To adjust the direction of the air flow

automatically, switch OFF 2ndF button

and press button.

–TIMER–

to select the air circulatiion

operation.

15

nd

Press 2 F button and check if icon is on.

Press to set the desired ON time.

ON–TIMER

– The icon below is displayed on the

display screen.

Press until the desired time is set.

–TIMER–

Press TIMER SET/CANCEL BUTTON

to finish.

nd

Press 2 F button and check if icon is on.

Press to set the desired OFF time.

– The icon below is displayed on the

display screen.

TIMER–OFF

Press until the desired time is set.

–TIMER–

Press TIMER SET/CANCEL BUTTON

to finish.

Check if icon is off.

Press the TIMER SET/CANCEL BUTTON

aiming the remote controller at the signal

receiver.

(The timer lamp on the air conditioner and

the display will go off.)

Press POWER to turn on the power.

Press repeatedly to select the desired

mode.

Press repeatedly to select the desired

number of hours (up to 7 hours).

MODE

SLEEP

The sleep mode will op erat e indoo r fan at

sup er low spe ed in coo ling mode and at low

spe ed in heati ng mode for pleasan t sleep

In cooli ng mod e or he alt hy dehumidifi ca ti on

mode

The sett ing temperat ure will rise autom ati cal ly

two times by 1°C over next con secuti ve 30

minutes (Maxi mum 2°C ) for a com fort abl e

sleep .

Thi s will be the final sett ing tem perat ure as

long as sleep mode is func tioni ng.

After com pleti on of set time uni t will switch

OFF autom ati cal ly.

This mode does not have auto restart

feature.

16

ADVANCED FUNCTIONS

Press POWER to turn on the power.

J T

C

O

LE

Air Purification Mode

(Optional)

LG Air conditioner come with a variety of

filters like Anti-Bacteria filter, Tripple Filter,

Virus & Allergy safe filter, Plasma Filter, which

enable you to use it as a Built-in Air purifier

(Even when you are not using it for cooling,

hence minimal electricity consumption).

Press " " Key. The unit will turn ON,

with only the fan operated and Built-in Air

purifier function is activated.

– is displayed on the display screen.

In this mode the compressor will not

operate, hence saves electricity.

This function may not be supported,

depending on the model.

17

ADVANCED FUNCTIONS

Press POWER to turn on the power.

AUTO CLEAN

Press POWER to turn on the power.

During Auto Clean function, “Co” will

be displayed on the unit.

Plasma Purification operation

(Optional)

Both the plasma lamp and the power

lamp light up whi le plasma purification is

in operation.

18

ADVANCED FUNCTIONS

Auto changeover operation

this operation is basically heating or cooling function of the air

conditioner. But during this operation the controller change the

operation mode automatically to keep the temperature within

±2°C with respect to the setting temperature.

MODE

1 Press POWE R to turn on the power.

2 Open the remot e cont rol cov er.

3 Press repeatedly to select auto opera-

tion.

22

ADVANCED FUNCTIONS

19

Quiet Mode Feature :

In quiet mode unit display shows SL.

Quiet mode will be cancelled by pressing

quiet mode key again.

This mode minimizes the fan speed of the

system hence making the environment more

comfortable and silent.

1.

2. Open the remote control cover.

3. Press mode button.

e-Saver Mode

MODE

Dimmer (Optional)

1.

2.

3.

Make sure that remote & Air conditioner are ON.

nd

Press 2 F button.

Press Dimmer Key to activate/deactivate dimmer

function.

In Dimmer Mode Unit Display will be turned OFF

completely but system will be in running state.

Dimmer Mode will be cancelled if any key

nd

except 2 F Key and Room Key is pressed

(Power Key will turn OFF the Unit.

Press POWER to turn on the power.

QUIET

Press POWER to turn on the power.

22

Following is displayed on the display screen.

In this mode temperature may increase

after some time but only upto 26°C.

This mode does not have auto restart

feature.

Quiet Mode Operation

(Optional)

This function may not be supported by

Auto Restart feature (depending on

selected models.)

This function may not be supported by

Auto Restart / Other Advanced features

(depending on selected models.)

ADVANCED FUNCTIONS

20

8

Heat pump Model

Cooling Model

Room Temp. ³ 24°C 21°C ³ Room Temp. < 24°C Room Temp. < 21°C

Operating mode Cooling Cooling Healthy Dehumidification Heating

Indoor FAN Speed

High High High High

Setting Temperature

22°C 22°C 23°C 24°C

restart (Optional)

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