LG LTNH286FLC2, LTUH286FLC0 Owner’s Manual

e-mail http://www.lge.com

Cassette Type

Air Conditioner

OWNER'S MANUAL

•Please read carefully and thoroughly this manual before operating this unit.

•Contact the authorized SVC man for repair or maintenance of this unit.

•Contact the installer for installation of this unit.

•The appliance is not intended for use by young children or infirm persons without supervision.

•Young children should be supervised to ensure that they do not play with the appliance.

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

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Safety Precautions
Warning ................................	2
Caution .................................	3
Operating Instructions
Indoor Unit, Outdoor Unit......	4
Name and Function of
Remote Controller ................	5
Wireless Remote Controller
(optional)...............................	6
Set the Current Time and
a day of the Week.................	7
Weekly Program Setting.......	8
Holiday Setting .....................	9
Timer Setting ........................	9
Self-diagnosis Function ........	9
Operation Mode..................	10
Operation Procedure ..........	10
Care and Maintenance
Indoor unit...........................	23
Outdoor unit........................	23
Not used for a long time .....	24
Troubleshooting tips
Before You
Call For Service ...............	25

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 of instruction will cause harm or damage. The seriousness is classified by the following indications.

WARNING

This symbol indicates the possibility of death or serious injury.

CAUTION

This symbol indicates the possibility of injury or damage to properties only.

Installation precautions

WARNINGI

■Do not install, remove and reinstall the unit by yourself.

•Improper installation will cause water leakage, electrical shock, or fire. Please consult authorized dealer or specialist for the installation work. Please note fault caused by improper installation is not covered by warranty.

•Unit must be installed in an easily accessible area. Any additional cost required to hire a special equipment to service the unit will be the responsibility of the customer.

WARNINGI

Do not damage or use an		Do not operate switches with wet
unspecified power cord.		hands.
• It will cause electrical shock or fire.		• It may cause electrical shock.
• If the supply cord is damaged, it
must be replaced by the
manufacturer or its service agent or
a similarly qualified person in order
to avoid a hazard.
Do not operate or stop the		Do not insert your finger or
unit by inserting or pulling		stick, etc. into the air inlet/air
out the power plug.		outlet.

Plug in the power cord properly.

•Otherwise, it will cause electrical shock or fire due to heat generation.

Do not expose the skin to cool air directly for a long time.

• It will cause electrical shock	• Since the fan rotates at high	• This could damage your
or fire due to heat	speed, this may cause an	health.
generation.	injury or damage the unit.

When an abnormality (smell of burning, etc) occurs, stop the air conditioner, and

turn off the breaker.

•If the unit continues to be operated in an abnormal condition, it may cause a fire, trouble, etc. In this case, consult your dealer.

Repair or relocation should not be done by the customer.

•If this is done in correctly, it may cause a fire, electric shock, injury by dropping of the unit, water leakage, etc. Consult your dealer.

2

CAUTION

•Contact the authorized Service technician for repair or maintenance of this unit.

•Contact the installer for installation of this unit.

•The air conditioner is not intended for use by young children or infirm persons without supervision.

•Young children should be supervised to ensure that they do not play with the air conditioner.

CAUTIONI

Do not clean the air		Ventilate well when used		When the unit is to be
conditioner with water.		together with a stove, etc.		cleaned, switch off, and turn
				off the breaker.
• Water may enter the unit and		• An oxygen shortage may		• Since the fan rotates at high
degrade the insulation. It may		occur.		speed during operation, it may
cause an electric shock.				cause an injury.

	Do not put a pet or house		Do not apply an insecticide		Do not leave on installation
	plant where will be exposed to		or flammable spray.		stand which is damaged.
	direct air flow.
	• This could injure the pet or		• It may cause a fire or		• The unit may drop or fall down
	plant.		deformation of the cabinet.
					and cause an injury.

Do not put a stove, etc. where		When the unit is not going to		Do not step on the outdoor
is exposed to direct air flow.		be used for a long time, turn		unit and do not put anything
		off the breaker.		on it.
• It may cause imperfect		• It may cause an injury.		• It may cause an injury through
combustion.				dropping or falling down.
Do not operate for a long time		Do not step onto an unstable		Do not use for special
in high humidity, e.g. leaving		bench when		purposes.
a door or window open.		attaching/detaching the panel.
• In the cooling mode, if it is		• It may case an injury, etc. by		• Do not use this air conditioner
operated in a room with high		falling down.		to preserve precision devices,
humidity (80%r.h. or more) for a				food, animal, plants and art
long time, water condensed in				objects.
the air conditioner may drop and				It may cause deterioration of
may wet and spoil furniture, etc.				quality, etc.
If the supply cord is damaged, it must be		When the air filter is to be		Do not insert hands through
replaced by a special cord or assembly availible		removed, do not touch the		vanes when the air conditioner
from the manufacturer of its service agent.		metal parts of the indoor unit.		is operating.
• If will cause electrical shock or		• It may cause an injury.		• It will cause an injury by the
fire.				rotating blower.

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Operating Instructions

Indoor Unit, Outdoor Unit

Indoor Unit

Heat Pump Model

-bacteria

Air

Intake

Air Outlet

Remote

Controller

Signal Receptor

Receives the signals from the remote control.

(Signal receiving sound: two short beeps or one long beep.)

Signal Receptor

Cooling Model

Signal Receptor

Operation Indication Lamps

			On/Off	: Lights up during the system operation.
			Filter Sign	: Lights up after 2400 hours from the time of first
				operating unit. (Refer to page 23.)
			Timer	: Lights up during Timer operation.
			Defrost Mode	: Lights up during Defrost Mode or Hot Start operation.
				(Heat pump model only)
			Outdoor Unit	: Lights up during outdoor unit operation.
			Operation	(Cooling model only)
			Forced	: Operation procedures when the remote control
			Operation	can't be used.

Outdoor Unit

Air Intake	Connecting Wire
(side, rear)	Power Wire
Air Outlet
Vents	Connection Tube
	Drain Hose

Heat pump model: Cassette Type Air Conditioner for cooling and heating Cooling model: Cassette Type Air Conditioner for cooling

4

Name and Function of Remote Controller

AUTO SWING

OPERATION

SET TEMP

FAN SPEED

SUB FUNCTION

Heat Pump Model

Room Temp

MED

JET

Defrost

Humidify

1

HI

AUTO

Heater

Preheat

LO

Filter

Out door

Time

Timer

Operation unit

Program set

On Off

6

Set no. Time

01

03

05

07

09

11

13

15

17

19

21

23

3

17 2

Cooling Model

10

5

	11	Timer	Cancel
	12	Program	Week	Holiday	4
	13
				Plasma
	14			Set/Clr	7
	15	Hour	Min	RESET	8
	16				9

18

1Operation display

Displays the operation conditions.

2On/Off Button

Operation starts when this button is pressed, and stops when the button is pressed again.

3Set Temperature Button

Used to set the temperature when the desired temperature is obtained.

4FAN Operation Button

Used to circulate room air without cooling or heating.

5Fan Speed & Jet Cool Button

Used to set the desired fan speed and select Jet cool mode.

6Operation Mode Selection Button

Used to select the operation mode.

•Cooling Operation Mode

•Soft Dry Operation Mode

•Heating Operation Mode(except cooling model)

•Auto Operation Mode

7Auto Swing Button

Used to swing up and down.

9 Plasma Air Clean Button (optional)

10Timer Cancel Button

Used to cancel the timer.

11Timer Set Button

Used to set the timer when the desired time is obtained.

12Week Button

Used to set a day of the week.

13Program Button

Used to set the weekly timer.

14Holiday Button

Used to set a holiday of the week.

15Time Set Button

Used to set the time of the day and change the time in the weekly timer Function.

16Set and Clear Button

Used to set and clear the weekly timer.

17Swirl Button

Used to select swirl mode.

18Reset Button

Used to set the current time and clear the setting time.

8Room Temperature Checking Button

Used to check the room temperature.

Display temperature can be different from actual room temperature if the remote controller is installed at the place where sun-rays are falling directly or the place nearby heat source.

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Wireless Remote Controller (optional)

This air-conditioner is equipped with wired remote controller basically. But if you want to be available with wireless remote controller, you pay for it.

	Signal transmitter
(Transmits the signals to the signal receptor)
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	12	2
	13
	ON	OFF
	4	8
	5	9
	SET	CANCEL
	6	10
Heat Pump	14	PLASMA
		15
Model		11
Cooling Model
		Flip-up door
		(opened)

1OPERATION DISPLAY

Displays the operation conditions.

2ON/OFF BUTTON

Operation starts when this button is pressed and stops when the button is pressed again.

3JET COOL BUTTON

Used to select jet cool mode.

4ON/OFF TIMER BUTTONS

Used to set the time of starting and stopping operation.

5TIME SETTING BUTTONS

Used to adjust the time.

6TIMER SET/CANCEL BUTTONS

Used to set the timer when the desired time is obtained and to cancel the Timer operation.

7AUTO SWING BUTTON

Used to swing up and down.

8SLEEP MODE BUTTON

Used to set Sleep Mode operation.

9AIR CIRCULATION BUTTON

Used to circulate the room air without cooling or heating (turns indoor fan on/off).

10ROOM TEMPERATURE CHECKING BUTTON

Used to check the room temperature.

11RESET BUTTON

Used prior to resetting time or after replacing batteries.

12INDOOR FAN SPEED SELECTOR

Used to select fan speed in four steps-low, medium, high, or auto.

13ROOM TEMPERATURE SETTING BUTTONS

Used to select the room temperature.

14OPERATION MODE SELECTION BUTTON

Used to select the operation mode.

15PLASMA AIR CLEAN BUTTON(OPTIONAL)

The wireless remote controller do not operate the swirl mode.

CAUTION

of handling the wireless remote controller

•Aim at the signal receptor on the air conditioner so as to operate.

•The remote control signal can be received at a distance of up to about 7m.

•Be sure that there are no obstructions between the remote controller and the signal receptor.

•Do not drop or throw the remote controller.

•Do not place the remote controller in a location exposed to direct sunlight, or near the heating unit, or any other heat source.

•Block a strong light over the signal receptor with a curtain or etc. so as to prevent the abnormal operation. (ex:electronic quick start, ELBA, inverter type fluorescent lamp)

6

Set the Current Time and a day of the Week

1	Press the ' ' button.
	Hour

Each time the button is pressed, the number is changed from 00 to 23. You can set the number of the current hour.

AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION

Time

2	Press the ' ' button.
	Min

Each time the button is pressed, the number is increased from 00 to 59. You can set the number of the current minute.

AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION

Time

3 Press 'Week ' button.

Each time the button is pressed, a day of the week is shifted from sunday to saturday. You can set the day of the week.

Week	AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION
	Time

4 Press the ' RESET ' button.

If you want to reset the current time and a day of the week, click the Reset button.

AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION

RESET

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Weekly Program Setting

Press the Program button.
1 The remote controller is displayed like below. Then 'Program set			', '				' and '01' is blinked.
Program	AUTO SWING	OPERATION			SET TEMP			FAN SPEED			SUB FUNCTION
					Program set
	Time 01	03	05	07	09	11	13	15	17	19	21	23
Week
Press the '	' button.
2 Select the Monday.
Week	AUTO SWING	OPERATION			SET TEMP			FAN SPEED			SUB FUNCTION
					Program set
	Time 01	03	05	07	09	11	13	15	17	19	21	23

3 Change the timer setting until the desired time is set. After you select a time, push the SET/CLR button once or one more time.

For Example if the air-conditioner is turned on from

6 to 8 and from 13 to 22 and turned off at other time monday, display is as follows. (black bar indicates turn-on, white bar indicates turn-off.)

If you follow the above procedure, you can set timer for turning or and off in all of the week.

SET/CLR

AUTO SWING		OPERATION			SET TEMP			FAN SPEED			SUB FUNCTION
Time	01	03	05	07	09	11	13	15	17	19	21	23

4 If you don't set the weekly program again after setting the weekly program, it is same the previous setting. If you want to keep the weekly program for only a week follow the next procedure.

Press the "CANCEL" button and "SET/CLR" button simultaneously. Then the display will be toggled like befor.

AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION		AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION

Detach your finger from buttons at the moment that it is displayed the figure. Then the weekly program is kept for only one week.

8

Holiday Setting

If Tuesday is a holiday in this week, you may set a holiday.

Program
Press the Program button.
Week
Press the Week button.
Select the Tuesday.
Holiday
Press the Holiday button.
Then the remote controller will be displayed '	'.
The outside rectangular means holiday.

You cannot set the weekly program for a holiday.

AUTO SWING		OPERATION			SET TEMP				FAN SPEED			SUB FUNCTION
					Program set
Time	01	03	05	07	09	11		13	15	17	19	21	23
AUTO SWING		OPERATION			SET TEMP				FAN SPEED			SUB FUNCTION
					Program set
Time	01	03	05	07	09	11		13	15	17	19	21	23
AUTO SWING		OPERATION			SET TEMP				FAN SPEED			SUB FUNCTION
Time	01	03	05	07	09	11		13	15	17	19	21	23

Timer Setting (Delay start/Pre-set stop)

This function is used to turn on or turn off after several hours.

Cancel

Press the Timer button to turn Timer on or off.

Change the timer setting until the desired time is set.

Cancel

If you want to cancel the timer setting, press the Cancel button.

• When the air conditioner is turned off, the air conditioner	AUTO SWING	OPERATION			SET TEMP			FAN SPEED			SUB FUNCTION
is turned on after 8 hours.
	Timer
	On
	Time 01	03	05	07	09	11	13	15	17	19	21	23

• When the air conditioner is turned on, the air conditioner	AUTO SWING	OPERATION			SET TEMP			FAN SPEED			SUB FUNCTION
is turned off after 5 hours.
	Timer
	Off
	Time 01	03	05	07	09	11	13	15	17	19	21	23

Self-diagnosis Function

' CH' will flash in the remote controller display when a problem occurs.

Then please contact your dealer.

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