LG ATNQ48GMLE7 Owner’s Manual

OWNER’S MANUAL

AIR CONDITIONER

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Please read this manual carefully before operating your set and retain it for future reference.

Ceiling Cassette
ATNQ18GPLE7		ATNQ30GNLE7		ATNQ36GNLE7
ATNQ24GPLE7				ATNQ48GMLE7
I.15.LEI8.02016.0319		I.15.LEI2.02225.0519		I.15.LEI7.01614.0319

*MFL67798208*	www.lg.com
Rev. : 00(07T19)	Copyright © 2019 LG Electronics Inc. All Rights Reserved.

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2	TIPS FOR SAVING ENERGY

TIPS FOR SAVING ENERGY

Here are some tips that will help you minimize the power consumption when you use the air conditioner. You can use your air conditioner more efficiently by referring to the instructions below:

•Do not cool excessively indoors. This may be harmful for your health and may consume more electricity.

•Block sunlight with blinds or curtains while you are operating the air conditioner.

•Keep doors or windows closed tightly while you are operating the air conditioner.

•Adjust the direction of the air flow vertically or horizontally to circulate indoor air.

•Speed up the fan to cool or warm indoor air quickly, in a short period of time.

•Open windows regularly for ventilation as the indoor air quality may deteriorate if the air conditioner is used for many hours.

•Clean the air filter once every 2 weeks. Dust and impurities collected in the air filter may block the air flow or weaken the cooling / dehumidifying functions.

For your records

Staple your receipt to this page in case you need it to prove the date of purchase or for warranty purposes. Write the model number and the serial number here:

Model number :

Serial number :

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

Dealer’s name :

Date of purchase :

IMPORTANT SAFETY INSTRUCTIONS	3

IMPORTANT SAFETY INSTRUCTIONS

READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE.

Always comply with the following precautions to avoid dangerous situations and ensure peak performance of your product

! WARNING

It can result in serious injury or death when the directions are ignored

! CAUTION

It can result in minor injury or product damage when the directions are ignored

! WARNING

•Installation or repairs made by unqualified persons can result in hazards to you and others.

•Installation MUST comply with local building codes.

If there is no local codes, comply with the Nation Electrical Code NFPA 70/ANSI C1-1003, Canadian Electrical Code Part1 CSA C.22.1. or current edition.

•The information contained in the manual is intended for use by a qualified service technician familiar with safety procedures and equipped with the proper tools and test instruments.

•Failure to carefully read and follow all instructions in this manual can result in equipment malfunction, property damage, personal injury and/or death.

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.

•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.

•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.

•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 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.

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4	IMPORTANT SAFETY INSTRUCTIONS

Operation

•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. There is risk of fire or electric shock.

•Do not touch(operate) the product with wet hands. There is risk of fire or electric 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. There is risk of fire, failure of the product, or electric shock.

•Do not store or use flammable gas or combustibles near the product. There is risk of fire or failure of product.

•Do not use the product in a tightly closed space for a long time. Oxygen deficiency could occur.

•When flammable gas leaks, turn off the gas and open a window for ventilation before turning 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 smell or smoke comes from product. Turn the breaker off or disconnect the power supply cable. There is risk of electric shock or fire.

•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.

•Do not open the inlet grill of the product during operation.(Do not touch the electrostatic filter, if the unit is so equipped.) There is risk of physical injury, electric shock, or product failure.

•When the product is soaked (flooded or submerged), contact an Authorized Service Center. There is risk of fire or electric shock.

•Be cautious that water should not enter the product. There is risk of fire, electric shock, or product damage.

•Ventilate the product from time to time when operating it together with a stove, etc. There is risk of fire or electric shock.

•Turn the main power off when cleaning or maintaining the product. There is risk of electric shock.

•When the product is not to 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.

•Take care to ensure that nobody should step on or fall onto the outdoor unit. This could result in personal injury and product damage.

! CAUTION

Installation

•Always check for gas (refrigerant) leakage after installation 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.

IMPORTANT SAFETY INSTRUCTIONS		5
• Do not install the product where it will be exposed to sea wind (salt spray) directly. It may		<![if ! IE]> <![endif]>ENGLISH
cause corrosion on the product. Corrosion, particularly on the condenser and evaporator fins,
could cause product malfunction or inefficient operation.

Operation

•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 air conditioner, not a precision refrigeration system. There is risk of damage or loss of property.

•Do not block the inlet or outlet of air flow. It may cause product failure.

•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.

•Do not touch the metal parts of the product when removing the air filter. They are very sharp! There is risk of personal injury.

•Do not step on or put anything on the product. (outdoor units) There is risk of personal injury and failure of product.

•Always insert the filter securely. Clean the filter every two weeks or more often if necessary. A dirty filter reduces the efficiency of the air conditioner and could cause product malfunction or damage.

•Do not insert hands or other objects through the air inlet or outlet while the product is in operation. There are sharp and moving parts that could cause personal injury.

•Do not drink the water drained from the product. It is not sanitary and could cause serious health issues.

•Use a firm stool or ladder when cleaning or maintaining the product. Be careful and avoid personal injury.

•Replace all the batteries in the remote control with new ones of the same type. Do not mix old and new batteries or different types of batteries. There is risk of fire or explosion

•Do not recharge or disassemble the batteries. Do not dispose of batteries in the fire. They may burn or explode.

•If the liquid from the batteries gets onto your skin or clothes, wash it well with clean water. Do not use the remote if the batteries have leaked. The chemicals in batteries could cause burns or other health hazards.

•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.

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6	TABLE OF CONTENTS

TABLE OF CONTENTS

	2	TIPS FOR SAVING EN-	14		OWNER'S INSTRUC-
		ERGY			TION
	3	IMPORTANT SAFETY IN-	14		Cooling Mode -Standard Operation
			14		Cooling Mode - Power Cooling
		STRUCTIONS
			15		Auto Operation Mode
	7	BEFORE USE
			16		Dehumidification Mode
	7	Preparing for operation	17		Fan Mode
			18		Temperature Setting/Room Tempera-
	7	Usage
					ture checking
	7	Cleaning and maintenance	19		Airflow setting
	7	Service	19		Celsius/fahrenheit switching
	8	PRODUCT INTRODUC-	20		Plasma Purification(Optional)
			21		Individual vane angle control
		TION
			22		Timer

8Name and function of parts

	9	Operation Indication Lamps	23		MAINTENANCE AND
	10	Wireless Remote Controller			SERVICE
	12	OPERATING INSTRUC-	23		Indoor Unit
			24		Purifying filter(Optional)
		TION
			25		Operation tips!
	12	How to insert the Batteries
				26 Troubleshooting Tips! Save time and
	12	Wireless Remote Controller Mainte-
					money!
		nance	26		Call the service immediately in the fol-
	13
		INSTALLATION IN-			lowing situations

STRUCTIONS

13Installer Setting - Setting Address of Central Control

13Installer Setting - Checking Address of Central Control

BEFORE USE	7

BEFORE USE

Preparing for operation

-Contact an installation specialist for installation.

-Use a dedicated circuit.

Usage

-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.

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

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

Cleaning and maintenance

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

-Do not use water to clean inside the air conditioner. Exposure to water can destroy the insulation, leading to possible electric shock.

-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.

Service

For repair and maintenance, contact your authorized service dealer.

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8 PRODUCT INTRODUCTION

PRODUCT INTRODUCTION

Name and function of parts

6	7
5
	2
1
4

8

1 Indoor unit

2 Outdoor unit

3 Remote controller

4 Inlet air

5 Discharge air

6 Refrigerant piping, connection electric wire

7 Drain pipe

8Ground wire

Wire to ground outdoor unit to prevent electrical shocks.

PRODUCT INTRODUCTION 9

Operation Indicator Lamp

Lamp

Forced operation Switch

Description	Lamp Color
Cooling mode	Green
Heating mode	Green
Time to clean filter in cooling/heating Mode	Yellowish Green
Time to clean filter when product is not operating	Orange
Hot start or defrost mode before starting heating mode	Green
When reservation set on	Yellowish Green
*Cooling only model not support to Heating, Hot start, Defrost mode.

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10 PRODUCT INTRODUCTION

Wireless Remote Controller

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

			1	VANE ANGLE button
				Used to set each vane angle.
			2	FUNCTION SETTING button (Optional)
				Used to set or clear auto clean, smart clean.
			3	ON/OFF button
				Used to turn on/off the unit.
	1		4	JET COOL button
				Speed cooling operates super high fan speed.
	2	10
			5	LEFT/RIGHT AIRFLOW button (Useless)
		11
				Used to set the desired left/right(horizontal)
	3	12
				airflow direction.
	4	13	6	UP/DOWN AIRFLOW button
				Used to stop or start louver movement and
	5	14		set the desired up/down airflow direction.
	6		7	ON TIMER button
	7	15		Used to set the time of starting operation.
	8		8	SLEEP TIMER button
		16		Used to set the time of sleeping operation.
	9	17		(Refer to timer setting)
			9	SET / CLEAR button
				Used to SET / CLEAR the timer.
				Used to set the current time (if it input for 3
				seconds).

Operation Mode

Cooling Mode

Auto Operation Mode

Dehumidification Mode

Fan Mode

10PLASMA button (Optional)

Used to start or stop the plasma-purification function.

11ROOM TEMPERATURE SETTING button Used to select the room temperature.

12OPERATION MODE SELECTION button Used to select the operation mode.

13INDOOR FAN SPEED SELECTION button Used to select fan speed in four steps low, medium, high and auto.

14ROOM TEMPERATURE CHECKING button Used to check the room temperature.

15OFF TIMER button

Used to set the time of stopping operation.

16TIMER SETTING(Up/Down)/LIGHT button Used to set the timer.

17RESET button

Used to reset the remote controller.

! CAUTION

Caution of handling the Remote Controller

-Aim at the signal receiver on the wired remote controller so as to operate.

-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)

!NOTE

-The wireless remote controller do not operate the swirl mode.

-The actual product can be different from above contents depending upon model type.

PRODUCT INTRODUCTION 11

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12 OPERATING INSTRUCTION

OPERATING INSTRUCTION

How to insert the Batteries

Remove the battery cover by pulling it according to the arrow direction.

Insert new batteries making sure that the (+) and (-) of battery are installed correctly.

Reattach the cover by sliding it back into position.

! NOTE

-Always use/replace both batteries of same type.

-If the system is not to be used for a long time, remove the batteries to save their working life.

-If the display screen of remote controller starts, fading replace both of the batteries.

Wireless Remote Controller

Maintenance

Choose a suitable place where its safe & easy to reach.

Fix the holder to wall etc with the supplied screws firmly.

Slide the remote controller inside the holder.

! NOTE

-Remote controller should never be exposed to direct sunlight.

-Signal transmitter & receiver should always be clean for proper communication. Use a soft cloth to clean them.

-In case some other appliances also get operated with remote control, change their position or consult your serviceman.

INSTALLATION INSTRUCTIONS 13

INSTALLATION INSTRUCTIONS

Installer Setting - Setting Address of Central Control

1 With the MODE button pressed, press the RESET button.

2 By using the temperature setting button, set the indoor unit address.

• Setting range : 00 ~ FF

3 After setting the address, press the ON/OFF button toward the indoor unit 1 time.

4 The indoor unit will display the set address to complete the address setting.

- The address display time and method can differ by the indoor uint type.

5 Reset the remote controller to use the general operation mode.

RESET button

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Installer Setting - Checking Address of Central Control

1 With the FUNC. button pressed, press the RESET button.

2Press the ON/OFF button toward the indoor unit 1 time, and the indoor unit will display the set address in the display window.

- The address display time and method can differ by the indoor unit type.

3 Reset the remote controller to use the general operation mode.

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14 OWNER'S INSTRUCTION

OWNER'S INSTRUCTION

Cooling Mode -

Cooling Mode - Power Cooling

Standard Operation

1	Press the ON/OFF button.	1	Press the ON/OFF button.
	The unit will respond with beep sound.		The unit will respond with beep sound.
2	Press MODE button to select Cooling	2	Press MODE button to select Cooling
	Mode.		Mode.
3	Set the desired temperature by pressing	3	Press the JET COOL button. The unit will
	TEMP button.		operate in super high fan speed in cooling
	Press ROOM TEMP button to check the		mode.
	room temperature. When setting the de-	4	To cancel the Power Cooling Mode press
	sired temperature is higher than room tem-		the JET COOL or FAN SPEED or TEMP.

	perature, cooling wind isn’t blow out.	again and the unit will operate in high fan
	- Setting Temp. Range : 18~30 °C(64~86 °F)
		speed in Cooling Mode.

OWNER'S INSTRUCTION 15

Auto Operation Mode

Please select the code depend on your feeling.

											Code	Feel
											2	Cold
											1	Slightly cool
											0	Neutral
											-1	Slightly warm
											-2	Warm

During Auto Operation Mode

- If the system is not operating as desired, manually switch to another mode. The system will not automatically switch from the cooling mode to the heating mode, or from heating to cooling, then you must set the mode and the desired temperature again.

1Press the ON/OFF button.

The unit will respond with beep sound.

2Press MODE button to select Auto Operation Mode.

3Set the desired temperature.

The temperature and fan speed are automatically set by the electronic controls based on the actual room temperature. If you feel hot or cold, press TEMP. buttons for more cooling or heating effect.

You cannot switch the indoor fan speed. It has already been set by the Auto Operation Mode rule.

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16 OWNER'S INSTRUCTION

Dehumidification Mode

1Press the ON/OFF button.

The unit will respond with beep sound.

2Press MODE button to select Dehumidification Mode.

3Set the fan speed. You can select the fan speed in four steps - low, medium, high, or auto. Each time the button is pressed, the fan speed mode is shifted.

During Dehumidification Mode

-If you select the dehumidification mode on the operation selection button, the indoor unit starts to run the dehumidification function, automatically setting the room temp. and air volume to the best condition for dehumidification based on the sensed room temp.

In this case, the setting temp. is not displayed in the Remote Controller and you are not able to control the room temp. either.

-During the healthy dehumidification function, the air volume is automatically set according to the algorithm responding to the current room temp. and makes the room condition healthy and comfortable even in the high humidity season.

OWNER'S INSTRUCTION 17

Fan Mode

1Press the ON/OFF button.

The unit will respond with beep sound.

2 Press MODE button to select Fan Mode.

3Set the fan speed. You can select the fan speed in four steps - low, medium, high, or auto. Each time the button is pressed, the fan speed mode is shifted.

Natural Wind by the auto Logic

-For more fresh feeling than other fan speed, press the Indoor Fan Speed Selector and set to auto mode. In this mode, the wind blows like natural breeze by automatically changing fan speed according to the auto logic.

During Fan Mode

-The outdoor compressor doesn't work. Have a function to circulate the indoor as it sends out the air that doesn't have much temperature difference with indoor.

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18 OWNER'S INSTRUCTION

Temperature Setting/Room Temperature checking

We can simply adjust the desired temperature

- Press the buttons to adjust the desired temperature

: Increase 1 °C or 1 °F per one time pressing

: Decrease 1 °C or 1 °F per one time pressing

Room temp: Indicate the current room temperature

Set temp: Indicate the temperature that user want to set

The cooling mode doesn't work if desired temperature is higher than room temperature.

Please lower the desired temperature.

Whenever press button, the room temperature will be displayed within 5 seconds.

After 5 seconds, it turns to display the desired temperature.

Because of location of remote controller, the real room temperature and the this displayed value can be different.

OWNER'S INSTRUCTION 19

Airflow setting

Up/down airflow direction control

The SWING (up/down) airflow can be adjusted by using the remote controller.

1 Press the ON/OFF button to start the unit.

2 Press SWING (up/down) airflow button and the louvers will swing up and down.

! NOTE

- Always use the remote controller to adjust the up/down airflow direction. Manually moving the direction louver by hand, could damage the air conditioner.

Celsius/fahrenheit switching

- Press the ROOM TEMP button (5 seconds) to change from celsius to fahrenheit or from fahrenheit to celsius.

- Whenever press TEMP. button in fahrenheit mode, the temperature

will increase/drop 1 °F.

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20 OWNER'S INSTRUCTION

Plasma Purification(Optional)

1Press the ON/OFF button.

The unit will respond with beep sound.

2Press the PLASMA button. Plasma Purification will start when the button is pressed and stop when the button is pressed again.

If you press the PLASMA button, Plasma Purification operates.

-Plasma filter is a technology developed by LG to get rid of microscopic contaminants in the intake air generating a plasma of high charge electrons. This plasma kills and destroys the contaminants completely to provide clean and hygienic air.

-This function can be used in any operation mode and any fan speed can be used while plasma filter is functioning.

OWNER'S INSTRUCTION 21

Individual vane angle control

It is the function that can control 4 vane angles individually in the ceiling type 4Way cassette product group.

1Press the VANE ANGLE button. Individual vane angle control symbol will blink.

-If you press the VANE ANGLE button for 3 seconds in that time, all vanes are set to standard angle.

2Set each vane angle by pressing the VANE ANGLE button.

-Every time the button is pressed, corresponding vane angle and set values are displayed.

-When up direction button is pressed, the display window appears as of the figure in the right, and the angle can be set to 1~6.

3Press SET/CLEAR button to reserve or cancel the individual vane angle control function.

-There may be differences between wireless remote controller up/down/left/right buttons and the wind discharge port directions.

-Set desired angle with checking the vane angle movement of the product.

-The individual vane control function is an additional function of a product, and it may not work in some products.

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22 OWNER'S INSTRUCTION

Timer

Setting the Current Time

1 Press the SET/CLEAR button for 3 seconds.

2 Press TIME SETTING buttons until the desired time is set.

3 Press the SET / CLEAR button.

! NOTE

Check the indicator for A.M. and P.M.

Timer Setting

1 Press the TIMER button to turn timer on or off.

2 Press TIME SETTING buttons until the desired time is set.

3 Press the SET / CLEAR button.

! NOTE

Select one of the following 3 types of operation.

Timer Sleep

Timer ON

Timer OFF

To cancel the Timer Setting

-If you wish to cancel all timer setting, press the SET/CLEAR button.

-If you wish to cancel each timer setting, press the TIMER button to turn timer sleep or on or off as you want.

And then press the SET/CLEAR button aiming the remote controller at the signal receptor. (The timer lamp on the air conditioner and the display will go off.)

MAINTENANCE AND SERVICE 23

MAINTENANCE AND SERVICE

Indoor Unit

Grille, Case and Remote Control

-Turn the system off before cleanining, To clean, wipe with a soft, dry cloth. Do not use bleach or abrasives.

! NOTE

Supply power must be disconnected before cleaning the indoor unit.

Air Filters

The air filters behind the front grille should be checked and cleaned once every 2 weeks or more often if neccessary.

-Never use any of the followings:

Water hotter than 40 °C.

Could cause deformation and/or discoloration.

Volatile substances.

Could damage the surfaces of the air conditioner.

-Remove the Air filters.

Take hold of the tab and pull slightly forward to remove the filter.

! CAUTION

When the air filter is to be removed, do not touch the metal parts of the indoor unit.

It may cause an injury.

-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.

If hot water (40 °C or more) is used, it may be deformed.

-After washing with water, dry well in the shade.

Do not expose the air filter to direct sunlight or heat from a fire when drying it.

-Install the air filter.

	SI
	NNER	SCOURIN
Benzene		CL	BARGE

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24 MAINTENANCE AND SERVICE

Purifying filter(Optional)

- Open front panel and remove air filter.

Cleaning

The PLASMA filter behind the air filters should be checked and cleaned once every 3 months or more often if necessary.

-After removing the air filters, pull slightly forward to remove the PLASMA filter.

-Dip the PLASMA filter into the water mixed with neutral detergent, for 20~30 minutes.

Remove air purifying filter.

Insert new air purifying filter.

2

- Dry the PLASMA filter in the shade for a day (Especially, the humidity must be removed perfectly on this parts).

- Reinsert air filter and close front panel.

-Note the cuts of electric discharge lines.

-Re-install the PLASMA filter to the original position.

! CAUTION

When the air filter is to be removed, do not touch the metal parts of the indoor unit.

It may cause an injury.

Replacement

The PLASMA filter behind the air filters should be checked and cleaned once every 3 months or more often if necessary.

MAINTENANCE AND SERVICE 25

Operation tips!

Do not overcool the room.	Keep blinds or curtains closed.	Keep the room temperature
This is not good for the health	Do not let direct sunshine	uniform.
and wastes electricity.	enter the room when the air	Adjust the vertical airflow di-
	conditioner is in operation.	rection to ensure a uniform
		temperature in the room.
Make sure that the doors	Clean the air filter regularly.	Ventilate the room occasion-
and windows are shut tight.	Blockages in the air filter re-	ally.
Avoid opening doors and win-	duce the airflow and lower	Since windows are kept
dows as much as possible to	cooling and dehumidifying ef-	closed, it is a good idea to
keep the cool air in the room.	fects. Clean at least once	open them and ventilate the
	every two weeks.	room now and then.

When air conditioner is not going to be used for a long time.

-Operate the air conditioner at the following settings for 2 to 3 hours.

Type of operation: Fan operation mode.(refer fan mode)

This will dry out the internal mechanisms.

- Turn off the breaker.

! CAUTION

Turn off the breaker when the air conditioner is not going to be used for a long time.

Dirt may collect and may cause a fire.

-Remove the batteries from the remote controller.

Helpful information

The air filters and your electiric bill.

If the air filters become clogged with dust, the cooling capacity will drop, and 6 % of the electricity used to operate the air conditioner will be wasted.

When the air conditioner is to be used again.

-Clean the air filter and install it in the indoor unit. (refer air filters)

-Check that the air inlet and outlet of the indoor/outdoor unit are not blocked.

-Check that the ground wire is connected correctly. It may be connect to the indoor unit side.

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26 MAINTENANCE AND SERVICE

Troubleshooting Tips! Save time and money!

Check the following points before requesting repairs or service.... If the malfunction persist, please contact your dealer.

	The air conditioner	The room has a pecu-	It seems that conden-	Air conditioner does
	does not operate.	liar odor.	sation is leaking from	not operate for about
	- Have you made a	- Check that this is not	the air conditioner.	3 minutes when
	mistake in timer op-	a damp smell ex-	- Condensation occurs	restart.
	eration?	uded by the walls,	when the airflow	- This is the protector
	- Has the fuse blown	carpet, furniture or	from the air condi-	of the mechanism.
		cloth items in the	tioner cools the
	or has the circuit			- Wait about three
		room.	warm room air.
	breaker been			minutes and opera-
	tripped?			tion will begin.
	Does not cool or heat	The air conditioner op-	Crack sound is heard.	Remote control dis-
	effectively.	eration is noisy.	- This sound is gener-	play is faint, or no dis-
				play at all.
	- Is the air filter dirty?	- For a noise that	ated by the expan-
	See air filter cleaning	sounds like water	sion/ constriction of	- Are the batteries de-
	instructions.	flowing.	the front panel, etc.	pleted?
	- The room may have	* This is the sound	due to changes of	- Are the batteries in-
			temperature.
	been very hot when	of freon flowing in-		serted in the oppo-
	the room air condi-	side the air condi-		site (+) and (-)
	tioner was first	tioner unit.		directions?
	turned on. Allow	- For a noise that
	time for it to cool		Filter sign lamp (LED)
		sounds like the com-
	down.	pressed air releasing	is ON.
	- Has the temperature	into atmosphere.	- Cleaning the filter,
	been set incorrectly?	- This is the sound of	press the Timer but-
	- Are the indoor unit's	the dehumidifying	ton and button of
	air inlet or outlet	water being	wired remote con-
	vents obstructed?	processed inside the	troller at the same
		air conditioning unit.	time for 3 sec.

Call the service immediately in the following situations

-Anything abnormal such as burning smell, loud noise etc. happen. Stop the unit and turn the breaker off. Never try to repair by yourself or restart the system in such cases.

-Main power cord is too hot or damaged.

-Error code is generated by self diagnosis.

-Water leaks from indoor unit even if the humidity is low.

-Any switch, breaker (safety, earth) or fuse fails to work properly

User must carry routine checkup & cleaning to avoid unit’s poor performance. In case of special situation, the job must be carried out by service person only.