LG LSN120HEV1 Owner's Manual

			TABLE OF CONTENTS		7
	TABLE OF CONTENTS
	2 TIPS FOR SAVING		14 ADVANCED FUNCTIONS
	ENERGY		Changing room temperature quickly
			Clean operation
			Changeover operation
			saving cooling mode
			screen brightness
			the air conditioner without
OWNER’S MANUAL			remote control
			the air conditioner

AIR MAINTENANCE

CONDITIONER not in use

the air filter

TROUBLESHOOTING

diagnosis function requesting service

12 Adjusting the fan speed

12 Adjusting the air flow direction

Please12 Usingreadthethis1 Touchmanualsoft air carefully before operating your13 setSe tingandtheretaintimer it for future reference.

TYPE : WALL MOUNTED

Applied Models :

LSN090HEV1 / LSU090HEV1

LSN120HEV1 / LSU120HEV1

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http://www.lghvac.com

P/NO : MFL68802404

www.lg.com

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TIPS FOR SAVING ENERGY

TABLE OF CONTENTS

7

TABLETIPS FORF CONTENTSSAVING ENERGY

Here are some tips that will help you minimize power consumption when you use your air
2	TIPS FOR SAVING	14	ADVANCED FUNCTIONS
conditioner.
	ENERGY	14	Changing room temperature quickly

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

3 • 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 indoor air quickly.
	8		• Open windows regularly for ventilation as the indoor air quality may deteriorate if the air con-
					ditioner is used for many hours.
			• Clean the air filter once every 2 weeks. Dust and impurities collected in the air filter may
	8 block the air flow or weaken the cooling / dehumidifying functions.
	8				Operation ranges
	9				Using the remote control			17	MAINTENANCE
	10				Inserting batteries
								17	When not in use
	10				Setting the current time
								19	Cleaning the air filter
	10				°C/°F Conversion
	11				BASIC FUNCTIONS			20	TROUBLESHOOTING
								20	Self-diagnosis function
	11				Cooling your room
								20	Before requesting service
	11				Heating your room
	11				Removing humidity
	12				Airing your room
	12				Adjusting the fan speed
	12				Adjusting the air flow direction
	12				Using the 1 Touch soft air
	13				Setting the timer
				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 :

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! WARNINGBEFORE USE

IMPORTANT SAFETYTABLEINSTRUCTIONOF CONTENTS 37

TABLEIMPORTANTOF CONTENTSSAFETY INSTRUCTIONS

READ ALL INSTRUCTIONS		BEFORE USING THE APPLIANCE.
2	TIPS FOR SAVING	14 ADVANCED FUNCTIONS

	Always comply with the following precautions to			avoid dangerous situations and to ensure peak
		ENERGY	14		Changing room temperature quickly
	performance of your product.
	!	WARNING	14		Auto Clean operation
			15		Auto Changeover operation
	3	IMPORTANT SAFETY
	It can result in serious injury or death when the directions are ignored.
		INSTRUCTIONS	15		Energy saving cooling mode
	!
		CAUTION	15		Display screen brightness

It can result in minor injury or product damage when16the directionsOperatingaretheignoredair conditioner. without the remote control

16 Restarting the air conditioner

8 • Installation or repairs made by unqualified persons canautomaticallyresult in hazards to you and others.

Components

• Installation MUST conform with local building codes or, in the absence of local codes, with

8 Operation ranges

the National Electrical Code NFPA 70/ANSI C1-1003 or current edition and Canadian Electrical

9	Code Part1 CSA C.22.1.	17	MAINTENANCE
	Using the remote control
• The information contained in the manual is intended for use by a qualified service technician
10	Inserting batteries
	familiar with safety procedures and equipped with the proper tools and test instruments.
		17	When not in use
10• FailureSettingto readtheandcurrentfollowtimeall instructions in this manual can result in equipment malfunction,
10	property damage, personal injury and/or death. 19		Cleaning the air filter
	°C/°F Conversion

Power

• Unplug the power plug immediately in the event20of a blackoutTROUBLESHOOTINGor thunderstorm. Failure to do 11so mayBASICresult inFUNCTIONSfire or electric shock.

• Always use a power plug and socket with a ground20 terminalSelf-diagnosis. Failure tofunctiondo so may result in

11 Cooling your room

electric shock or product failure.

20 Before requesting service

11• InstallHeatingdedicatedyour roomelectric outlet and circuit breaker before you use the air conditioner.

Failure to do so may result in electric shock or product failure.

11 Removing humidity

• Do not connect the ground wire to a gas pipe, a lightning rod or a telephone ground wire. It 12 mayAiringresultyourin electricroom shock or product failure.

12• UseAdjustinga standardthecircuitfan speedbreaker and fuse conforming with the rating of the air conditioner.

Failure to do so may result in electric shock or product failure.

12 Adjusting the air flow direction

• Make sure to check that the power cable plug is not dirty, loose or broken and then only 12 insertUsingthe plugthe 1completelyTouch soft.airIt may result in electric shock or product failure.

13• Do notSettingmodifytheortimerextend the power cable. Scratches or peeling insulation on power cables or cords may result in fire or electric shock, and should be replaced.

•Don’t use a power cord, a plug or a loose socket which is damaged. It may result in fire or electric shock.

•Do not use a damaged power cord or plug. It may result in electric shock or product failure.

•Do not touch, operate or repair the air conditioner with wet hands. It may result in electric shock or product failure.

•Make sure that the power plug is not damaged when you move the air conditioner. Failure to do so may result in electric shock or product failure.

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IMPORTANT SAFETY INSTRUCTIONS

TABLE OF CONTENTS

7

READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE.
TABLE OF CONTENTS
	• Do not place a heater or other heating appliances near the power cable. It may result in fire,
2	electric shock, or product failure.		14		ADVANCED FUNCTIONS
	TIPS FOR SAVING
	• Make sure that the power cord is not pulled or damaged while the air conditioner is operat-
	ing. Failure to do so may result in fire, electric shock, or product failure.
	ENERGY		14		Changing room temperature quickly
	• Do not place any objects on the power cord. It may result in electric shock or product failure.
			14		Auto Clean operation
Installation			15		Auto Changeover operation
3	• DoIMPORTANTnot install the air conditionerSAFETYon an unstable surface or where there may be a danger of it
			15		Energy saving cooling mode
	falling. It may result in death, serious injury, or product failure.
	INSTRUCTIONS
	• Contact an authorized service center when	you install15		or Displayrelocatescreenthe air brightnessconditioner. Failure to do
	so may result in serious injury or product failure. 16				Operating the air conditioner without
	• Indoor/outdoor wiring connections must be secured tightly, and the cable should be routed properly
8					the remote control
	so that there is no force pulling the cable from the connection terminals. Improper or loose connec-
	BEFORE USE		16		Restarting the air conditioner
	tions can cause heat generation or fire.
8					automatically
	• InstallComponentsthe panel and the cover of the control box safely. Failure to do so may result in explosion or
8	fire.
	Operation ranges
9	• Do not install the air conditioner where flammable liquids or gases such as gasoline, propane, paint
	Using the remote control				MAINTENANCE
	thinner, etc. are stored. It may result in explosion or fire.
			17

10	• MakeInsertingsure thatbatterieshe pipe and the power cable that connect the indoor unit and the outdoor unit are
10		not pulled tight when you install the air conditioner17. FailureWhento donotsoinmayuseresult in electric shock or
			Setting the current time
		product failure.		19		Cleaning the air filter
10
	• Do°C/°Fnot mixConversionair or gas in the system except for the specific refrigerant. If air enters the refrigerant
		system, it may result in an excessively high pressure that causes injury or damage to the equip-
		ment.			20	TROUBLESHOOTING
11			BASIC FUNCTIONS
Use				20		Self-diagnosis function
	•
11		Be sure to use only those parts which are listed in the service parts list. Never attempt to modify
			Cooling your room
		the equipment. It may result in death, serious injury, or product failure.
11	•		Heating your room	20		Before requesting service
		Do not pull the power cord when you remove the power plug. It may result in death or electric
11		shock.
			Removing humidity
12	• Discard the batteries where there is no danger of fire. Failure to do so may result in explosion or
			Airing your room
		fire.
12	• ContactAdjustinga qualifiedthe fanHVACspeedtechnician when the air conditioner is submerged in water due to flood-
12		ing. Failure to do so may result in death, explosion, or fire.
			Adjusting the air flow direction
12	• Only use components that are approved by the manufacturer and do not repair or modify them.
		FailureUsingtothedo so1 Touchmay resultsoft airin electric shock or product failure.
13	• Only use the refrigerant specified on the air conditioner label. Failure to do so may result in explo-
			Setting the timer

sion or fire.

•Do not allow water to run into the air conditioner. It may result in explosion or fire.

•Do not leave flammable substances such as gasoline, benzene and thinner near the air conditioner. It may result in explosion or fire.

•Do not use the air conditioner for an extended period of time in a small place without proper ventilation. It may result in explosion or fire.

•Do not touch the electrostatic filter after opening the front grille. It may result in electric shock or product failure.

•For inner cleaning, contact a qualified HVAC technician or a dealer.

Using harsh detergents may cause corrosion or damage to the unit and may lead to product failure, fire, or electric shock.

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IMPORTANT SAFETYTABLEINSTRUCTIONOF CONTENTS 57

TABLEREAD ALL INSTRUCTIONSOF CONTENTSBEFORE USING THE APPLIANCE.

• Unplug the power plug if there is a noise, smell or smoke coming from the air conditioner.

2	Failure to do so may result in explosion or fire.		14	ADVANCED FUNCTIONS
	TIPS FOR SAVING
• Make sure to ventilate sufficiently when this air conditioner and a heating appliance such as
	a heater are used simultaneously. Failure to do		so may result in fire, serious injury, or product
	ENERGY		14	Changing room temperature quickly
	failure.

14Auto Clean operation

•Make sure that children do not climb on or hit the outdoor unit. Failure to do so may result in

	death or product failure.	15	Auto Changeover operation
3• Do notIMPORTANTturn the air conditionerSAFETYon or off by plugging in or unplugging the power plug. It may
	result in fire or electric shock.	15	Energy saving cooling mode
	INSTRUCTIONS
• If there is a gas or Freon leak, ventilate sufficiently15 beforeDisplayusingscreenthe airbrightnessconditioner again.
	Failure to do so may result in explosion or fire. 16		Operating the air conditioner without
• Using the product for special purposes, such as preserving foods, works of art, etc. may
8	BEFORE USE		the remote control
	result in death, fire, or electric shock. It is a consumer air conditioner, not a precision refriger-
	ation system.	16	Restarting the air conditioner

8	automatically
	• Do notComponentsblock the inlet or outlet of air flow. It may result in explosion or product failure.

8 • Do notOperationinsert hrandsgesor other objects through the air inlet or outlet while the air conditioner is

operating. It may result in electric shock or serious injury.

9 Using the remote control 17 MAINTENANCE

• Do not expose people, animals, or plants to the cold or hot wind from the air conditioner for

	10	Inserting batteries
		prolonged amounts of time. It may result in serious injury.
			17	When not in use
	• Do not drink the water drained from the air conditioner. It may result in serious health com-
	10	Setting the current time
	10	plications.	19	Cleaning the air filter
		°C/°F Conversion

Maintenance

• Turn the main power off and unplug the power20plug whenTROUBLESHOOTINGyou clean or repair the air condi- 11tionerBASIC. Failure toFUNCTIONSdo so may result in death, serious injury, or product failure.

			20	Self-diagnosis function
	11	Cooling your room
			20	Before requesting service
	11!	CAUTIONHeating your room

Installation

11 Removing humidity

• Install the outdoor unit on the north side to prevent the outside unit from being in direct sunlight. 12 Do notAiringplaceyourtheroomindoor unit in direct sunlight from windows. Excessive sunlight may result in prod-

uct failure.

12 Adjusting the fan speed

• Safely dispose of packing materials such as screws, nails or batteries in a packing bag after installa-

12 Adjusting the air flow direction

tion or repair. It may result in serious injury.

12• Do notUsinginstallthethe1 Touchair conditionersoft air where it will be exposed to sea wind (salt spray) directly. It may

result in product failure.

13 Setting the timer

• Install the drain hose properly for smooth drainage of condensed water. Failure to do so may result in product failure.

• Install the air conditioner where the noise from the outdoor unit or the exhaust gas will not inconvenience the neighbors. Failure to do so may result in conflict between neighbors.

• Be cautious when you unpack or install the air conditioner. Failure to do so may result in serious injury or product failure.

• Do not touch the refrigerant leakage during installation or repair. It may result in product failure.

• Transport the air conditioning unit with two or more people or use a forklift. Failure to do so may result in serious injury.

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Cleaning the air filter

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IMPORTANT SAFETY INSTRUCTIONS

TABLE OF CONTENTS

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TUseABLE OF CONTENTS

• Remove the batteries when the remote control is not in use for an extended period of time. Failure to do so may result in product failure.

2 • MakeTIPSsure FORthat theSAVINGfilter is installed before you operate14 theADVANCEDair conditioner. FailureFUNCTIONSto do so may

	result in product failure.
	ENERGY		14	room temperature quickly
	• Unplug the power plug when the air conditioner is not usedChangingfor extended period of time.
	Failure to do so may result in product failure.		14	Auto Clean operation
	• Make sure to check if there is a refrigerant leak after you install or repair the air conditioner.
3	Failure to do so may result in product failure.		15	Auto Changeover operation
	IMPORTANT SAFETY
	• Do not place any objects on the air conditioner. It15may resultEnergyin productsaving coolingfailure. mode
	• If thereINSTRUCTIONSis a refrigerant leak during the installation of the air conditioner, ventilate the area immedi-
			15	Display screen brightness

ately. Failure to do so may result in serious injury or product failure.

		16	Operating the air conditioner without
	• Follow the standards of the corresponding region or country for handling the refrigerant and the air
			the remote control
8	conditioner as well as for disassembling the air conditioner. Failure to do so may result in product
	failure.BEFORE USE	16	Restarting the air conditioner

8• DoComponentsnot mix the batteries for the remote control with otherautomaticallytypes of batteries or mix new batteries with used batteries. It may result in product failure.

8	Operation ranges
	• Do not recharge or disassemble the batteries. It may result in explosion, fire or serious injury.

9• DoUsingnot disposethe remoteof thecontrolbatteries in fire. It may result17in explosionMAINTENANCEor fire.

10• StopInsertingusing thebatteriesremote control if there is a battery fluid leak. If your clothes or skin are exposed to

the battery fluid from a leak, wash it off with clean17waterWhen. Failurenottoindousoe may result in serious

10 Setting the current time injury.

19

10 • If you°C/°FswallowConversionthe battery fluid from a leak, wash out the inside of your mouth thoroughly and then consult a doctor. Failure to do so may result in serious health complications.

• Do not let the air conditioner run for a long time when the humidity is very high or when a door or 11window has been left open. It may result in product20failureTROUBLESHOOTING.

BASIC FUNCTIONS

	• Do not use the product for special purposes,such	as preserving foods, works of art, etc. It is a con		-
		20	Self-diagnosis function
11	sumer air conditioner, not a precision refrigeration system. There is risk of damage or loss of prop-
	Cooling your room
11	erty.	20	Before requesting service
	Heating your room

11MaintenanceR moving humidity

12 • Do not use strong cleaning agents, solvents, or water when you clean the indoor air conditioner, as

Airing your room

these may result in serious injury or product failure. Instead, use a smooth, dry cloth to clean the 12 surfacesAdjustingof thetheindoorfan speedunit and contact a qualified HVAC technician to clean the outdoor unit.

12	• Never touch	metal parts of the air conditioner when you remove the air filter. It may result in
	Adjusting the air flow direction
12	serious injury or product failure.
	Using the 1 Touch soft air
13	• Use a sturdy stool or ladder when you clean, maintain or repair the air conditioner at a height.
	Setting the timer
	Failure to do so may result in serious injury or product failure.

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SAVE THESE INSTUCTIONS

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TABLE OF CONTENTS	7

TABLE OF CONTENTS

2TIPS FOR SAVING ENERGY

3IMPORTANT SAFETY INSTRUCTIONS

BEFORE USE

Components

8Operation ranges

9Using the remote control

10Inserting batteries

10- Installing the remote control holder

10Setting the current time

10°C/°F Conversion

11BASIC FUNCTIONS

11	Cooling your room
11	Heating your room
11	Removing humidity
12	Airing your room
12	Adjusting the fan speed
12	Adjusting the air flow direction
12	Using the 1 Touch soft air
13	Setting the timer
13	- Turning on the air conditioner auto-
	matically at a set time

13- Turning off the air conditioner automatically at a set time

- Canceling the timer setting - Setting sleep mode

14 ADVANCED FUNCTIONS

14Changing room temperature quickly

14Auto Clean operation

15Auto Changeover operation

15Energy saving cooling mode

15Display screen brightness

16Operating the air conditioner without the remote control

16Restarting the air conditioner automatically

17MAINTENANCE

17 When not in use

19Cleaning the air filter

20TROUBLESHOOTING

20 Self-diagnosis function

20 Before requesting service

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BEFORE USE

TABLE OF CONTENTS

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TABLEBEFOREOFUSECONTENTS

Components				Air filter14	Front grille
2	TIPS FOR SAVING				ADVANCED FUNCTIONS
	Indoor unit						ON/OFF button
						room temperature quickly
							operation
3	IMPORTANT				Changeover operation
						saving cooling mode
	INSTRUCTIONS
						screen brightness
				16 Operating the air conditioner without
					the remote control
8	BEFORE USE				Operation		Signal Receiver
				Horizontal16	lamp
					Restarting the air conditioner
8	Components	Air outlet		vane	automatically
8	Operation ranges		Vertical louver
9	NOTE
	! Using the remote control			17	MAINTENANCE

10	• TheInsertingnumberbatteriesof operation lamps and their locations may vary, depending on the model of
10	the air conditioner.	17	When not in use
	Setting the current time
	• The feature can be changed according to type of model.
10	°C/°F Conversion	19	Cl aning the air filter

	Outdoor unit		20 TROUBLESHOOTING
	11	BASIC FUNCTIONS
		Air inlet vents	-diagnosis function
	11	Cooling your room
			requesting service
	11	Heating your room
	11	Air outlet vents
		Removing humidity

12 Airing your room

12 Adjusting the fan speed

12 Adjusting the air flow

12 Using the 1 Touch soft air

Base plate

13 Setting the timer

Coolant piping

Drain hose

Connection

wire

!NOTE

•The feature can be changed according to type of model.

Operation ranges

The table below indicates the temperature ranges the air conditioner can be operated within.

Mode	Indoor temperature	outdoor temperature
Cooling	18°C ~ 32°C (64°F ~ 89°F)	-10°C ~ 48°C (14°F ~ 118°F)
Heating	16°C ~ 30°C (60°F ~ 86°F)	-10°C ~ 24°C (14°F ~ 75°F)

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					TABLE OFBEFORECONTENTSUSE	97
	TABLE OF CONTENTS
	Using the remote control
	You can operate the air conditioner more conveniently with the remote control.
	2	TIPS FOR SAVING		14	ADVANCED FUNCTIONS
	Wireless remote control		Control	14	Changing room temperature quickly
				Display	Auto Clean operationDescription
			panel	14
				screen
	3	IMPORTANT SAFETYX		15	Auto Changeover operation
					functions.
					Functions button* : Set the special
		INSTRUCTIONS		15	Energy saving cooling mode
			P 15		Display screen brightness
				J G	X: Auto clean
		Display			P: Energy saving cooling operation.
				16	Operating the air conditioner without
		screen			1 Touch soft air button : Easily adjust
	8				thetheremoteair flowcontrolto deflect direct wind
		BEFORE USE
				16	away.
			|		Restarting the air conditioner
	8	Components		-	automatically
					On/Off button: Turn the power on/off.
	8	Operation ranges	_		Temperature adjustment buttons :
	9	Using the remote control		17	Adjust the room temperature when
					cooling and heating.
	10	Inserting batteries			MAINTENANCE
				17	Operation mode selection button* :
	10	Setting the current time			When not in use
					Select the operation mode.
		Control		A19 C	Cooling op ration (A) / Auto operation
	10	°C/°F Conversion panel	f		Cleaning the air filter
				D B E	or auto changeover (C) /
					Dehumidifying operation (D) /
				20	Heating operation (B) /
					TROUBLESHOOTING
	11				Air circulation operation ( )
		BASIC FUNCTIONS	M 20		Jet cooling/heating button* : Warm up
					or cool down the indoor temperature
	11	Cooling your room			Self-diagnosis function
				20	within a short period of time.
					Before requesting service
	11	Heating your room	g	L	Indoor fan speed button : Adjust the
					fan speed.
	11	Removing humidity
			i	:	Air flow direction button: Adjusts the
	12	Airing your room			air flow direction vertically.
					LIGHT button: Adjusts the brightness
	12	Adjusting the fan speed	\	-
					of the indoor unit display.
	12	Adjusting the air flow direction		S	Temperature display button : Display
	12	Using the 1 Touch soft air			the room temperature. Also change
					unit from °C to °F if held for 5 seconds.
	13	Setting the timer	l		Sleep mode auto button : Set the sleep
					mode auto operation.
			mn		Time buttons : Set the start / end time.
			EF		Time adjustment buttons*:
					Adjusts the time
					Set/clear button : Set or cancel functions.
				-	Also set the current time if held for 3
					seconds.
			r	-	Reset button: Reset the air conditioner
					settings.

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

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