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Room Air Conditioner

Room Air Conditioner Ownerʼs 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 air conditioner properly. Just a little
preventive care on your part can save you a great deal
of time and money over the life of your air conditioner.

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 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.

A. Safety Precautions

..............................3

B. Electrical Safety

...................................6

Temporary Use of an Adapter ...............6
Symbols used in this Manual.................6

C. Product Introduction

...........................7

Indoor Units ...........................................7
Operation Indication Lamps ..................7
Outdoor Unit ..........................................7

D. Operating Instructions

........................8

How to insert the Batteries ....................8
Wireless Remote Controller 
Maintenance..........................................8
Operating Method..................................8
Wireless Remote Controller...................9
Operation Mode...................................10
Healthy Dehumidification Operation....11
Auto Operation 
(Cooling Only Model)...........................11
Auto Changeover Operation 
(Heat Pump Model) .............................11
Jet Cool/Heat Operation......................12
NEO PLASMA Purification Operation 
(Optional).............................................12
Auto Clean (Optional)..........................12
Energy-Saving Cooling Mode 
(Optional).............................................13
Display Luminosity (Optional)..............13
Forced operation .................................13
Sleep Mode .........................................14
Setting the Current Time .....................14
Timer Setting .......................................14
Vertical / Horizontal Airflow Direction
Control (Optional) ................................15
Air Circulation Mode ............................15
Auto Restart Function..........................15

E. Maintenance and Service

..................16

Indoor Unit...........................................16
Outdoor Unit ........................................17
Operation Tips!....................................17
Self-Diagnosis Function ......................17
Troubleshooting Tips! 
Save time and money!.........................18
Call the service immediately in the
following situations ..............................18

Summary of Contents for LSN240HSV

Page 1: ... MANUAL AIR CONDITIONER Please read this manual carefully before operating your set and retain it for future reference P NO MFL39817401 www lg com TYPE WALL MOUNTED http www lghvac com ENGLISH FRANÇAIS ESPAÑOL ...

Page 2: ...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 A Safety Precautions 3 B Electrical Safety 6 Temporary Use of an Adapter 6 Symbols used in this Manual 6 C Product Introduction 7 Indoor Units 7 Operation Indication Lamps 7 Outdoor Unit 7 D Operating In...

Page 3: ...ecurely There is risk of fire or electric shock due to dust water etc Use the correctly rated breaker or fuse There is risk of fire or electric shock Do not modify or extend the power cable If the power cable or cord has scrathes or skin peeled off or deteriorated then it must be replaced There is risk of fire or electric shock For installation removal or reinstall always contact the dealer or an ...

Page 4: ... the power supply cable There is risk of electric shock or fire Ventilate the product room from time to time when operating it together with a stove or heating element etc Oxygen deficiency can occur and hence harm your health Turn the main power off and unplug the unit when cleaning or repairing the product There is risk of electric shock When the product is not to be used for a long time disconn...

Page 5: ... The condensed water inside can spill Do not mix air or gas other than the specified refrigerant used in the system If air enters the refrigerant system an excessively high pressure results causing equipment damage or injury If the refrigerant gas leaks during the installation ventilate the area immediately Otherwise it can be harmfull for your health Dismantling the unit treatment of the refriger...

Page 6: ...ied electrician We strongly discourage the use of an adapter due to potential safety hazards For temporary connections use only a genuine adapter available from most local hardware stores Ensure that the large slot in the adapter is aligned with the large slot in the receptacle for a proper polarity connection To disconnect the power cord from the adapter use one hand on each to avoid damaging the...

Page 7: ...on mode Lights up during defrost mode or hot start operation Heat pump model only Lights up during outdoor unit operation Cooling model only Outdoor unit operation OUT DOOR Hot start operation Stops the indoor fan in heating operation for minutes to prevent cold air from blowing out from unit In defrost mode unit stops heating operation for few minutes to remove formation of ice on the heat exchan...

Page 8: ...e controller starts fading replace both of the batteries NOTE 1 Choose a suitable place where its safe easy to reach 2 Fix the holder to wall etc with the supplied screws firmly 3 Slide the remote controller inside the holder 1 Remote controller should never be exposed to direct sunlight 2 Signal transmitter receiver should always be clean for proper communication Use a soft cloth to clean them 3 ...

Page 9: ...ed to adjust the time 9 TIMER SET CANCEL BUTTON Used to set and to cancel the timer operation 10 SLEEP MODE AUTO BUTTON Used to set sleep mode auto operation 11 AIR CIRCULATION BUTTON Used to circulate the room air without cooling or heating ENERGY SAVING COOLING MODE BUTTON OPTIONAL For inverter type models 12 ROOM TEMPERATURE CHECKING BUTTON Used to check the room temperature 13 PLASMA BUTTON OP...

Page 10: ...eover Heat Pump Model For cooling or heating operation set the desired indoor temperature by pressing the ROOM TEMPERATURE SETTING BUTTONS For cooling the temperature can be set within 18 C 30 C 64 F 86 F and for heating the temperature range is 16 C 30 C 60 F 86 F Set the fan speed with the remote controller You can select the fan speed in four steps low medium high and CHAOS by pressing the INDO...

Page 11: ...r cooling function of the air conditioner But during this operation the controller changes the operation mode automatically to keep the temperature within 2 C with respect to the setting temperature Operating Instructions In this operation mode the actual setting temperature and the fan speed are automatically set by the electronic control logic based on the current room temperature If you feel ho...

Page 12: ...heat function available only in some models warms up the room quickly by operating at super high fan speed and 30 C 86 F setting temperature for 60 minutes Plasma filter is a technology developed by LG to get rid of microscopic contaminants in the intake air by generating a plasma of high charge electrons This plasma kills and destroys the contaminants completely to provide clean and hygienic air ...

Page 13: ...ou want to stop operation re press the button ON OFF button Heat pump Model Cooling Model RoomTemp 24 C 75 2 F 21 C 69 8 F RoomTemp 24 C 75 2 F RoomTemp 21 C 69 8 F Operating mode Cooling Cooling Healthy Dehumidification Heating Indoor FAN Speed High High High High Setting Temperature 22 C 71 6 F 22 C 71 6 F 23 C 73 4 F 24 C 75 2 F Test operation During the TEST OPERATION the unit operates in cool...

Page 14: ...umidification mode The setting temperature will rise automatically two times by 1 C 2 F over next consecutive 30 minutes 2 C 4 F in 1 hour for a comfortable sleep Now this will be the final setting temperature as long as sleep mode is functioning NOTE 1 Time can be set only when you press the RESET BUTTON Having replacing the batteries you should press the RESET BUTTON to reset the time Press the ...

Page 15: ...he same time to make the human body feel most comfortable as if enjoying natural breeze Always use the remote controller to adjust the up and down air flow direction Manually moving the vertical air flow direction louver by hand could damage the mechanism When the unit is shut off the up down airflow direction louver will close the air outlet vent of the system NOTE CHAOS Air economizes power cons...

Page 16: ...he air filters behind the front panel grill should be checked and cleaned once in every 2 weeks or more often if necessary To remove the filters see the self explanatory diagrams for each model type Clean the filters with a vacuum cleaner or warm soapy water If dirt is not easily removed wash with a solution of detergent in luke warm water Dry well in shade after washing and reinstall the filters ...

Page 17: ...in such a situation Do not overcool the room This is not good for the health and wastes electricity Keep blinds or curtains closed Do not let direct sunshine enter the room when the air conditioner is in operation Keep the room temperature uniform Adjust the vertical and horizontal airflow direction to ensure a uniform temperature in the room Make sure that the doors and windows are shut thight Av...

Page 18: ...blocking the front of the air conditioner Clean the filter at least every 2 weeks See the Maintenance and Service section When the air conditioner is first turned on you need to allow time for the room to cool down Check for open furnace floor registers and cold air returns Make sure they are correct Check and remove such source or turn it off while using the air conditioner What To Do Possible Ca...

Page 19: ...ss 2 for PTAC TTW USA press 3 for DFS Multi V CANADA 888 865 3026 888 865 3026 1 888 LG Canada Register your product Online LG Customer Information Center US 1 Please call the installing contractor of your product as warranty service will be provided by them 2 If you have service issues that have not been addressed by the contractor please call 1 888 865 3026 CANADA Service call Number 888 LG Cana...

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