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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
Temporary Use of an Extension Cord ...6
Symbols used in this Manual.................6

C. Product Introduction

...........................

7

Indoor Units ...........................................7
Operation Indication Lamps ..................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...................................11
Auto Changeover Operation ...................12
Auto Operation ....................................12
Healthy Dehumidification Operation....12
Air Circulation Operation .....................13
Auto Clean Operation..........................13
NEO PLASMA Purification 
Operation.............................................13
Energy-Saving Cooling Mode.....................14
Display Luminosity ..............................14
Setting the Current Time .....................14
Timer Setting .......................................15
To cancel the timer setting ..................15
Sleep Mode .........................................15
Horizontal Vane Control ......................16
Vertical Louver Control........................16
Jet Cool Operation ..............................17
Forced operation .................................17
Auto Restart Function..........................18

E. Maintenance and Service

..................

19

Indoor Unit...........................................19
Outdoor Unit ........................................20
Operation Tips!....................................20
Self-Diagnosis Function ......................20
Troubleshooting Tips! Save time 
and money!..........................................21
Call the service immediately in the
following situations ..............................21

2

Air Conditioner

Summary of Contents for CS18AQ

Page 1: ...read this manual carefully before operating your set and retain it for future reference P NO MFL63741301 TYPE WALL MOUNTED www lg com http www lghvac com ENGLISH ITALIANO ESPAÑOL FRANCAIS DEUTSCH PORTUGUESE ΕΛΛΗΝΙΚΆ NEDERLANDS POLSKI MAGYAR ...

Page 2: ...ey 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 Temporary Use of an Extension Cord 6 Symbols used in this Manual 6 C Product Introduction 7 Indoor Units 7 Operation Indication Lamps 7 D Operati...

Page 3: ...k 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 Authorized Service Center There is risk of fir...

Page 4: ...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 disconnect the power supply plug or turn off the...

Page 5: ...rant 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 refrigerant oil and eventual parts should be done in accordance with local and national standards Replace the all batteries in the remote control wit...

Page 6: ...y 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 ground terminal Avoid frequently unplugging the power cord as this can lead to eve...

Page 7: ...cation Operation During Air Circulation Operation Cooling lamp lights up While Plasma Purification operates with Air Circulation Operation ʻCoolingʼ lamp and ʻPlasmaʼ lamp lights up at the same time Premium type doesn t have Plasma lamp Allergy Filter Plasma Filter Triple Filter Front Panel Horizontal Sub Vane Horizontal Main Vane Air Outlet Vertical Louver Signal Receiver ON OFF Button Indoor Uni...

Page 8: ...w direction 2 Insert new batteries making sure that the and of battery are installed correctly 3 Reattach the cover by sliding it back into position 1 Always use replace both batteries of same type 2 If the system is not to be used for a long time remove the batteries to save their working life 3 If the display screen of remote controller starts fading replace both of the batteries 4 Use 2 AAA 1 5...

Page 9: ...emperature INDOOR FAN SPEED SELECTION BUTTON Used to select fan speed in six steps low medium low medium medium high high and natural wind Signal transmitter SLEEP Cooling Operation Auto Operation or Auto Changeover Healthy Dehumidification Operation Heating Operation Only heat pump Air Circulation Operation Mode SLEEP MODE AUTO BUTTON Used to set sleep mode auto operation PLASMA BUTTON Used to st...

Page 10: ...ncel the timer operation RESET BUTTON Used prior to resetting time LED LUMINOSITY BUTTON Used to adjust LED luminosity HORIZONTAL VANE CONTROL BUTTON Used to set the desired vertical airflow direction VERTICAL LOUVER CONTROL BUTTON Used to set the desired horizontal airflow direction AUTO CLEAN BUTTON Used to set auto clean ENERGY SAVING COOLING BUTTON Used to save Energy ROOM TEMPERATURE CHECKING...

Page 11: ...tion of the arrow 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 and for heating the temperature range is 16 C 30 C Set the fan speed with the remote controller You can select the fan speed in six steps low medium low medium medium high high and natural wind by pressing the...

Page 12: ...trols based on the actual room temperature If you feel hot or cold press TEMPERATURE SETTING 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 Auto Operation Multi Air Conditioner Healthy Dehumidification Operation MODE This operation is basically heating or cooling function of the air conditioner But during th...

Page 13: ... 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 Plasma purification operation can be started by pressing the PLASMA BUTTON on the remote controller Repressing it will deactivate the operation This features can be used in any operation mode and...

Page 14: ... the ENERGY SAVING COOLING MODE BUTTON again and unit will operate in previous mode Cooling mode Display Luminosity The unit display Luminosity can be adjusted by using the remote controller Open the cover of the remote controller and press the LED LUMINOSITY button Display LED will be dark Press the button again to set bright display Press the TIMER BUTTON For 3 seconds Press the TIMER SETTING BU...

Page 15: ...re as long as sleep mode is functioning NOTE Sleep Mode Operation Press the Timer button once to set on the Reserved On Press the Timer button twice to set the Reserved Off 1 Press the Time Setting buttons until the desired time is set The order of a m and p m hour minute is repeated whenever you press the button By pressing the button you can set the desired time 2 Press the SET CLEAR BUTTON Pres...

Page 16: ...is changed in the direction of the arrow STOP 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step Auto Swing Horizontal Vane Control Vertical Louver Control Press the Vertical Airflow Direction button once more during Auto Swing at the direction of airflow you want Press the Horizontal Airflow Direction button once more during Full Auto Swing at the direction of airflow you want 1 Step 2 Step 3 Step 4 Step ...

Page 17: ...el Jet Cool cannot be activated during Heating In case of Inverter you can use jet heat function by pressing JET COOL BUTTON for heating operation NOTE Forced operation Forced operation is used when the remote controller can t be used The operation will be started if the ON OFF button is pressed If you want to stop the operation re press the button ON OFF Button Heat pump Model Cooling Model Room ...

Page 18: ...ill beep twice and the lamp will blink 6 times To enable it press the button again for 6 seconds The unit will beep twice and the blue lamp will blink 4 times NOTE This function is useful in the situation of power failure When power regains after a failure this feature restore the previous operating condition and the air conditioner will run in the same settings Auto Restart Function ...

Page 19: ...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 back in place Plasma Filter The plasma filters behind the air filter should be checked and cleaned once in every 3 months o...

Page 20: ...th 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 Avoid opening doors and windows as much as possible to keep the cool air in ...

Page 21: ...p Make sure there are no curtains blinds or furniture 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 ...

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