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Operating Instructions

Delay off timer

Delay on timer

Delay off and on timer

Delay on and off timer

1. Press the SLEEP MODE AUTO BUTTON to set the time when you want the unit to stop automatically.
2. The timer is programmed in one-hour increments by pressing the SLEEP MODE AUTO BUTTON 1 to 7 times. 

The sleep mode is available for 1 to 7 times. 
To alter the time period in steps of 1 hour, press the SLEEP MODE AUTO BUTTON while aiming at air conditioner.

3. • (

In case of non-Inverter Model)

Make sure the sleep mode LED lights up.
To cancel the sleep mode, press the SLEEP MODE AUTO BUTTON several times until the sleep mode LED lights off.

• 

(In case of Inverter Model)

Make sure the Timer LED lights up.
To cancel the sleep mode, press the SLEEP MODE AUTO BUTTON several times until the Timer LED lights off.

• The sleep mode will operate indoor fan at slow speed in cooling mode and at 

low

 speed in heating mode for

pleasant sleep.

• Art Cool and Art Cool Wide (non-Deluxe) close the lower discharge partially in sleep mode for pleasant sleep.

In cooling mode or healthy dehumidification mode:

The setting temperature will rise automatically two times by 1°C over next consecutive 30 minutes (2°C 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 Start/Stop button.

2. Press 2nd F button and check if           icon is on.

3. Press the TIME SETTING BUTTONS until the desired time is set.

4. Press the TIME SET/CANCEL BUTTON.

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

NOTE

1. Make sure to set current time correctly on the display of the remote controller.

2. Press 2nd F button.

3. Press the ON/OFF TIMER BUTTONS to turn timer on or off.

4. Press the TIME SETTING BUTTONS until the desired time is set.

5. To set the selected time, press the TIMER SETTING BUTTONS aiming the remote controller at the 

signal receptor.

To cancel the timer setting

Check if            icon is off.
Press the TIMER CANCEL BUTTON aiming the remote controller at the signal receptor.
(The timer lamp on the air conditioner and the display will go off.)

Select one of the following four types of operation.

NOTE

ON

OFF

CANCEL

SET

CANCEL

SET

CANCEL

SET

Sleep Mode

Setting the Current Time

Timer Setting

14

Air Conditioner

Summary of Contents for S18AT

Page 1: ...OWNER S MANUAL AIR CONDITIONER Please read this manual carefully before operating your set and retain it for future reference P NO 5400554301 Rev c www lge com TYPE WALL MOUNTED ENGLISH ...

Page 2: ...re 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 Unit 7 Operation Indication Lamps 7 ...

Page 3: ...ox securely 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...

Page 4: ...ailure If strange sounds smell or smoke comes from product Immediately turn the breaker off or disconnect 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 repairi...

Page 5: ...ant 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 refrigerant oil and eventual parts should be done in accordance with local and national standards Rep...

Page 6: ...ine 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 eventual ground terminal damage Never use the applianc...

Page 7: ......

Page 8: ...oth of the batteries 4 Use 2 AAA 1 5 volt 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 In ca...

Page 9: ...TION BUTTON OPTIONAL 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 OPTIONAL Used to start or stop the plasma purification function 14 HORIZONTAL AIRFLOW DIRECTION CONTROL BUTTON OPTIONAL Used to set the desired horizontal airflow di...

Page 10: ...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 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 four steps low medium high and CHAOS by pressing the INDOOR FAN SPEED SELECTOR BUTTON Ea...

Page 11: ... 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 hot or cold press the t...

Page 12: ... fan speed and 30 C 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 You can activate this operation by pressing the JET COOL BUTTON To change from jet cool mode to high ...

Page 13: ... want to stop operation re press the button ON OFF button Heat pump Model Room Temp 24 C 21 C Room Temp 24 C Room Temp 21 C Operating mode Cooling Cooling Healthy Dehumidification Heating Indoor FAN Speed High High High High Setting Temperature 22 C 22 C 23 C 24 C Test operation During the TEST OPERATION the unit operates in cooling mode at high speed fan regardless of room temperature and resets ...

Page 14: ...The setting temperature will rise automatically two times by 1 C over next consecutive 30 minutes 2 C 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 Start Stop button 2 Press 2...

Page 15: ...e 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 consumption and prevent...

Page 16: ...hade after washing and reinstall the filters back in place Plasma Filters The plasma filters behind the air filter should be checked and cleaned once in every 3 months 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 If it is dirty wash it with water and dry well in shade an install back in place Deodoriz...

Page 17: ... 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 Avoid opening doors and wind...

Page 18: ...e 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 while using the air ...

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