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Multi Air Conditioner

Safety Precautions

Indoor/outdoor wiring connections must
be secured tightly and the cable should
be routed properly so that there is no
force pulling the cable from the
connection terminals.

• Improper or loose connections can cause

heat  generation or fire.

Safely dispose off the packing materials.
Like screws, nails, batteries, broken
things etc after installation or svc and
then tear away and thraw away the plastic
packaging bags.

• Children may play with them and cause

injury.

Make sure to check that the power cable
plug is not dirty, loose or broken  and
then only insert the plug completely.

• Dirty, loose or broken power plug can cause

electric shock or fire.

Be sure to check the refrigerant to the
used. Please read the label on the product.

• Incorrect refrigerant used can prevent the

normal operation of the unit.

Don't use a power cord, a plug  or a loose
socket which is damaged.

• Otherwise it  may cause a fire or electrical

shock.

Do not touch , operate, or repair  the
product with wet hands. Hold the plug by
hand when taking out 

• There is risk of electric shock  or fire.

Do not place a heater or other heating
appliances near the power cable.

• There is risk of fire and electric shock.

Do not allow water to run into electric
parts. Install the unit away from water
sources.

• There is risk of fire, failure of the product, or

electric shock.

Do not store or use or even allow
flammable gas or combustibles near the
product. 

• There is risk of fire.

Do not use the product in a tightly closed
space for a long time. Perform ventilation
regularly.

• Oxygen deficiency could occur and hence

harm your health.

Do not open the front  grille 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.

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 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 breaker.

• There is risk of product damage or failure, or

unintended operation.

Take care to ensure that nobody
especially kids could step on or fall onto
the outdoor unit. 

• This could result in personal injury and

product damage. 

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 to turn the unit
ON/OFF .

• There is risk of fire or electric shock.

When flammable gas leaks, turn off the gas and open a window
for ventilation before turn the product on. 

• Do not use the telephone or turn switches on or off. There is risk of

explosion or fire.

Two or more people must lift and
transport the product. 

• Avoid personal injury. 

Do not install the product where it will be
exposed to sea wind (salt spray) directly.

• It may cause corrosion on the product. 

Install the drain hose to ensure that the
condensed  water is drained away properly. 

• A bad connection may cause water leakage.

Keep level even when installing the
product.

• To avoid vibration or noise.

Do not install the product where the noise
or hot air from the outdoor unit could
damage or  disturb the neighborhoods.

• It may cause a problem for your neighbors

and hence dispute.

Always check for gas (refrigerant)
leakage after installation or repair of
product.

• Low refrigerant levels may cause failure of

product.

Summary of Contents for Multi-Type Air Conditioner

Page 1: ...te http www lgservice com TYPE Standard Artcool Mirror Ceiling Cassette IMPORTANT Please read this owner s manual carefully and thoroughly before installing and operating your room air conditioner Please retain this owner s manual for future reference after reading it thoroughly ...

Page 2: ...ung 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 Outdoor Unit 7 D Operati...

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: ...t failure 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 repa...

Page 5: ...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 Replace...

Page 6: ...fied 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 th...

Page 7: ... Air discharge ON OFF button Plasma filter Air inlet Air filter Air inlet Plasma filter Optional Standard Type Artcool Mirror Type Air filter Air outlet Front grille ON OFF button Signal receiver Grille tab Flap Horizontal blade Louvers Vertical blades Ceiling Cassette Type Cabinet Air Discharge Air Inlet Signal receiver Front Panel Indoor Units Air outlet vents Base plate Connection pipe Drain ho...

Page 8: ...eries to save their working life 3 If the display screen of remote 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...

Page 9: ...operation mode Lights up during defrost mode or hot start operation 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 exchanger coils to maintain the efficiency Operation mode Shape of display Setting temperature Jet Cool Auto cl...

Page 10: ...EAR ALL Button Used to clear all timer ROOM TEMPERATURE SETTING Button Used to select the room temperature ON OFF Button Used to turn on off the unit INDOOR FAN SPEED SELECTION Button Used to select fan speed in four steps low medium high and chaos UP DOWN AIRFLOW Button Used to stop or start louver movement and set the desired up down airflow direction LEFT RIGHT AIRFLOW Button Optional Used to s...

Page 11: ...ove contents depending upon model type NOTE OPERATION INDICATION SCREEN SET TEMPERATURE Button WIRELESS REMOTE CONTROLLER RECEIVER Some products don t receive the wireless signals VENTILATION Button OPERATION MODE SELECTION Button SUBFUNCTION Button FUNCTION SETTING Button EXIT Button ON OFF Button ROOM TEMPERATURE Button FAN SPEED Button AIR FLOW Button RESERVATION TIME SETTING Button SETTING CAN...

Page 12: ...he 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 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 INDOOR FAN SPEED ...

Page 13: ...Operation If you select the dehumidification mode on the OPERATION MODE SELECTION BUTTON the product starts to run the dehumidification function It automatically sets the room temperature and airflow volume to the best condition for dehumidification based on the sensed current room temperature In this case however the setting temperature is not displayed on the remote controller and you are not ab...

Page 14: ...SETTING BUTTON again Jet cool function cannot be activated during heating mode Art Cool and Art Cool Wide models close the side discharges during jet cool operation for strong cooling NOTE NEO PLASMA Purification Operation Optional 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...

Page 15: ... the Auto Clean function is reserved whenever the unit is turned off the indoor fan is still running for about 30 minutes internally without cooling or dehumidification operation Also the louver is closed This dries up any remains of moisture cleans the unit internally 2 Display Luminosity Artcool Mirror Type Only The Display Luminosity can be adjusted by using the remote control Open the door of ...

Page 16: ... C 75 2 F Room Temp 21 C 69 8 F Operating mode Cooling Healthy Dehumidification Heating Indoor FAN Speed High High High Setting Temperature 22 C 72 F 23 C 74 F 24 C 76 F Test operation During the TEST OPERATION the unit operates in cooling mode at high speed fan regardless of room temperature and resets in 18 minutes During test operation if remote controller signal is received the unit operates a...

Page 17: ...timer lamp on the air conditioner and the display will go off 1 Press the TIMER button for 3 seconds 2 Press TIME SETTING buttons until the desired time is set Check the indicator for A M and P M 3 Press the SET CLEAR button NOTE Timer Sleep Timer On Timer Off 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 Se...

Page 18: ...airflow direction If you press the UP DOWN AIRFLOW button the horizontal airflow direction is changed automatically based on the Auto Swing algorithm to distribute the air in the room evenly and at the same time to make the human body feel more comfortable as if enjoying a natural breeze Always use the remote controller to adjust the up down airflow direction Manually moving the vertical airflow d...

Page 19: ...ilters The 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 ...

Page 20: ... 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 Benzene SCOURING CLBARGER SINNER 1 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 ind...

Page 21: ... 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 the room Clean the air filter regularly Blockages in the air filter reduce the airflow and lower cooling and dehumidifying effects Clean at least once every two weeks Ventilate the room occasionally Since windows are kept closed it is a good idea...

Page 22: ...22 Multi Air Conditioner Memo ...

Page 23: ...P No MFL39817411 ...

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