LG MFL41604505 User's Manual
Contents
1. LG Life s Good OWNER S MANUAL AIR CONDITIONER Please read this manual carefully before operating your set and retain it for future reference The equipment complies with requirements of the Technical Regulation in terms of restrictions for the use of certain dangerous substances in electrical and electronic equipment eC AB37 KZ 0 02 0561 P NO MFL41604505 a MIFEK UNMIDAd VXIOHIVdYA Room Air Conditioner Owner s Manual TABLE OF CONTENTS A Safety Precautions cccsce 3 B Electrical Safety cess 6 Temporary Use of an Adapter 6 Temporary Use of an Extension Cord 6 Symbols used in this Manual 6 C Product Introduction c 008 7 eoor UN E ae sree 7 Operation Indication Lamps 7 Outdoor Umt e eens 7 D Operating Instructions 8 How to insert the Batteries 8 Wireless Remote Controller Maintenance Sa e 8 Operating Method 8 Wireless Remote Controller 9 Operation Mode cscsssscssssessssees Cooling Only Model Auto Changeover Operation Healthy Dehumidification Operation 11 Auto Operation Heat Pump Model 12 JOU GOOl eee ee E eee 13 Forced operation cecssseseccccsteeecessseesos 14 Vertical Horizontal Airflow Direction Control Optional2. sesccssssees 15 Auto Restart FUnction cssssssessees 15 E Maintenance and Service 16 O er e ans Outdoor Umit Operation Tips esses Troubleshooting Tips J 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 E Staple your receipt to this page in the event you need it to prove date of purchase or for warranty issues pP 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 e Contact the authorized service technician for repair or maintenance of this unit Contact the installer for installation of this unit e 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 e When the power cord is to be replaced replacement work shall be performed by authorized personnel only using only genuine replacement parts 2 Room Air Condit
3. Avoid opening doors and Blockages in the air filter Since windows are kept closed windows as much as possible reduce the airflow and lower it is a good idea to open them to keep the cool air in the room cooling and dehumidifying and ventilate the room now and effects Clean at least once then every two weeks Owner s Manual 17 Maintenance and Service Check the following points before requesting repairs or service If the fault persists please contact your dealer or service center Case Explanation See page The air conditioner does not operate e Have you made a mistake in timer operation e Has the fuse blown or has the circuit breaker been tripped The room has a peculiar odor e Check that this is not a damp smell exuded by the walls carpet furniture or cloth items in the room It seems that condensation is leaking from the air conditioner e Condensation occurs when the airflow from the air conditioner cools the warm room air Air conditioner does not operate for about 3 minutes when restarted e This is the protector of the mechanism e Wait about three minutes and operation will begin Does not cool or heat effectively e Is the air filter dirty See air filter cleaning instructions e Has the temperature been set incorrectly e Are the indoor unit s air inlet or outlet vents obstructed The air conditioner operation is noisy e For a noise
4. sk Cooling Operation 1 Press the Start Stop Button Select Cooling Operation Press the Operation Mode Selection Button Each time the button is pressed the operation mode is shifted in the arrow direction eee rccccccccccccccccccccece o eooo x mill TEMP 7 Lic TEMP TEMP h a a a uaa EA Cooling Healthy Heating Dehumidification Heat pump ro only 3 TEMP Aen A a Healthy Dehumidfication Cooling Set the temperature lower than the room temperature e The temperature can be set within a range of 18 C 30 C by 1 C To raise the temperature TEMP or mit 3 Lic To lower the temperature Set the fan speed e Select the fan speed in four steps low medium high or CHAOS e Each time the button is pressed the fan speed mode is shifted e The display shows high fan speed ak TEMP mn 3 iO Natural wind by the CHAOS logic U For more fresh feeling than other fan speed press the Indoor Fan Speed Selector and set to CHAOS mode In this mode the wind blows like natural breeze by automatically changing fan speed according to the CHAOS logic 10 Room Air Conditioner Operating Instructions Ol Healthy Dehumidification Operation Mode This mode dehumidifies without overcooling 1 Press the Start Stop Button a 2 Select Healthy Dehumidification Operation HSITDNA Press the Operation Mode Selection Button Each time the button
5. Avoid frequently unplugging the power cord as this can lead to eventual ground terminal damage A WARNING e Never use the appliance with a broken adapter We strongly discourage the use of an extension cord due to potential safety hazards A WARNING This appliance should be installed in accordance with national wiring regulations This guide acts as a guide to help to explain product features a IC SE Symbols This symbol alerts you to the risk of electric shock This symbol alerts you to hazards that may cause harm to the A air conditioner NOTE This symbol indicates special notes 6 Room Air Conditioner Product Introduction a Product Introduction Here is a brief introduction of the indoor and outdoor units Please see the information specific to your indoor unit type Indoor Units Standard Split Type Display panel LED indicators m Z O vn Air inlet Plasma filter Optional Front grille ON OFF button Air filter receiver Air outlet Vertical blades Flap Horizontal blade On Off Lights up during the system operation error code and auto restart setting Timer Lights up during timer operation X Defrostmode Lights up during defrost mode or hot start operation Heat pump model only OUT Outdoor unit Lights up during outdoor unit operation Cooling model only DOOR operation Hot start operation Stops the indoor fan in heating
6. TEMP mnt o gt un gt uuill 37 is Thc Cooling Healthy Heating Dehumidification Heat pump model only Set the temperature higher than the room temperature The temperature can be set within a range of 16 C 30 C in 1 C increments To raise the temperature To lower the temperature Set the fan speed again with the door of the remote control still closed You can select the fan speed in four steps low medium high or CHAOS Each time the button is pressed the fan speed mode is shifted Timer control Setting OFF TIMER CONTROL SETTING Press the OFF Time Button 3K TEMP uuill CBTME Fn Lic se OX 1 Press the OFF Time Button 2 Check the OFF Time LED of the room air conditioner 3 The Timer is programmed by 1 hour each pressing the OFF Time button from 1 hour to 7 hours 12 Room Air Conditioner Operating Instructions up Jet Cool Operation 1 Press the Start Stop button The unit will respond with a beep a Press the Jet Cool button to operate the speed cooling mode and the unit will operate in super high fan speed on cooling mode for 30 minutes HSIMDNA 3 TEMP muill a _ Vue To cancel the Jet Cool mode press the Jet Cool button again or the fan speed button or the room temperature setting button and the unit will operate in high fan speed on gs NOTE T During the JET COOL function at any moment the A C starts to blow
7. gas refrigerant leakage after installation or repair of product Low refrigerant levels may cause failure of product 4 Room Air Conditioner Safety Precautions Do not use the product for special purposes such as preserving foods works of art etc It is a consumer air conditioner not a precision refrigeration system There is risk of damage or loss of property Do not touch the metal parts of the product when removing the air filter There is risk of personal injury Do not insert hands or other objects through the air inlet or outlet while the product is operating There are sharp and moving parts that could cause personal injury Do not tilt the unit when removing or uninstalling it The condensed water inside can spill Dismantling the unit treatment of the refrigerant oil and eventual parts should be done in accordance with local and national standards If the liquid from the batteries gets onto your skin or clothes wash it well with clean water Do not use the remote if the batteries have leaked The chemicals in batteries could cause burns or other health hazards Do not drink the water drained from the product e Itis not sanitary and could cause serious health issues Do not block the inlet or outlet of air flow e It may cause product failure Do not step on or put anyting on the product outdoor units e There is risk of personal injury and failure of produc
8. is enabled by factory default setting but you can disable it by pressing the ON OFF button for 6 seconds The unit will beep twice and the indicator lamp 2 will blink 4 times To enable it press the button again for 6 seconds The unit will beep twice and the indicator lamp 1 will blink 4 times Owner s Manual 15 HSIMDNA Maintenance and Service Maintenance and Service A CAUTION Before performing any maintenance turn off the main power to the system disconnect the circuit breaker and unplug the power cord Indoor L Clean the unit with a soft dry cloth Do not use bleach or abrasives A CAUTION Never use any of these e Water hotter than 40 C It may cause deformation and discoloration e Volatile substances They may damage the surface of the air conditioner Air Filters 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 filters back in place Removal of Filters Open the front panel as shown Then pull the filter tab slightly forward to remove the air filter Deodorizer filter Plasma filter The heat exchanger coils and panel
9. signal receiver is inside the unit 2 Aim the remote controller towards the unit to operate it There should not be any blockage in between 8 Room Air Conditioner Operating Instructions The remote control transmits the signals to the system OPERATION DISPLAY Displays the operation conditions CHAOS SWING BUTTON Used to stop or start louver movement and set the desired up down airflow direction m Z O 7 ar OPERATION MODE SELECTION BUTTON Used to select the operation mode 09 O OFF TIMER BUTTON Used to set the time of stopping operation START STOP BUTTON Operation starts when this button is pressed and stops when the button is pressed again ROOM TEMPERATURE SETTING BUTTONS INDOOR FAN SPEED SELECTION BUTTON JET COOL Used to start or stop the speed cooling Speed cooling operates super high fan speed in cooling mode 1 Operation Mode 2 Operation Procedure Cooling Operation Jk Cooling Operation sk l Healthy Dehumidifacation Operation 6 Healthy Dehumidifacation Operation Cooling Model Heating Operation Q Heat pump Model 1st TEMP Start Stop Button 2nd Operation Mode Selection Button 3rd Room Temperature Setting Button 4th Indoor Fan Speed Selection Button Owner s Manual 9 Operating Instructions
10. that sounds like water flowing This is the sound of freon flowing inside the air conditioner unit e For a noise that sounds like the compressed air releasing into atmosphere This is the sound of the dehumidifying water being processed inside the air conditioning unit Remote control display is faint or no display at all e Are the batteries depleted e Are the batteries inserted in the opposite and directions Crack sound is heard e This sound is generated by the expansion constriction of the front panel etc due to changes of temperature 18 Room Air Conditioner LG Life s Good
11. the cool air at extremely high speed for 30 minutes setting the room temp automatically to 18 C It is especially used to cool the room temp in the shortest time in a hot summer In heat pump mode the JET COOL function is not available m In order to return to the normal cooling mode from the JET COOL mode you just press either the operation mode selection button airflow volume selection or temp setting button or the JET COOL button again Owner s Manual 13 Operating Instructions Operation procedures when the remote control can t be used The operation will be started if the ON OFF button is pressed If you want to stop operation re press the button KL OS v f 4 ON OFF x button Cooling Model Heat pump Model Room Temp gt 24 C 21 C lt Room Temp lt 24 C Room Temp lt 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 in 18 minutes During test operation if remote controller signal is received the unit operates as remote controller sets If you want to use this operation Press and hold the ON OFF button for 3 5 seconds then the buzzer sound 1 beep If you want to stop the operation re press the button 14 Room Air C
12. vents of the outdoor unit should be checked regularly If clogged with dirt or soot the heat exchanger and panel vents may be professionally steam cleaned NOTE Dirty or clogged coils will reduce the operating efficiency of the system and cause higher operating costs Air intake vents Piping Drain Hose Air outlet vents 16 Room Air Conditioner Maintenance and Service When the air conditioner is not est porditianer is Sobneine Tole When the air conditioner is to be used again used for a longtime Turn off the circuit breaker and disconnect f 7 Clean the air filter and install it in the indoor the plug unit Refer to page 12 for cleaning filters HSIMDNA Z CAUTION Turn off the circuit breaker when the air conditioner is not going to be used for a long time Dirt may collect and may cause a fire Remove the bataries irori thie remote Check that the air inlet and outlet of the E canis indoor outdoor unit are not blocked Operation Tips Do nofevercool the room Keep blinds or curtains Keep the room temperature closed uniform This is not good for the health Do not let direct sunshine enter Adjust the vertical and and wastes electricity the room when the air horizontal airflow direction to conditioner is in operation ensure a uniform temperature in the room Make sure that the doors Clean the air filter regularly Ventilatethe_room and windows are shut tight Occasionally
13. duct Avoid personal injury Keep level even when installing the product To avoid vibration or noise 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 Don t use a power cord a plug or aloose socket which is damaged Otherwise it may cause a fire or electrical 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 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 Turn the main power off and unplug the unit when cleaning or repairing the product There is risk of electric shock Take care to ensure that power cable could not be pulled out or damaged during operation 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 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 plu
14. g can cause electric shock or fire 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 store or use or even allow flammable gas or combustibles near the product There is risk of fire If strange sounds smell or smoke comes from product lmmediately turn the breaker off or disconnect the power supply cable There is risk of electric shock or fire 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 Do not place ANYTHING on the power cable There is risk of fire or electric shock For inner cleaning contact an Authorized Service Center or a dealer Do not use harsh detergent that causes corrosion or damage on the unit Harsh detergent may also cause failure of product fire or electronic shock ACAUTION p Do not install the product where it will be exposed to sea wind salt spray directly It may cause corrosion on the product 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 Install the drain hose to ensure that the condensed water is drained away properly A bad connection may cause water leakage Always check for
15. harge or disassemble the batteries Do not dispose off batteries in a fire They may burn or explode Do not expose your skin or kids or plants to the cool or hot air draft This could harm to your health If you eat the liquid from the batteries brush your teeth and see doctor Do not use the remote if the batteries have leaked The chemicals in batteries could cause burns or other health hazards Owner s Manual 5 Electrical Safety fil Electrical Safety A WARNING e This appliance must be properly grounded To minimize the risk of electric shock you must alway plug into a grounded oulet e Do not cut or remove the grounding prong from the power plug e Attaching the adapter ground terminal to the wall receptacle cover screw does not ground the appliance unless the cover screw is metal and not insulated and the wall receptacle is grounded through the house wiring e If you have any doubt whether the air conditioner is properly grounded have the wall receptacle and circuit checked by a qualified 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 ground terminal
16. ioner Safety Precautions I Safety Precautions To prevent injury to the user or other people and property damage the following instructions must be followed E Incorrect operation due to ignoring instruction will cause harm or damage The seriousness is classified by the following indications AWARN NG This symbol indicates the possibility of death or serious injury A CAUTION This symbol indicates the possibility of injury or damage Ne E Meanings of symbols used in this manual are as shown below Q Be sure not to do _ Be sure to follow the instruction Always use a power plug and socket with a ground terminal e There is a risk of electric shock For electrical work contact the dealer seller a qualified electrician or an Authorized Service Center Do not disassemble or repair the product by yourself e There is risk of fire or electric shock Use the correctly rated breaker or fuse e There is risk of fire or electric shock Do not install the product on a defective installation stand Be sure that the installation area does not deteriorate with age e lt may cause product to fall In outdoor unit the step up capacitor supplies high voltage electricity to the electrical components Be sure to discharge the capacitor completely before conducting the repair work An charged capacitor can cause electrical shock AWARNING Do not
17. is pressed the operation mode is shifted in the arrow direction TEMP X TEMP muill 9 m gt auil 37 JL Cooling Healthy Heating Dehumidification Heat pump moki only nat TEMP 6 eal Health Cooling Dehumidifiation You can select the fan speed in four steps low medium high or CHAOS Each time the button is pressed the fan speed mode is shifted During Healthy Dehumidification Operation Qi If you select the dehumidification mode on the operation selection button the airconditioner starts to run the dehumidification function automatically setting the room temp and airflow volume to the best condition for dehumidification based on the sensed current room temp In this case however the setting temp is not displayed in the remote control and you are not able to control the room temp either Q During the healthy dehumidification function the airflow volume is automatically set according to the optimization algorithm responding to the current room temp status and makes the room condition healthy and comfortable even in the high humidity season Owner s Manual 11 Operating Instructions Heating Operation Heat pump model only Press the Start Stop button The unit will respond with a beep To select Heating Operation press the Operation Mode Selection button Each time the button is pressed the operation mode is shifted in the direction of the arrow xe TEMP xt
18. onditioner Operating Instructions Vertical Horizon The up down airflow Vertical airflow can be adjusted by using the remote controller 1 Press the START STOP BUTTON to start the unit aS 2 Press CHAOS SWING BUTTON Y 3 The louvers will swing up amp down automatically N gt 4 To stop the louver at a desired angle press R again u NOTE e By pressing the chaos swing button the horizontal air flow direction is changed automatically based on The left right Horizontal airflow can be adjusted by using the remote control 1 Press the START STOP BUTTON to start the unit 2 Press the HORIZONTAL AIRFLOW DIRECTION BUTTON 3 The louvers will swing left amp right automatically fe 4 To stop the louvers at a desired angle press GQ again the chaos algorithm to distribute the air in the room evenly and at the same time to make the human body feel most comfortable as if enjoying natural breeze e 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 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 NOTE This feature
19. 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 Outdoor Unit J Air intake vents Connecting wires Refrigerant pipes SS Air outlet hae Base plate Drain hose Owner s Manual 7 Operating Instructions ia Operating Instructions 1 Remove the battery cover by pulling it according to the arrow 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 NOTE 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 5volt batteries 1 Choose a suitable place where its safe amp easy to reach 2 Fix the holder to wall etc with the supplied screws firmly 3 Slide the remote controller inside the holder NOTE 1 Remote controller should never be exposed to direct sunlight 2 Signal transmitter amp receiver should always be clean for proper communication Use a soft cloth to clean them 3 In case some other appliances also get operated with remote control change their position or consult your serviceman 1 The
20. se only those parts which are listed in the sve parts list Never attempt to modify the equipment The use of inappropriate parts can cause an electrical shock excessive heat generation or fire Owner s Manual 3 m 2 O N ag 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 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 Do not place a heater or other heating appliances near the power cable e There is risk of fire and electric shock Do not use the product ina tightly closed space for a long time Perform ventilation regularly Oxygen deficiency could occur and hence harm your health 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 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 Do not plug or unplug the power supply plug to turn the unit ON OFF There is risk of fire or electric shock Two or more people must lift and transport the pro
21. t Be cautious when unpacking and installing the product Sharp edges could cause injury Do not mix air or gas other than the specified refrigerant used in the system e If air enters the refrigerant system an excessively high pressure results causing equipment damage or injury Replace the all batteries in the remote control with new ones of the same type Do not mix old and new batteries or different types of batteries e There is risk of fire or product failure Do not let the air conditioner run for a long time when the humidity is very high and a door or a window is left open e Moisture may condense and wet or damage furniture Use a firm stool or ladder when cleaning maintaining or repairing the product at an height e Be careful and avoid personal injury Use a soft cloth to clean Do not use harsh detergents solvents or splashing water etc e There is risk of fire electric shock or damage to the plastic parts of the product Always insert the filter securely after cleaning Clean the filter every two weeks or more often if necessary e A dirty filter reduces the efficiency m d O v T Ifthe refrigerant gas leaks during the repair do not touch the leakaing refrigerant gas The refrigernat gas can cause frostbite cold burn If the refrigerant gas leaks during the installation ventilate the area immediately Otherwise it can be harmfull for your health Do not rec
22. use a defective or underrated circuit breaker Use the correctly rated breaker and fuse e There is risk of fire or electric shock Always ground the product as per the wiring diagram Do not connect the ground wire to gas or water pipes lightening rod or telephone ground wire e 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 e There is risk of fire or electric shock Never install the outdoor unit ona moving base or a place from where it can fall down The falling outdoor unit can cause damage or injury or even death of a person When installing the unit use the installation kit provided with the product e Otherwise the unit may fall and cause severe injury Do not use a multi consent Always use this appliance on a dedicated cicuit and breaker Otherwise it can cause electric shock or fire Install the panel and the cover of control box securely e There is risk of fire or electric shock due to dust water etc For installation removal or reinstall always contact the dealer or an Authorized Service Center e There is risk of fire electric shock explosion or injury When the product is soaked flooded or submerged in water contact an Authorized Service Center for repair before using it again e There is risk of fire or eletric shock Be sure to u
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