Room Air Conditioner OWNER'S MANUAL ? Please read before ? carefully and thoroughly operating this unit. Contact the authorized SVC man for this manual repair or maintenance of this unit. ? Contact the installer for installation of this unit. ? The is not intended for use by young infirm persons without supervision. children should be supervised to ensure that appliance children ? Young they do or not play MODELS: Prior to with the appliance. LS-C07_Series LS-H07_Series LS-C09_Series LS-H09_Series LS-C12_Series LS-H12_Series AS-C07_Series AS-H07_Series AS-C09_Series AS-H09_Series AS-C12_Series AS-H12_Series C07L_Series C07A_Series C09L_Series C09A_Series C12L_Series C12A_Series installation, this air-conditioning approval by the utility provides electricity (EN 61000-3 Norm). unit must be submitted for service which ENGLISHTAOPFRCDU GRE K Safety precautions Safety Precautions Warning ................................2 To Caution .................................3 Incorrect operation damage, symbols. the seriousness of which is indicated before operation due to ignoring instructions will cause the by harm or following WARNING WARNING Instructions Operating Preparation prevent injury and property damage, follow these instructions. ..4 This symbol shows the possibility of death serious or injury. Remote Control Features .....6 Operation CAUTION CAUTION Mode Selection ......7 This Additional features ..............14 TroubleshtingpCadMcOISfyP 2 indicates the symbol possibility of injury or damage to property. The Care and Maintenance following items are classified by these symblos. Care and Maintenance .......18 Operation Tips ....................20 Never Do This Troubleshooting tips Do This Always Before You Call For Service ...............21 WARNING WARNING Plug in the power plug properly. ? Otherwise, it will or cause fire due to heat Do not operate or stop the unit by inserting or pulling out the power plug. electric shock generation ? It will cause to heat or electric shock or fire due generation. Do not damage or use an unspecified power cord. ? It will ? In the electric shock. Do not modify power cord length or share the outlet with other appliances. ? It will cause to heat electric shock or fire due Do not operate with wet hands or in damp environment. ? It may cause electric shock. Do not allow water to grounding may cause electric ? shock. Unplug the unit if sounds, smell, comes ? or fire. Do not direct airflow at room occupants only. ? run into This could damage Always install and electric parts. No electric shock supply cord is damaged, it mut be replaced by the manufacturer or its service agent or a similarly quallfied person in order to avoid a hazard. (Y Attachment) your health. generation. Always perform grounding work. ? cause or It may cause failure of machine electric shock. strange Do not smoke loose use or or ? the socket if it is a air dedicated leakage breaker switching board. No installation may cause fire and electric shock accident. Do not open the entrance during operation. damaged. from it. It may cause fire and electric shock accident. ? Keep firearms away. It may cause fire and electric shock. Do not use ? the power cord close to the It may cause electric shock. Do not use the power cord near flammable gas or combustibles, such as gasoline, heating tools. benzene, thinner, etc. ? It may cause fire. ? It may cause fire and electric shock. ? It may cause an explosion or fire. WARNING WARNING Ventilate before operating air conditioner Do not disassemble when gas goes out. ? It may cause or modify products ENGLISH randomly. fire explosion, and, burn. ? It may cause failure and electric shock. CAUTION CAUTION Never touch the metal of the unit when parts removing Do not clean the air Ventilate well when used conditioner with water. together with a stove, etc. the filter. ? They are sharp injury. When and may cause ? Water may enter the unit and degrade the insulation. It may cause an electric shock. Do not cleaning the unit, first make put a pet or plant where it will exposed to direct the power and breaker are turned off. sure ? An oxygen house Do not Since the fan rotates at high speed during operation, cause injury. it may ? This could the window in storm Operation vegetables, precision machine, may cause or opened ? It may cause vegetables damage or of animals loss of Turn off the main power switch when not using it for a electric shock and cause ? damage. Ensure that around the the outdoor It may cause failure of accident. appliance Do not use ? long time. It may or fire. cause failure of product Use caution when If leaving appliance damaged, concern of damage due to the falling of product. Do not soft cloth. Sharp edges every two weeks. ? ? There is danger of shock. fire or electric Operation cause without filters may failure. Do not drink water drained place heavy object on the unpacking and installing. cause injury. could Always insert the filters securely. Clean it once power cord and take care so that the cord should not be pressed. thinner but Appearance may be deteriorated due to change of product color or scratching of its surface. installation console of there is strong detergent as wax or an appliance is not damaged due to the use for a long time. or use a or property. of indoor and wetting animals conservation of art articles. It may plug by the head of the power plug when taking place obstacles absorption inlet or instead of blowing-out inlet. ? ? or Do not such or as of household furniture. soaking ? pet it out. with windows appliance for special air flow. Hold the hurricane. ? the occur. purpose such plant. and close Stop operation injure use may be or ? shortage from air conditioner. ? It contains contaminants and will make you sick. If water enters the product, turn the power body of appliance off. After taking the power-plug out from the socket, switch of the main contact with the service center. 3 Preparation before operation How to Insert the Batteries Remove the battery arrow direction. Insert new battery are batteries installed Reattach the cover cover by pulling making sure correctly. by sliding it according that the it back into (+) to the and (-) of position. NOTES: TroubleshtingpCadMcOISfyP 4 ? Use 2 AAA(1.5volt) batteries. Do not use rechargeable batteries. Storage and Tips For Using ? The remote control may be stored a wall. ? To operate the control at the room air the Remote Control by mounting conditioner, aim the signal receptor. it on remote Signal Receptor Each Icon turns on when the unit is operated, then the only Icon outline to be operated is bright. ENGLISH Cooling Auto Mode Operation Mode Healthy Dehumidification Mode Heating Mode Lights up during Cooling operation. (Outline) Lights up during Lights up during Healthy Auto operation. (Outline) Lights Air circulation Mode Lights up during Mode Lights up during Sleep Timer Mode Lights up during Timer Lights up during Auto Jet Cool Mode Lights up during Jet Cool Plasma Lights up during Plasma Fan Lights up when Fan Auto up during Defrost control or Hot Start in Heating operation. (Outline) Cleaning Mode Speed (Low) Fan Speed (Medium) Fan Lights Speed (High) Fan Desire operation. (Outline) Lights up during Heating operation. (Heat Pump model only) (Outline) Defrost Mode Sleep Dehumidification Air Circulation Mode operation. (Outline) operation. operation. Cleaning reservation. Operation. operation. speed is low. up when Fan speed Lights Speed (Chaos) up when Fan is Medium. speed up when Fan Lights is High. speed is Chaos. temperature For cooling,dehumidification,heating modes it display Desired temperature indicator ? Cooling : 18~30°C ? AI : Auto ? Dehumidification : 18~30°C ? Po : Jet Cool ? Heating : 16~30°C ? Lo : Test Mode ? C1 : Indoor Desire temperature Icon Indoor temperature Icon Operation pipe sensor error 5 About the remote control The remote control transmits the signals to the on the system system. Features of the Remote Control- Door 1 Signal TroubleshtingpCadMcOISfyP 6 OPERATION MODE SELECTION BUTTON Used to select the operation mode. 3 ROOM TEMPERATURE SETTING BUTTONS Used to select the room temperature. 4 5 ON/OFF TIMER BUTTONS Used to set the time of starting and 9 10 CANCEL 9 AUTO CLEAN 11 17 10 11 (See page 14) AIR CIRCULATION BUTTON Used to circulate the room air without 18 8 13 12 14 12 13 Flip-up door (opened) Operation 15 Cooling Operation 16 Operation Healthy Dehumidification Operation Heating Operation ? Cooling Model( 14 Mode Auto ), Heat Pump Model( cooling or heating. (See 16 15 TIME SETTING BUTTONS Used to adjust the time. (See page 14) TIMER SET/CANCEL BUTTON Used to set the timer when the desired time is obtained and to cancel the Timer operation. (See page 14) SLEEP MODE AUTO BUTTON Used to set Sleep Mode Auto operation. SET OFF stopping operation. (See page 14) 8 ON or stop the speed cooling. (Speed cooling operates super high fan speed in cooling mode.) 7 4 7 JET COOL Used to start CHAOS SWING BUTTON Used to stop or start louver movement and set the desired up/down airflow direction. 3 2 INDOOR FAN SPEED SELECTOR Used to select fan speed in four steps low, medium, high and CHAOS. 6 1 6 START/STOP BUTTON Operation starts when this button is pressed and stops when the button is pressed again. 2 transmitter 5 Opened ) page 15) ROOM TEMPERATURE CHECKING BUTTON Used to check the room temperature. PLASMA(OPTIONAL) Used to start or stop the function. (See page 12) plasma-purification HORIZONTAL AIRFLOW DIRECTION CONTROL BUTTON (NOT ON ALL MODELS) Used to set the desired horizontal airflow direction. (See page 15) RESET BUTTON Used prior to resetting time batteries. or after replacing 2nd F Button Used prior to using modes printed in blue at the bottom of buttons. (See page 13) 17 AUTO CLEAN Used to set Auto Clean mode. 18 LED LUMINOSITY Used to adjust LED luminosity. How to use the Operation Mode Selection button Cooling Operation 1 Press the a 2 beep. Open the door on the remote control. To select Cooling Operation, press the Operation Mode Selection button. Each time the button is pressed, the operation mode is shifted in the direction of the Close the door lower than the set within a arrow. Auto Cooling 3 ENGLISH Start/Stop button. respond with The unit will Healthy Dehumidification on Heating (Heat pump model only) the remote control. Set the room temperature temperature. The temperature can be range of 18°C~30°Cin 1°C increments. ON To raise the temperature To lower the temperature 4 Set the fan with the door speed again of the remote control still closed. You can select the fan speed in four steps- low, medium, high and CHAOS. Each time the button is fan Natural wind For more by the fresh CHAOS feeling CHAOS mode. In this speed according speed pressed, the mode is shifted. logic than other fan speed, press the Indoor Fan Speed Selector and set to mode, the wind blows like natural breeze by automatically changing fan to the CHAOS logic. 7 Auto Operation Press the 1 a TroubleshtingpCadMcOISfyP 8 Start/Stop button. respond with The unit will 2 beep. Open the door on the remote control. To select Auto Operation, press the Operation Mode Selection button. Each time the button is pressed, the operation mode is shifted in the direction of the Auto Cooling ON 3 The arrow. Healthy Dehumidification temperature and fan speed electronic controls based on are Heating (Heat pump model only) automatically the actual room set by the temperature. If change the set temperature, press the Room Temperature Setting buttons. The cooler or warmer you feel, the more times (up to two times) you should press the button. The set temperature will be changed automatically. you want to To raise the temperature To lower the temperature During Auto Operation: You cannot switch the indoor fan If the system is not operating It has already been set desired, manually switch by the Fuzzy rule. to another mode. The system will not cooling mode to the heating mode, or from heating mode to cooling mode, it must be done by manually resetting. During Auto Operation, pressing the chaos swing button makes the horizontal louvers swing up and down automatically. If you want to stop auto-swing, press the chaos swing button again. automatically switch from the speed. as Healthy Dehumidification Operation Press the 1 ENGLISH Start/Stop button. respond with The unit will a 2 beep. Open the door on the remote control. To select Dehumidification Operation, press the Healthy Operation Mode Selection button. Each time the button is pressed, shifted in the direction of the Auto Cooling 3 Set the fan operation Healthy Dehumidification speed again mode is Heating (Heat pump model only) with the door of the remote control still closed. You can select the fan ON speed in four or time the button is pressed, the fan mode is shifted. Natural wind by the CHAOS fresh logic speed, press the Indoor Fan Selector and set to CHAOS mode. In this mode, the wind more Speed steps- CHAOS. Each low, medium, high, speed For the arrow. feeling than other fan blows like natural breeze according to the CHAOS by automatically changing logic. fan speed During Healthy Dehumidification Operation: If you select the dehumidification mode on the operation selection button, the A/C starts to run the dehumidification function. It automatically sets the room temp. and airflow volume to the best condition for dehumidification, based on In this case, however, the setting control the room temp. either. the sensed current temp. is not room displayed temp. in the remote control and you are not able to During the healthy dehumidification function, the airflow volume is automatically set according to the optimization algorithm responding to the current room temp. status which makes the room condition healthy and comfortable even in the high humidity season. 9 Heating Operation(Heat pump 1 Press the TroubleshtingpCadMcOISfyP 10 Start/Stop button. respond with beep. Open the door on the remote control. 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 Close the door arrow. Auto Cooling 3 only) The unit will a 2 model Healthy Dehumidification on Heating (Heat pump model only) the remote control. Set the temperature higher than the room temperature. The temperature can be set within a range of 16°C~30°Cin 1°C increments. ON To raise the temperature To lower the temperature 4 Set the fan speed again with the door of the remote control still closed. You the fan speed in four can select steps--low, medium, high and CHAOS. Each time the button pressed, the fan speed mode is shifted. Natural wind For more by the fresh CHAOS feeling CHAOS mode. In this speed according is logic than other fan speed, press the Indoor Fan Speed Selector and set to mode, the wind blows like natural breeze by automatically changing fan to the CHAOS logic. Jet Cool Operation 1 Press the a 2 beep. Press the Jet Cool button to the will on 3 ENGLISH Start/Stop button. respond with The unit will speed cooling operate mode and the unit operate in super high fan speed cooling mode for 30 minutes. To cancel the Jet Cool mode, press the Jet Cool button or room temperature setting button again and the unit will operate in high fan speed on cooling the fan speed button or the mode. or or NOTE: During the JET COOL function at any moment, the A/C starts to blow 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 or neuro fuzzy mode, however, the JET COOL function is not available. In order to return to the normal either the or operation the JET COOL button mode from the JET COOL mode, you just press button, airflow volume selection or temp. setting button cooling mode selection again. 11 PLASMA Purification 1 Operation(Optional) Press the Start/Stop button. respond with a The unit will beep. TroubleshtingpCadMcOISfyP 12 2 3 Open the door on the remote control. Press the PLASMA air purifying operation ON/OFF button. Operation will start when the button is pressed and stop when the button is pressed again. Set the fan closed. You speed again with door of the remote control speed in four steps-low, medium, high or CHAOS. Each time the button is pressed, the fan speed mode is shifted. can select the fan Air purifying operation (PLASMA) can be cooling, Heating or any other operations. PLASMA Air with Purifying Operation only If you press the only PLASMA button, PLASMA air purifying operates. only Then, fan speed is low. You can select the fan speed in four steps-low, medium, high or CHAOS. Each time the button speed ( mode is shifted. ) is pressed, the fan 2nd F Operation 1 Press the a 2 ENGLISH Start/Stop button. respond with The unit will beep. Open the door of the remote control and press the 2nd operate functions printed in blue at bottom Function button to of buttons. (Check the display.) indication of 2nd function These buttons on operate the timer setting remote control as follows: CANCEL ON OFF SET AUTO CLEAN CANCEL ON OFF SET AUTO CLEAN 3 2nd function goes off in the button is a short time automatically or when pressed again. For more details, refer to functions next page. 13 Additional features Mode Sleep 1 Press the Sleep To cancel the Sleep Mode, press the sleep Mode Auto button several times until the star Mode Auto button to set the time you want the unit to turn off automatically. ( 2 programmed in one-hour by pressing the Sleep Mode increments Auto The 14 the Sleep Mode will be operated at speed (cooling) or medium fan speed (heat pump only) for quiet sleeping. in period steps of Mode Button while Sleep 1 hour, press aiming IN COOLING MODE OR HEALTHY at air DEHUMIDIFICATION MODE: conditioner. The Make sure the Mode Auto LED Sleep Setting 1 operation display. slow fan mode is available for 1 to 7 times. To sleep alter the time 3 from the Note: The button 1 to 7 times. TroubleshtingpCadMcOISfyP ) disappears The Timer is lights over up. temperature will automatically rise by 1°C the next 30 minutes and for comfortable sleeping. Press the Time Setting by 2°C in 1 hour the Time Time can be set only when you have pressed the Reset button. If you have just replaced the batteries, the Reset button should be pressed 3 buttons until the desired time is set. to reset the time. Press the button. Start/Stop Press the Timer SET button. 4 CANCEL Press 2nd F button 2 SET and check if 2nd F icon is Note: Check the indicator on. for A.M. and P.M. Delay Start/Pre-Set Stop 1 2 3 Make sure the time is set remote control correctly on the To set the selected 5 display. CANCEL time, press the Timer SET button while aiming the remote control at the signal Press 2nd F button. SET receptor. Press the ON/OFF Timer buttons to turn Timer on or To cancel the timer ON off. OFF CANCEL setting Check if 2nd F icon is off. Press the Timer Cancel button while 4 Press the Time ET Setting buttons until the desired aiming remote control at the signal receptor. time is set. (The timer lamp on the display will go out.) air conditioner and the NOTE: Select one of the following four types of operation. with the unit Delay OFF Timer Delay ON Timer Delay running OFF and ON Timer Delay ON and OFF Timer Vertical Airflow Direction Control The up/down airflow (Vertical Airflow) adjusted by using the remote control. be can ENGLISH Note: If you press the CHAOS swing button, the horizontal airflow direction is changed automatically based on 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 a natural breeze. 1 Press the Press Chaos 2 Swing Always use the remote control to adjust the up/down airflow direction. Manually moving the vertical airflow direction louver by hand, could damage the air conditioner. button to start the unit. Start/Stop button and the louvers will swing When the unit is shut desired airflow direction. outlet vent of the up and down. Press the Chaos Swing button again to set the vertical louver at the off, the up/down airflow direction louver will close the air Horizontal Airflow Direction Control system. (Optional) The left/right(Horizontal Airflow) can be adjusted by using the remote control. Start/Stop button to start the unit. Open the door on the remote control. Press the Airflow Direction Start/Stop button and the louvers will swing left and right. Press the Horizontal Airflow Direction Control Button again to set the horizontal louver at the desired airflow Press the direction. Air Circulation Mode Circulates the 1 2 Press the Open room Start/Stop the door on air without cooling or button. the unit will heating. respond with beep. a the remote control. Press the Air Circulation button. Close the door remote control. Now each time that you press the Indoor Fan shifted from low to CHAOS and back to low CHAOS Air Fan speed Speed Selector, the fan on the speed is again. is on low. Fan speed is on medium. Fan speed is on high. Note: CHAOS Air economizes power consumption and automatically changed from high to low or vice versa, prevents overcooling. The fan speed is on the ambient temperature. depending 15 Auto Clean ? the door on the remote control. Press the Auto Clean Button. Close the door on the remote control. Now each time that you press the Open start/stop button, the Air conditioner operates clean function automatically. TroubleshtingpCadMcOISfyP 16 Display Luminosity ? The Display Luminosity can be adjusted by using the remote control. start/stop button to start the unit. Open the door on the remote control, press the 2ndF button and, press display luminosity button. Display will be dark. Press the button again to set bright display. Press the Forced Operation Operation procedures ENGLISH when the remote control can't be used. The operation will pressed. be started if the power button is If you want to the button. stop operation, re-press Power button Cooling Model Operating mode Indoor FAN Speed Setting Temperature Test Heat pump Model Room Temp. ≥ 24°C2 1 °C ≤ Room Cooling Cooling High High Healthy Temp. < 24°C Dehumidification High Room Temp. < 21°C Heating High 22°C2 2 °C2 3 °C2 4 °C operation the TEST OPERATION, the unit operates in cooling mode at high speed fan, regardless of temperature and resets in 18 minutes. During test operation, if remote controller signal is received, the unit operates as remote controller sets. During room If you want to use this operation, open the front for about 3 seconds. panel upward and Press the power button let it be pressed If you want to stop the operation, re-press the button. Auto restart In power failure, Auto Restarting Operation is the function to previous operating conditions. So there is no need of activating this function by pressing any key or button. In the initial mode, the fan operates at a low speed and the compressor starts 2.5~3minutes later. As the compressor starts, the fan speed also resumes its previous setting mode. case the power comes on again operate procedures automatically after a to the Helpful information Fan speed and cooling capacity. cooling capacity indicated in the specification is the value when the fan speed is set to high, and the capacity will be lower at low or medium fan speed. High fan speed is recommended when you wish to cool the room quickly. The High Speed 17 Care and maintenance of the air conditioner CAUTION: Before performing any maintenance, turn off the main power to the system. Indoor Unit 1 the Open upside of Front Panel Relocate dried air filters at the shade and then 5 close the panel. Air filters TroubleshtingpCadMcOISfyP 18 Front 2 panel Put up the Front panel. The hook of panel comes off. Never use any of the followings: ? Water hotter than 40°C ? Volatile substances Could Could cause deformation and/or discoloration. damage the surfaces of the air conditioner. Panel hook P owder Gasoline 3 Come down the panel and then remove air filters. 1. Lift the front slightly Air filters access forward to 2. Clean the filter with and panel remove a vacuum cleaner soapy water. If dirt is conspicuous, wash with ? detergent ? 4 Do cleaning by soft brush and cleaner. If it has hard pollution, wash by warm, solution of in lukewarm water. If hot water 3. After (40°C or more) is used, it may be washing with water, dry well in the shade. 4. Re-install the air filter. 1. After removing remove 2. Dip 3. Don't touch this PLASMA Filter within 10 seconds after opening the electric shock. inlet grille, it may the air filters, pull slightly forward to the PLASMA filter. the PLASMA filter into the water mixed with neutral cause an a or deformed. a vacuum water. the filter tab pull the filter. detergent, for 20~30minutes. Dry the PLASMA filter in the shade for a day (Especially, the humidity must be removed perfectly on this parts). 4. Note the cuts of electric discharge 5. Re-install the PLASMA filter to the lines. original position. Cleaning ? of Purifying Filter Recomended 1 use period Open the upside panel. : About 3 months of Front Put up the front panel. The hook of panel comes off. 2 3 Remove air filters and then pull out plasma ENGLISH filter Plasma filters Front 4 panel Put in Panel hook plasma filters in the detergent for 1~2 5 Relocate dried filters plasma neutral at the shade and then hours and then raise them. air filters. put in Outdoor Unit The heat exchanger coils and panel vents of the regularly. If clogged (Side) with dirt or soot, the heat exchanger and panel Air intake vents vents may be professionally steam cleaned. outdoor unit should be checked NOTE: (Rear) Piping Drain Hose Air outlet Dirty or clogged coils will reduce the operating efficiency of the system and higher operating costs. vents cause (Rear) (Rear) Air intake vents (Side) Piping Drain Hose Air intake vents (Side) Piping Drain Hose Air outlet vents Air outlet vents 19 When the air conditioner is not going to be used for a When air conditioner is not used for going to be When the air conditioner is to be used long time. a unit. (Refer to page TroubleshtingpCadMcOISfyP 20 This will dry 18 for cleaning filters.) out the internal mechanisms. Turn off the circuit the again. Clean the air filter and install it in the indoor Operate the air conditioner on Air circulation mode (Refer to page 15) for 2 to 3 hours. ? long time. breaker, and disconnect plug. Check that the air inlet and outlet of the CAUTION CAUTION indoor/outdoor unit are not blocked. 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 batteries from the remote control. Operation Tips Do not overcool the room. Keep blinds or curtains Keep the closed. This is not good for the electricity. health and wastes Do not let direct sunshine enter Adjust the horizontal airflow direction to room when the air operation. ensure a in the Make sure that the doors are Avoid doors and opening windows to keep as much shut as Clean the air filter regularly. tight. the cool air in the room. vertical and uniform temperature room. Ventilate the room occasionally. Blockages possible temperature the conditioner is in and windows room uniform. in the air filter Since windows reduces the airflow and lowers the cooling and dehumidifying effects. Clean at least every two weeks. once in it is are kept closed, idea to open them and ventilate the room now and a then. good Before you call for service... Troubleshooting Tips! Save ? Check the following points contact your dealer or before ? operate. ? a peculiar service.... If the fault ? odor. ENGLISH persists, please See page Have you made a mistake in timer operation? Has the fuse blown or has the circuit breaker been has or Explanation The air conditioner does not room requesting repairs money! service center. Case The time and tripped? - Check that this is not the 14 a damp walls, carpet, furniture, or smell exuded by cloth items in the - room. It is seems that condensation leaking ? from the air Condensation occurs when the airflow from the air conditioner cools the warm room air. - conditioner. Air conditioner does not operate for about 3 minutes ? This is the ? Wait about three minutes and when restarted. Does not cool or protector of the mechanism. operation will heat ? Is the air filter dirty? See air filter cleaning 18 instructions. effectively. ? Has the ? Are the indoor unit's air inlet temperature been set incorrectly? or The air conditioner is ? For a - noise that sounds like water -This is the sound of freon noisy. 7, 10 outlet vents obstructed? operation - begin. flowing flowing. inside the air conditioner unit. ? For noise that sounds like the compressed atmosphere. -This is the sound of the dehumidifying water being processed inside the air conditioning air a releasing into - unit. Remote control ? Are the batteries faint, ? Are the batteries inserted in the or no display is display at all. and Crack sound is heard. ? (-) depleted? opposite (+) 4 directions? This sound is generated by the expansion/constriction of the front panel, due to changes of temperature. etc. - 21 Memo 22 P/No.: 3828A20149Z After reading this manual, Printed in Korea keep it in a place easily accessible to the user for future reference.