Single zone HigH efficiency & Standard Wall MoUnted oWner`S
Contents
1. Auto clean mode is in operation This function removes the rest of the moisture from the indoor unit Ekz lefazdhistfanessed The auto operation jet cool or heat These modes do not allow you to adjust the fan speed Change J poe or dehumidifying mode is selected the indoor unit mode in order to adjust the fan speed These modes do not allow you to adjust the temperature Change the indoor unit mode in order to adjust the temperature Mist is discharge from the air outlet of the Cooled air from the indoor unit can form fine toomtemperature bwe td emis will stop tonne indoor unit a mist Cooled air from the air conditioner is Install a drain hose under the base pan and contact the Water leaks from the outdoor unit ke i forming mist installing contractor Wait until the auto clean mode has finished and then turn off this feature Air conditioner is still operating even after being shut down Air circulation or jet cool jet heat mode i Unable to adjust the temperature is selected Due to our policy of continuous product innovation some specifications may change without notification e LG 22 LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp TROUBLESHOOTING Table 7 Single Zone High Efficiency and Standard Systems Troubleshooting Continued Issue Cause Corrective Action Clicking noise during operation A clicking sound can be heard either whe2. Life s Good SINGLE ZONE HIGH EFFICIENCY 8 STANDARD WALL MOUNTED OWNER S MANUAL single Zone High Efficiency Systems LSO91HSV3 LS121HSV3 LS181HSV3 z LS240HSV3 GN Single Zone Standard Systems Ca LG OCA LS300HV3 se 4 A LS360HV3 a Se PROPRIETARY DATA NOTICE This document as well as all reports illustrations data information and other materials is the property of LG Electronics U S A Inc and are disclosed by LG Electronics U S A Inc only in confidence This document is for design purposes only OL SZ HighEffandStandard ALL O7 14 For continual product development LG Electronics U S A Inc reserves the right to change specifications without notice LG Electronics U S A Inc TABLE OF CONTENTS Safety INS AUC ANONS ii kan kak n te a kk kai a kk kt a ou ak a a n e ka 4 MAINTOM ANGE 0 ae ikid kan kif kabab isi Indoor Unit Cleaning Intervals Unit Parts EDE TE ET ET ED ET EE EE EE TE EE ET ET EE EE eee eee ee 7 Cleaning Filters Unit Operation EDE ET ET ET EE ET EE ET EE EE ET EE EE ET EE ELIE 9 Troubleshooting RW TEN SENTI ET FA NAS nT SO PAS IS W eee BISICEUACHONS onnimanni 13 Cooling Operation Adjusting the Air Flow Swing Direction Timer Setting Functionality Advanced FUA NON Sis kin kk it n e iv kk an kt ainsi 15 Jet Cool Jet Heat Operation Auto Changeover Operation Energy Saving Operation Auto Restart Smart AC Module TABLE OF SYMBOLS
3. This symbol indicates an imminently hazardous situation which if not avoided will result in death or serious DANGER niun A WARN l NG This symbol indicates a potentially hazardous situation which if not avoided could result in death or serious injury This symbol indicates a potentially hazardous situation which if not avoided may result in minor or A C AU TI O N moderate injury This symbol Indicates situations that may result in equipment or property damage accidents only So This symbol indicates an action should not be completed Single Zone High Efficiency and Standard Wall Mounted Owner s Manual SAFETY INSTRUCTIONS IMPORTANT Please read this manual completely before operating this product e Follow the instructions in this manual to prevent product malfunction property damage injury or death to the user or other people e Incorrect operation due to ignoring any instruction will cause harm or damage The level of seriousness is classified by the symbols described below A DANGER his symbol indicates an imminently hazardous situation which if not avoided will result in death or serious injury A WARNING This symbol indicates a potentially hazardous situation which if not avoided could result in death or serious injury A CAUTION This symbol indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury N O te This symbol Indicates situations that may res
4. please refer to the LG Smart AC User Manual LG Due to our policy of continuous product innovation some specifications may change without notification LG Electronics U S A Inc Englewood Cliffs Nu All rights reserved LG is a registered trademark of LG Corp 17 uonelado yun Single Zone High Efficiency and Standard Wall Mounted Owner s Manual MAINTENANCE Indoor Unit Cleaning Intervals Clean the product regularly to maintain optimal performance and to prevent possible breakdown Refer to Figure 15 for proper filter placement Refer to Table 6 for detailed instructions on maintenance Review all safety instructions at the front of this manual and adhere to all warnings and notes on this page before proceeding with maintenance Figure 15 Indoor Unit Filter Location Air filter Maintenance Precautions A WARNING Turn off power and unplug the cord before performing any maintenance to avoid electric shock Note Never use water that is hotter than 104 F 40 C when cleaning filters It may cause deforming warping or discoloration Never use volatile substances when cleaning filters They may damage the surface of the product Do not wash the 3M Micro Protection Filter with water Filter may be damaged The location and shape of the filter may vary depending on the model Be sure to clean the heat exchanger coils of the outdoor unit regularly Dirt collected in the coils may decrease the ope
5. Saving Operation Auto Restart Energy Saving Operation Cooling Placing the unit in energy saving mode minimizes power consump tion during cooling It increases the set temperature to the optimal level for a more comfortable environment 1 Press to turn on the indoor unit 2 Press repeatedly until the cooling symbol snowflake Sik is displayed on the remote controller display screen 3 Press esi to place unit into energy saving mode appears on the display screen Note During energy saving mode you could see a different display between the actual indoor unit and the remote controller display screen This does not mean that the unit is malfunctioning This function may not be available on all models Manual Operation Operating a Unit Without a Remote Controller If the remote controller is unavailable or inoperable i e it needs new batteries you can use the On Off button located on the indoor unit to activate the air conditioner Note The fan speed will be automatically set to high when manually operating the air conditioner from the wall unit 1 Open the front panel of the indoor unit by lifting both sides of the cover slightly as shown in Figure 11 Figure 11 Lifting the Indoor Unit Panel 2 Press the On Off button as shown in Figure 12 Figure 12 Indoor Unit On Off Button poust o mAN Sout TA ene yo ON OFF Note Your indoor unit may appear slight
6. bodily injury Maintenance A WARNING Do not use strong cleaning agents or solvents when you clean the air conditioner or spray water because it may result in serious bodi ly injury or product failure Make sure to use a smooth cloth when cleaning the product Due to our policy of continuous product innovation some specifications may change without notification LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp Note Follow the standards of the corresponding region or country for han dling the refrigerant and the air conditioner and for disassembling the air conditioner Failure to do so may result in product failure Do not mix the batteries for the remote controller with other types of batteries or mix new batteries with used batteries because it may result in product failure Remove the batteries when the remote controller is not in use for an extended period of time Failure to do so may result in product failure Filter must be installed before operating the air conditioner Failure to do so may result in product failure Do not place any objects on the air conditioner because it may re sult in product failure Do not let the air conditioner run for a long time when the humidity is very high or when a door or window has been left open because it may result in product failure Never touch the metal parts of the air conditioner whe
7. sure that no curtains blinds or furniture are blocking the Arisnotorcuatng properly front of the air conditioner Clean the air filter once every 2 weeks Refer to the Air Filter Cleaning Maintenance section for additional information In the summer it may take additional time to cool indoor air In this case select jet cool operation to cool the indoor air quickly Refer to Jet Cool Jet Heat Operation for additional information E Ensure cold air is not escaping through ventilation points in the The air conditioner does not generate Cold air is escaping from the room m djo i cool air The desired temperature is higher than Set the desired temperature to a level lower than the current the set temperature temperature Avoid using a heat generator such as an electric oven or gas There is a nearby heating source eu Lou burner while the air conditioner is in operation During air circulation operation air blows from the air Air circulation operation is selected conditioner without cooling or heating the indoor air Switch the operation mode to cooling operation Outside temperature is too high Air conditioner cooling capacity may not be sufficient to handle hot weather The air conditioner does not work Huljooyussjqnoiy The air filter is dirty The room temperature is too high LG Due to our policy of continuous product innovation some specifications may change without no
8. the cover slightly Refer to Figure 16 3 Remove the right side air filter as instructed in the Air Filter Cleaning Maintenance instructions 4 Remove the 3M Micro Protection Filter by popping it out of its Figure 16 Lifting Indoor Unit Front Panel holding tray within the unit Refer to Figure 18 1 Turn off the power and unplug the power cord 2 Open the indoor unit front cover by lifting up both sides of the cover slightly Refer to Figure 16 Figure 18 Removing the 3M Filter Front Panel 3 Grasp the knob tab at the bottom of the air filter lift up slightly and slide it from the indoor unit Refer to Figure 17 5 Use a vacuum cleaner to remove dirt from the filter Figure 17 Removing the Filter 6 Replace the filter by sliding it back into the holding tray Note Do not wash the 3M Micro Protection Filter with water It will damage the filter We suggest changing the 3M Micro Protection Filter once every 6 months The location of the filter may differ depending on the model Contact your installing contractor to obtain additional filters Filter Removal 3M Micro Protection Filter 4 Clean the filter with a vacuum cleaner or with warm water If the dirt is difficult to remove wash the filter in luke warm water with detergent 5 Completely dry the filter before placing it back into the unit 6 Replace the filter by sliding it back into the unit While grasping the bottom knob tab lower the f
9. wired remote controller or by using app software The remaining time for the automatic on off timer is not shown on the app software Wired remote controllers PARCVSLO QW or LG Programmable Thermostat PREMTB10U only sold in the US LG Due to our policy of continuous product innovation some specifications may change without notification LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp 23 Huljooyussjqnoiy Aan f CERTIFIED www ahridirectory org Intertek Unitary Small AC AHRI Standard 210 240 Certification applies only when the complete system is listed with AHRI ISO 9001 2008 LG ELECTRONICS INC LG Life s Good LG Electronics USA Inc LG Electronics Commercial Products Support Commercial Air Conditioning Division 1 888 865 3026 USA 11405 Old Roswell Road Follow the prompts for commercial A C products Alpharetta Georgia 30009 www lghvac com OL SZ HighEffandStandard ALL 07 14
10. 6 times Auto restart is now disabled Re enable Auto Restart 1 To re enable the auto restart function press and hold the On Off button for 6 seconds The indoor unit will beep twice and the light will blink 4 times Auto restart is now enabled Note This function may not be available on all models e If you press and hold the On Off button for 3 5 seconds instead of 6 seconds in other words a shorter duration the unit will be placed in test operation mode In test operation mode the unit blows out strong air for cooling for 18 minutes and then it returns to the factory default settings LG ADVANCED FUNCTIONS Smart AC Module LG Smart AC Module The Smart AC is an optional module with a mobile application which provides monitoring and remote control capabilities from a smart phone Figure 14 shows the typical configuration of the LG Smart AC Module with a Single Zone Wall Mounted System See below for Smart AC module system requirements Following minimum specifications are needed to successfully run the LG Smart AC app on a smartphone OS Android 2 3 or higher iOS 6 or higher e Resolution Android 320 x 480 or higher iOS 960 x 640 or higher Figure 14 Smart AC Module and App Tied to a Single Zone Wall Mounted System LG Smart AC Remote Home System Control WLAN Module r A 9 t T Wireless Network Internet LG Smart AC App For additional information on the Smart AC module
11. 8 LG CANADA 888 542 2623 Online product registration Due to our policy of continuous product innovation some specifications may change without notification LG 20 LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp TROUBLESHOOTING Table 7 Single Zone High Efficiency and Standard Systems Troubleshooting Issue Cause Corrective Action There is a burning smell and strange sound coming from the unit Water leaks Eoee ee the indoor unit even when the Eoee ee level is low Immediately turn off the air conditioner and contact your The power cord is Eo eman or generating installing contractor excessive Eo eman A switch a circuit breaker ee ground o a fuse is not operating ee The air conditioner will not turn on Ensure the power cord is plugged into the outlet Me pan A SANON Replace the fuse or check if the circuit breaker has tripped Turn off the air conditioner when a power failure occurs When A power failure has occurred the power is restored wait 3 minutes and then turn on the air conditioner The voltage is too high or too low Check if the circuit breaker has tripped The air conditioner turned off Press the power button automatically at a preset time Battery setting is wrong on the remote Check to see that the batteries are inserted with the correct terminals and controller Replace with new batteries 7 Make
12. Due to our policy of continuous product innovation some specifications may change without notification 14 LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp Setting Sleep Mode Sleep mode is used to automatically turn off the air conditioner at a set time It is a countdown timer and can be set for up to 7 hours ahead of the current time 1 Press to turn on the indoor unit 2 Press sure acer to initiate sleep mode settings 3 Press the up and down buttons V L gt to select the number of hours 4 Press E to exit the setting mode E22 appears on the display screen to signify the unit has been set Fs tess mode e Your display screen might appear slightly different depending on your model Nb m AS Note In cooling and dehumidifying mode the temperature increases by 1 8 F 1 C after 30 minutes and by an additional 1 8 F 1 C after another 30 minutes for a more comfortable sleep environment The temperature increases up to 3 6 F 2 C from the present temperature Cancelling Timer Settings 1 Press fis 2 Press a second time to cancel all timer settings Jet Cool Jet Heat Operation Rapid Cooling and Heating of Room Temperature This mode allows you to rapidly cool indoor air during summer months or warm indoor air during winter months 1 Press to turn on the indoor unit 2 Press to initiate jet mode N
13. Manual UNIT OPERATION Remote Controller Indoor Unit Initializing Remote Controller Operation To begin communication between the indoor unit and the remote control point the remote control towards the signal receiver located at the bottom right hand corner of the indoor unit refer to Figure 8 Note Figure 8 Initializing a Remote Control Make sure to point the remote controller directly at the indoor unit otherwise the remote may accidentally pick up a signal and activate and operate other electronic devices For optimum operation periodically use a soft cloth to wipe the signal transmitter on the remote control and the receiver on the indoor unit Jet mode in heating operation does not work when equipped with a wired remote controller e On Off reserve mode does not work when equipped with a wired remote controller Due to our policy of continuous product innovation some specifications may change without notification 12 LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp BASIC FUNCTIONS Cooling Operation Adjusting the Air Flow Swing Direction Cooling Operation 1 On the remote controller press to turn on the indoor unit 2 Press repeatedly until the cooling symbol snowflake 3k is displayed on the remote control display screen 3 Press the up and down arrow buttons A to increase or decrease currently displayed temperatu
14. d trademark of LG Corp Failure to carefully read and follow all instructions in this manual may result in equipment malfunction property damage personal injury and or death electric shock and or fire If the power cable shows wear such as scratches or outer skin is peeling off or deteriorated then it must be replaced Do not use a damaged power cord because it may result in electric shock and or fire Do not touch operate or repair the air conditioner with wet hands because it may result in electric shock or product failure Do not place a heater or other heat generating appliances near the power cable because it may result in electric shock and or fire Check that the power cord is not pulled or damaged while the air conditioner is operating Failure to do so may result in electric shock and or fire Do not place any objects on the power cord because it may result in electric shock or product failure Installation Safety Do not install the air conditioner on an unstable surface or where there is a danger of it falling because it may result in death serious injury and or product failure Contact an authorized service center when you install or relocate the air conditioner Failure to do so may result in serious injury and or product failure 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 conn
15. e up and down arrows A to select the desired nu merical operation code for cooling heating strength See the table in Figure 9 for a description of each numerical value Note During auto operation mode you cannot adjust the fan speed This function may not be available on models Figure 9 Auto Operation Screen with Code Descriptions gt im A Cool Maintain room temperature ak Heat slightly 2 Heat Auto Changeover Operation This function changes the operation mode automatically to maintain a set temperature of 3 6 F 2 C 1 Press to turn on the indoor unit 2 Press repeatedly to select auto operation fal will be displayed on the remote control display screen 3 Press the up and down arrows W A to select the desired temperature The temperature range is 64 4 F 18 C through 86 F 30 C 4 Press ga repeatedly as needed to adjust the fan speed Figure 10 Auto Changeover Display Note e Your screen display may look slightly different depending on your model e This function may not be available on all models Due to our policy of continuous product innovation some specifications may change without notification LG Electronics U S A Inc Englewood Cliffs Nu All rights reserved LG is a registered trademark of LG Corp 15 uonelado yun Single Zone High Efficiency and Standard Wall Mounted Owner s Manual ADVANCED FUNCTIONS Energy
16. ection terminals Improper or loose connections may cause heat generation or fire Install the panel and the cover of the control box safely Failure to do so may result in explosion or fire Do not install the air conditioner near a place with a danger of explo sion or fire because it may result in serious bodily injury or death Ensure that the pipe and the power cable which connect the indoor unit and the outdoor unit are not pulled tight when installing the air condition er Failure to do so may result in electric shock or product failure Do not mix air or gas in the system except for the specific refrigerant If air enters the refrigerant system it may result in excessively high pressure that may lead to personal injury or damage to the equipment e Safely dispose of packing materials such as screws nails or batter Usage A WARNING Use only those parts which are listed in the service parts list Never attempt to modify the equipment because that may result in death serious injury and or product failure e Discard the batteries in a safe manner and where there is no danger of excessive heat or fire Failure to do so may result in explosion or fire Contact an authorized service center when the air conditioner is submerged into water due to flooding Failure to do so may result in explosion or fire Only use components that are approved by the manufacturer and do not repair or modify them because that may res
17. idity 1 On the remote controller press to turn on the indoor unit 2 Press repeatedly until the dehumidifying symbol raindrop is displayed on the remote controller display screen Note When the indoor unit is in dehumidifying mode you cannot adjust the room temperature The temperature is being adjusted automatically e While in dehumidifying mode the display screen will not show the room temperature Adjusting the Air Flow Swing Direction 1 To adjust the direction of the air flow vertically press A repeatedly and select the desired position 2 Select A on the remote controller display screen to adjust the desired vertical position automatically 3 To adjust the horizontally air flow direction press repeatedly and select the desired position 4 Select AN on the remote controller display screen to adjust the desired horizontal position automatically Note e Some models may not support adjusting air flow direction Check your model to be sure it is an option When restarting the air conditioner it will remember the previously set air flow direction As a result the air deflector may not accurately reflect the icon displayed on the remote controller If this occurs press A or A to adjust the direc tion of the air flow once more Due to our policy of continuous product innovation some specifications may change without notification LG Electronics U S A Inc Englewood Cliffs Nu All r
18. ights reserved LG is a registered trademark of LG Corp 13 uoneladoO yun Single Zone High Efficiency and Standard Wall Mounted Owner s Manual BASIC FUNCTIONS Timer Setting Functionality Setting the Timer Single zone wall mount systems can be programmed through timer settings to turn the unit on and off at set times during the day and night This functionality allows you to save energy and utilize the air conditioner more efficiently Setting the Current Time 1 Press and hold aa for no longer than 3 seconds to initiate setting functionality e The AM PM icon will flicker at the bottom of the display screen AM INN EEH 2 Press the up and down buttons to scroll and then select the minutes hours will scroll 3 Press when finished to exit the setting mode Setting Air Conditioner On Time 1 Press On ou Jthe remote controller The ON icon will flicker to the right of the time display on the display screen ere AM C nne DUD 2 Press the up and down buttons W A to scroll and then select the minutes hours will scroll 3 Press when finished to exit the setting mode Setting Air Conditioner Off Time 1 Press Off er on the remote controller The OFF icon will flicker to the right of the time display on the display screen CAN em OUE 2 Press the up and down buttons V A to scroll and then select the minutes hours will scroll 3 Press Ek when finished to exit the setting mode
19. ilter back into the unit 7 Close the front panel of the indoor unit LG Due to our policy of continuous product innovation some specifications may change without notification LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp ooueu9juIeN Single Zone High Efficiency and Standard Wall Mounted Owner s Manual TROUBLESHOOTING Self diagnosis Function Single zone wall mount systems have a built in self diagnosis function If an error occurs the indoor unit lamp will blink in 2 second intervals If this occurs refer to Tables 7 Single Zone High Efficiency System Troubleshooting Steps and Table 8 Troubleshooting Wired Remote Controllers for initial troubleshooting steps lf the problem persists contact your local dealer or service center immediately LG Customer Information Contact the LG Service Center immediately if you experience issues listed in Tables 7 or 8 LG Service Center For USA calls Press 2 for Packaged Terminal Air Conditioners or Through the LG Electronics USA Wall products Mo an y Press 3 for Duct free Split Systems or Multi V Systems 888 865 3026 Call the installing contractor to initiate your product warranty Call the LG Service Center if service issues have not been addressed by the contractor LGECI LG Electronics Canada Inc 20 Norelco Drive North York Ontario M9L 2X6 Contact LGECI for all service issues in Canada Canada 88
20. it Basic Components Refer to Figure 1 and Figure 2 for the basic layout of the Single Zone High Efficiency and Standard systems when following operational maintenance or troubleshooting instructions in this manual Figure 1 Indoor Unit Basic Components Air inlet Note The number of operation lamps and their locations may vary depending on the indoor unit model Front panel On Off button Air filter Air outlet Air deflector Vertical louver amp Horizontal vane Figure 2 Outdoor Unit Basic Components Air inlet vents Connection wires G 2 MI TLL MLE VA 4 LA yf Refrigerant pipes A AAA ANL TEL H MII I SMLI LA VA Air outlet vents Base plate Drain hose Single Zone High Efficiency and Standard Wall Mounted Owner s Manual Due to our policy of continuous product innovation some specifications may change without notification LG 8 LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp Display screen Room Control CG TIMER C F 5SEC l panel EIL l I SET QJ LIGHT TIME 3SEC AJI ka OO LG Figure 3 Single Zone High Efficiency and Standard Remote Controller UNIT OPERATION Remote Controller Table 3 Remote Controller Operation Air Circulation Button Used to circulate the room air without cooling
21. ly different depending on the model Due to our policy of continuous product innovation some specifications may change without notification 16 LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp 3 Immediately close the front panel after pressing the On Off button as shown in Figure 13 Use both hands when closing the panel Figure 13 Closing the Indoor Unit Front Panel If your system is capable of both heating and cooling the operation mode will change depending on the room temperature Refer to Table 5 to determine what the set temperature will be based on the room temperature Table 5 Set Temperature Room Temperature Set Temperature Operation Mode Below 69 8 F T5 2 F Heating Operation Above 69 8 F but 73 4 F Dehumidifying below 75 2 F Operation Above 75 2 F 71 6 F Cooling Operation Note For cooling only models the temperature will be set at 71 6 F Auto Restart After a power failure the unit can be programmed to automatically restart reboot and remember the previous settings This function is a factory default setting but it can be disabled Disable Auto Restart 1 Open the front cover of the indoor unit by lifting up both sides of the cover slightly use two hands Refer to Figure 11 2 Press and hold the On Off button for 6 seconds Refer to Figure 12 The indoor unit will beep twice and the light will blink
22. n removing the air filter because it may result in serious bodily injury or product failure Use a sturdy stool or ladder when cleaning maintaining or repairing the air conditioner at a height Failure to do so may result in serious bodily injury or product failure UNIT PARTS The following tables show the available outdoor and indoor units along with the factory provided controllers Table 1 Single Zone High Efficiency System Pairing Table Outdoor Unit Model Indoor Unit Model Controller AKB73855712 a Mus EN N N x BQO IDB j Sa a 7 C o D LSU091HSV3 LSN091HSV3 LSU121HSV3 LSN121HSV3 PAN a Me N La ki SN Ly Z SSA SS eo LSU181HSV3 LSN181HSV3 AKB73855712 i ra al DOG O Go si 12 Ge rou o CO elal ic LSU240HSV3 LSN240HSV3 AKB73855713 e O Wa si D G ou o CQ eal 2D ic Table 2 Single Zone Standard System Pairing Table Outdoor Unit Model Indoor Unit Model Controller LSU300HV3 LSN300HV3 AKB73835313 LSU360HV3 LSN360HV3 Gee LG QO s c NOC EEE Ge 0 a lilo La 3 LG Due to our policy of continuous product innovation some specifications may change without notification LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp F sued HUN UNIT PARTS Indoor Unit and Outdoor Un
23. n the unit starts or stops due to movement of the reversing valve Creaking sound during operation The plastic parts of the indoor unit These are normal noises for the air conditioner as it shifts into make sounds due to shrinkage different modes of operation Once a mode is activated noise and expansion during sudden or vibration should stop temperature shifts Water flowing sounds Switching of the flow of refrigerant through the air conditioner produces water flowing noise A bad odor can emit from the indoor unit due to mustiness or cigarette odor being taken in by the indoor unit from the room it is located in Unusual noise or vibration during unit operation lf the smell does not disappear clean the air filter If the odor persists after cleaning the air filter contact the installing contractor Unusual odor emits from indoor unit Table 8 Troubleshooting Wired Remote Controllers Issue Corrective Action Directional buttons such as Up Down or Left Right do not function when selected on wired remote controller Directional swing buttons do not displa when selected ki the wired remote e If the air conditioner function is available active then the wired remote controller will be able to change the air conditioning operation mode Unable to select power heating on indoor unit Unable to set power heating on wired remote controller Not possible to set time for automatic on off operation with a
24. novation some specifications may change without notification LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp 9 Single Zone High Efficiency and Standard Wall Mounted Owner s Manual UNIT OPERATION Remote Control Table 3 Remote Controller Operation Continued 10 TIME 3SEC LIGHT Timer Buttons On Off Sets the clock timer to enable automatic start and stop times for air conditioner activity Set Clear Button Either sets commits a function or clears cancels a function When pressing and holding for 3 seconds or longer allows the user to set Up Down Directional Buttons Used in conjunction with other primary mode and operation buttons Once in desired mode user can press the Up and Down button to move forward or backward in selections For example these buttons can be used to set timer clock settings or brightness of the indoor unit display Due to our policy of continuous product innovation some specifications may change without notification LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp UNIT OPERATION Remote Controller Installing Remote Controller Batteries Figure 4 Remote Controller Battery Cover 1 Insert AAA batteries 1 5V before turning on the remote 2 Remove the battery cover from the back of the unit by pushing down the tab at the top of the cove
25. of air flow because it may result in explosion or product failure Due to our policy of continuous product innovation some specifications may change without notification LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp 5 suonon suj Ajajes Single Zone High Efficiency and Standard Wall Mounted Owner s Manual SAFETY INSTRUCTIONS Usage Continued A WARNING Do not insert hands or other objects through the air inlet or outlet while the air conditioner is operating because it may result in per sonal bodily injury or electric shock Do not expose people animals or plants to the cold or hot wind from the air conditioner because it may result in serious injury Do not drink the water drained from the air conditioner because it may result in serious health complications During maintenance be sure to turn the main power off when clean ing or repairing the air conditioner Failure to do so may result in death serious bodily injury and or product failure Do not recharge or disassemble the batteries because it may result in explosion fire or serious bodily injury Do not dispose of the batteries in fire It may result in explosion or fire Stop using the remote control if there is a battery fluid leak and if your clothes or skin is exposed to the battery fluid from a leak wash it off with clean water Failure to do so may result in serious
26. or heating Auto Cleaning Energy Saving Buttons Sets time related to special functions such as automatic cleaning and placing the unit into energy efficient cooling mode On Off Button Turns the remote controller power on off Temperature Adjustment Buttons Press up or down arrow temp buttons to adjust temperature during cooling or heating Display screen will show adjusted temperature Operation Mode Selection Button Cycles through the operation mode from top left symbols Cooling mode sk Auto operation or auto changeover ai Dehumidifying mode Heating mode 5 Fan Speed Button Adjusts the indoor fan speed by pressing repeatedly Also allows for natural air circulation when wavy arrow is displayed uoneladoO yun Jet Mode Button Heating Cooling Rapid heating or cooling of indoor temperature Temperature heats or cools in a short period of time Air Flow Direction Swing Buttons Adjusts the directions of air flow vertically or horizontally through louvers Room Temperature Display Button Displays the current room temperature Temperature value can be changed from C or F when button Is pressed and held for 5 seconds Sleep Mode Auto Button Pressing will activate sleep mode timer selection Pressing the allows you to select up to 7 hours prior to the unit automatically turning off Some functions may not be available on all models LG Due to our policy of continuous product in
27. ote In jet cool mode the unit operates at a setpoint of 64 4 F 18 C for a duration of 30 minutes In jet heat mode the unit operates at a setpoint of 86 F 30 C for a duration of 30 minutes Auto Clean Operation Indoor Air Purification While in cooling and dehumidifying mode the air conditioner generates moisture on the interior of the indoor unit The auto clean operation is used to remove this type of moisture Press to start dehumidifying operation zis displayed on the remote controller display screen Note e If the power is turned off the fan will operate for 30 minutes and will clean the inside of the indoor unit e Some buttons functionality will not operate while the system is in auto cleaning mode e This function may not be available on all models C F Screen Display Single zone wall mount systems can display the temperature in either Celsius C or Fahrenheit F To adjust the screen display press and hold for 5 seconds C F 5SEC ADVANCED FUNCTIONS Jet Cool Jet Heat Operation Auto Changeover Operation Auto Operation Cooling Models Only During this functionality the fan speed and the temperature adjust automatically based on the room temperature 1 Press to turn on the indoor unit 2 Press repeatedly to select auto operation e 4AN will be displayed on the remote controller display screen Refer to Figure 9 for additional information 3 Press th
28. r Refer to 1 on Figure 4 3 Lift battery cover off of the unit as shown on Figure 4 2 4 Insert the batteries following the and terminal indications inside the battery compartment Make sure batteries are securely in place Figure 5 5 Reattach the battery cover Note If the display screen of the remote controller starts to fade replace the batteries Figure 5 Battery Placement When batteries are removed the temperature unit will be reset to Celsius as the default Installing the Remote Controller Holder Note Installation of the remote controller holder should be out of direct sunlight inorder to protect the remote controller from heat exposure 1 Choose a safe and easily accessible place to attach the remote controller holder 2 Using a phillips head screwdriver insert and fasten the 2 screws into the holes at the base Figure 6 3 Gently wiggle the base to make sure that it is firmly attached to the wall Tight en the screws further if you feel the wall mount is still loose 4 Slide the remote controller vertically into the holder Figure 7 Figure 7 Holder Attachment gt LG Due to our policy of continuous product innovation some specifications may change without notification LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp 11 uonelado yun Single Zone High Efficiency and Standard Wall Mounted Owner s
29. rational efficiency or increase energy costs Table 6 Maintenance and Cleaning Interval Instructions Item Cleaning Interval Cleaning Instructions Every 2 weeks Refer to the Air Filter Cleaning Maintenance section on page 19 Refer to the Cleaning the 3M Micro Protection Filter section on Once a month page 19 Regularly Use a soft dry cloth Do not use bleach or abrasives Outdoor Unit Egoulai Use steam to clean the heat exchanger coils and the panel vents If gwany needed consult with a technician on proper outdoor unit care Due to our policy of continuous product innovation some specifications may change without notification e LG 18 LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp MAINTENANCE Cleaning Filters ve POOE E E O Do 3M Micro Protection Filter Cleaning lt Maintain a grip on the front panel at all times while removing fiter Maintenance gp P 9 Clean the indoor unit 3M Micro Protection Filter once a month or Air Filter Cleaning Maintenance more often if necessary The 3M Protection Filter is located behind ees the indoor unit s right hand side air filter Clean the indoor unit air filter at least once every 2 weeks or more D kid ee often if necessary Single zone wall mount systems have two filter 1 Turn off the power and unplug the power cord screens 2 Open the indoor unit front cover by lifting up both sides of
30. re Note The coolingtemperature range is 64 4 F 18 C 86 F 30 C Air Circulation Operation This mode circulates indoor air without changing the room temperature Note n The cooling lamp lights up in air circulation mode on the indoor unit 1 On the remote controller press to turn on the indoor unit 2 Press to activate air circulation operation The fan symbol Savill be displayed on the remote control display screen 3 Press to adjust the fan speed Adjusting the Fan Speed 1 Press repeatedly to adjust the fan speed See Table 4 for the various speed adjustments 2 Select for natural air The fan speed adjusts automatically Table 4 Fan Speed Levels Display Symbol High Stet tw pan Natural Wind gt ETTE Heating Operation 1 On the remote controller press to turn on the indoor unit 2 Press repeatedly until the heating symbol sun 3X is dis played on the remote control display screen 3 Press the up and down arrow buttons to increase or decrease currently displayed temperature Note The cooling temperature range is 60 8 F 16 C 86 F 30 C Cooling only models do not support this function Dehumidifying Operation In order to prevent mold this mode removes excess moisture from an environment with high humidity or during local rainy seasons This mode adjusts the room temperature and the fan speed auto matically to maintain the optimal level of hum
31. th direct exposure to sea water or sea wind salt spray because it may result in product failure Install the drain hose properly for smooth drainage of condensed water Failure to do so may result in product failure Do not touch the electrostatic filter after opening the front grill be cause it may result in electric shock or product failure For inner cleaning contact an authorized service center or a dealer Do not use harsh detergent that causes corrosion or damage on the unit because it may cause product failure fire and or electronic shock Disconnect power if there is a noise smell or smoke coming from the air conditioner Failure to do so may result in explosion or fire Ventilate room or area when air conditioner and a heating appliance such as a heater are used simultaneously Failure to do so may re sult in fire serious injury and or product failure Make sure that children do not climb up the outdoor unit or impact it Failure to do so may result in death bodily injury and or product failure If there is a gas leak ventilate area sufficiently before using the air conditioner again Failure to do so may result in explosion or fire Do not use the product for special purposes such as preserving foods works of art etc because it may result in death fire and or electric shock The product is a consumer air conditioner not a precision refrigeration system Do not block the inlet or outlet
32. tification LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registered trademark of LG Corp 21 Single Zone High Efficiency and Standard Wall Mounted Owner s Manual TROUBLESHOOTING Table 7 Single Zone High Efficiency and Standard Systems Troubleshooting Continued Corrective Action When heating mode is started bate se AN closed and air flow does This is normal operation for the unit During start up the unit is ARE preparing warm air Outdoor unit is operating but no warm The air conditioner does not generate ann warm air In heating mode ice frost is built up on the coils when the Outdoor unit is in defrost mode at the outside temperature falls im Defrost mode removes a layer of frost from the coil e Wait until this operation is completed It takes approximately 15 minutes Outdoor temperature is too low Heating capacity of the unit may not by sufficient to effectively warm air e Check to see if timer function has been set to turn off at a The air conditioner suddenly turns off designated time e Check timer settings and make adjustments as needed The air conditioner stops during operation wa e Auto restart is the default setting and the system is rebooting Power failure has occurred during air e If you experience frequent power failures it is helpful to verify conditioner operation that the system is set to auto restart so the unit can power up quickly
33. ult in electric shock and or product failure e Only use the refrigerant specified on the air conditioner label Failure to do so may result in explosion or fire Do not allow water to run into the air conditioner because it may result in explosion or fire Do not leave flammable substances such as gasoline benzene and other white spirits or solvents including thinner near the air condi tioner because it may result in explosion or fire and may result in bodily injury Do not use the air conditioner for an extended period of time in a small place without ventilation because it may result in explosion or fire Make sure to ventilate the space regularly SAFETY INSTRUCTIONS les in a packing bag after installation or repair Failure to do so may result in serious bodily injury Use caution when unpacking or installing the air conditioner Failure to do so may result in bodily injury or product failure When lifting or transporting the equipment there should be 2 or more people or a forklift Failure to do so may result in bodily injury Avoid exposure to leaking refrigerant which may occur during instal lation or repair Failure to do so may result in personal injury and or product failure If there is a refrigerant leak during the installation of the air condi tioner ventilate the area immediately Failure to do so may result in serious injury and or product failure Note Do not install air conditioner wi
34. ult in equipment or property damage accidents only S This symbol indicates an action should not be completed General Safety A WARNING Installation and repair must always be done by a qualified technician Installation MUST conform with local building codes or in the absence of local codes with the Nation Electrical Code NFPA 70 ANSI C1 1003 or current edition and Canadian Electrical Code Part1 CSA C 22 1 Power and Electrical Safety A WARNING e Immediately disconnect the product in the event of a blackout or thunderstorm Failure to do so may result in fire electric shock and or damage e Always insure proper equipment ground Failure to do so may result in electric shock and or product failure Be sure a circuit breaker is installed before using the air conditioner Failure to do so may result in electric shock and or product failure Do not connect the ground wire to a gas pipe a lightning rod or a telephone ground wire because it may result in electric shock and or product failure Use a standard circuit breaker and fuse conforming to the rating of the air conditioner Failure to do so may result in electric shock and or product failure Do not modify or extend the power cable because it may result in Due to our policy of continuous product innovation some specifications may change without notification LG Electronics U S A Inc Englewood Cliffs NJ All rights reserved LG is a registere
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