LG LS090HEV Owner'S Manual Download Page 3

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table of contentS

Safety Instructions ................................................................................ 4

Unit Parts ................................................................................................ 7

Basic Components

Unit Operation ........................................................................................ 9

Remote Controller

Remote Controller, Indoor Unit

Basic Functions ................................................................................... 13

Cooling Operation - Adjusting the Air Flow (Swing) Direction

Timer Settings

Advanced Functions ........................................................................... 15

Jet Cool/Jet Heat Operation - Auto Changeover Operation

Energy Saving Operation - Auto Restart

Maintenance ......................................................................................... 17

Indoor Unit - Cleaning Intervals

Cleaning the Air Filter

Troubleshooting .................................................................................. 19

table of SyMbolS

This symbol indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.

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

moderate injury.

This symbol Indicates situations that may result in equipment or property damage accidents only.

This symbol indicates an action should not be completed.

DANGER

CAUTION

Summary of Contents for LS090HEV

Page 1: ...SIngle zone Mega and Mega 115V Wall Mounted Owner s Manual Single Zone Mega Wall Mount Systems LS090HEV LS120HEV LS180HEV LS240HEV LS090HXV LS120HXV ...

Page 2: ...cifications without notice LG Electronics U S A Inc 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 ...

Page 3: ...rvals Cleaning the Air Filter Troubleshooting 19 TABLE OF Symbols This symbol indicates an imminently hazardous situation which if not avoided will result in death or serious injury 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 m...

Page 4: ...ric shock and or damage 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 ...

Page 5: ...xplosion 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 preci sion refrigeration system Do not block the inlet or outlet of air flow because it may result explosion or product failure Installation Safety Do not install the air conditioner on an un...

Page 6: ...o do so may result in serious bodily injury 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 produc...

Page 7: ...e available outdoor and indoor units along with the factory provided controllers Table 1 Single Zone Mega Wall Mount System Pairing Table Outdoor Unit Model Indoor Unit Model Controller LSU090HEV LSU120HEV LSN090HEV LSN120HEV AKB73835305 LSU180HEV LSN180HEV AKB7385305 LSU240HEV LSN240HEV AKB73835305 Table 2 Single Zone Mega 115V Wall Mount System Pairing Table Outdoor Unit Model Indoor Unit Model ...

Page 8: ...asic layout of Single Zone Mega and Mega 115V Wall Mount systems when following operational maintenance or troubleshooting instructions in this manual Figure 1 Indoor Unit Basic Components The number of operation lamps and their locations may vary depending on the indoor unit model Air inlet Air filter Front panel Operation lamp Signal receiver ON OFF button Vertical louver Air outlet Horizontal v...

Page 9: ...mode Auto operation or auto changeover Dehumidifying mode Heating mode Fan Speed Button Adjusts the indoor fan speed by pressing repeatedly Also allows for natural air circulation when wavy arrow is displayed Note Mega 115V remote controller display will look slightly different Jet Mode Button Heating Cooling Rapid heating or cooling of indoor temperature Temperature heats or cools in a short peri...

Page 10: ...s enable the user to set the actual time as shown on the display screen N A 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 current time by using the buttons N A Up Down Directional Buttons Used in conjunction with other primary mode and operation buttons Once in desired mode user can press the Up...

Page 11: ...tach the battery cover Figure 4 Remote Controller Battery Cover Figure 5 Battery Placement If the display screen of the remote controller starts to fade replace the batteries When batteries are removed the temperature unit will be reset to Celsius as the default Installing the Remote Controller Holder Installation of the remote controller holder should be out of direct sunlight in order to protect...

Page 12: ...mote control towards the signal receiver located at the bottom right hand corner of the indoor unit refer to Figure 8 Make sure to point the remote control 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 th...

Page 13: ... for natural air The fan speed adjusts automatically Table 4 Fan Speed Levels Display Symbol Speed High Medium Low Natural Wind 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 humidity 1 On t...

Page 14: ...elect the minutes hours will scroll 3 Press when finished to exit the setting mode Setting an Automatic Off Time 1 Press on the remote controller The OFF icon will flicker to the right of the time display on the display screen 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 Sleep Mode Sleep mode is used ...

Page 15: ...temperature in either Celsius C or Fahrenheit F To adjust the screen display press and hold for 5 seconds 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 will be displayed on the remote control display screen Refer to Figur...

Page 16: ...depending on the model 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 opera tion mode will change depending on the room temperature Refer to Table 5 to determine what the set temperature will be based on the room t...

Page 17: ...enance to avoid electric shock 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 operational efficiency or increase energy costs Table 6 Maintenance and Cleaning Interval Instructions Item Cleaning Interval Cleaning Instructions Air Filter Every 2 weeks Refer to t...

Page 18: ...efer to Figure 15 Figure 15 Lifting Indoor Unit 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 16 Figure 16 Removing the 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...

Page 19: ...rvice center immediately LG Customer Information Contact the LG Service Center immediately if you experience issues listed in Table 7 LG Service Center LG Electronics USA 201 James Record Rd SW Huntsville AL 35824 888 865 3026 For USA calls Press 2 for Packaged Terminal Air Conditioners PTAC or Through the Wall products TTW Press 3 for Duct free Split Systems or Multi V Systems Call the installing...

Page 20: ...etting is wrong on the remote controller Check to see that the batteries are inserted with the correct terminals and Replace with new batteries The air conditioner does not generate cool air Air is not circulating properly Make sure that no curtains blinds or furniture are blocking the front of the air conditioner The air filter is dirty Clean the air filter once every 2 weeks Refer to the Air Fil...

Page 21: ... Power failure has occurred during air conditioner operation Auto restart is the default setting and the system is rebooting If you experience frequent power failures it is helpful to verify that the system is set to auto restart so the unit can power up quickly Air conditioner is still operating even after being shut down Auto clean mode is in operation This function removes the rest of the moist...

Page 22: ...ner produces water flowing noise Unusual odor emits from indoor unit 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 If the smell does not disappear clean the air filter If the odor persists after cleaning the air filter contact the installing contractor Table 8 Troubleshooting Wired Remote Controllers1 Is...

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Page 24: ...ning Division 11405 Old Roswell Road Alpharetta Georgia 30009 www lghvac com OL SZ Mega ALL 07 14 20001747 ISO 9001 2008 LG ELECTRONICS INC LG Electronics Commercial Products Support 1 888 865 3026 USA Follow the prompts for commercial A C products ...

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