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OWNER’S MANUAL AIR CONDITIONER Please read this manual carefully before operating your set and retain it for future reference. TYPE : CEILING CASSETTE www.lg.com P/NO : MFL42763424...
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TIPS FOR SAVING ENERGY TIPS FOR SAVING ENERGY Here are some tips that will help you minimize the power consumption when you use the air conditioner. You can use your air conditioner more efficiently by referring to the instructions below: •...
IMPORTANT SAFETY INSTRUCTIONS IMPORTANT SAFETY INSTRUCTIONS READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE. Always comply with the following precautions to avoid dangerous situations and ensure peak performance of your product WARNING It can result in serious injury or death when the directions are ignored CAUTION It can result in minor injury or product damage when the directions are ignored WARNING...
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IMPORTANT SAFETY INSTRUCTIONS Operation • Take care to ensure that power cable could not be pulled out or damaged during operation. There is risk of fire or electric shock. • Do not place anything on the power cable. There is risk of fire or electric shock. •...
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IMPORTANT SAFETY INSTRUCTIONS CAUTION Installation • Always check for gas (refrigerant) leakage after installation or repair of product. Low refrigerant lev- els may cause failure of product. • Install the drain hose to ensure that water is drained away properly. A bad connection may cause water leakage.
TABLE OF CONTENTS TABLE OF CONTENTS TIPS FOR SAVING OWNER'S ENERGY INSTRUCTION Cooling Mode - Standard Operation Cooling Mode - Power Cooling IMPORTANT SAFETY Auto Operation Mode Dehumidification Mode INSTRUCTIONS Fan Mode Temperature Setting/ Room Temperature checking BEFORE USE Airflow Setting Plasma Purification(Optional) Preparing for operation Celsius/Fahrenheit Switching...
BEFORE USE BEFORE USE Preparing for operation - Contact an installation specialist for installation. - Use a dedicated circuit. Usage - Being exposed to direct airflow for an extended period of time could be hazardous to your health. Do not expose occupants, pets, or plants to direct airflow for extended periods of time. - Due to the possibility of oxygen deficiency, ventilate the room when used together with stoves or other heating devices.
PRODUCT INTRODUCTION PRODUCT INTRODUCTION Name and function of parts Indoor unit Outdoor unit Remote controller Inlet air Discharge air Refrigerant piping, connection electric wire Drain pipe Ground wire Wire to ground outdoor unit to prevent electrical shocks.
PRODUCT INTRODUCTION Operation Indication Lamps Forced operation : Operation procedures when remote control can’t be used. Defrost Mode : Lights up during defrost mode or hot start operation. (heat pump model only) Timer : Lights up during timer operation. Signal Receptor : Receives the signal from remote control (signal receiving sound: two short beeps and one long beep) Filter sign : Lights up after 2400 hours from the time of first operation.
PRODUCT INTRODUCTION Wireless Remote Controller This air-conditioner is equipped with wireless remote controller basically. But if you want to be available with wired remote controller, you pay for it. VANE ANGLE Button Used to set each vane angle. FUNCTION SETTING Button Used to set or clear Auto Clean, Smart Clean, Electric heater or Individual vane angle con- trol.
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PRODUCT INTRODUCTION CAUTION Caution of handling the Remote Controller - Aim at the signal receiver on the wired re- mote controller so as to operate. - The remote control signal can be received at a distance of up to about 7 m. - Be sure that there are no obstructions be- tween the remote controller and the sig- nal receptor.
OPERATING INSTRUCTION OPERATING INSTRUCTION How to insert the Batteries Wireless Remote Controller Maintenance Remove the battery cover by pulling it accord- ing to the arrow direction. Choose a suitable place where its safe & easy Insert new batteries making sure that the (+) to reach.
INSTALLATION INSTRUCTIONS INSTALLATION INSTRUCTIONS Installer Setting - How to enter installer setting mode CAUTION Installer setting mode is to set the detail function of the remote controller. If the installer setting mode is not set correctly, it can cause problems to the product, user injury or property damage.
INSTALLATION INSTRUCTIONS Installer Setting - Installer Setting Code Table Installer Setting Code Table Function Function Code Setting Value Remote Controller LCD 0 : Set to Master Mode Override 1 : Set to Slave 1 : Standard 2 : Low Ceiling Height Selection 3 : High 4 : Super High...
INSTALLATION INSTRUCTIONS Installer Setting - Setting Address of Central Control With the MODE button pressed, press the RESET button. By using the temperature setting button, set the indoor unit address. • Setting range : 00 ~ FF After setting the address, press the ON/OFF button toward the indoor unit 1 time.
OWNER'S INSTRUCTION OWNER'S INSTRUCTION Cooling Mode - Cooling Mode - Power Cooling Standard Operation Press the ON/OFF button. Press the ON/OFF button. The unit will respond with beep sound. The unit will respond with beep sound. Press MODE button to select Cooling Press MODE button to select Cooling Mode.
OWNER'S INSTRUCTION Auto Operation Mode ❈ Please select the code depend on your feeling. Code Feel Cold Slightly cool Neutral Slightly warm Warm During Auto Operation Mode - If the system is not operating as de- sired, manually switch to another mode. The system will not automatically switch from the cooling mode to the heating mode, or from heating to cool-...
OWNER'S INSTRUCTION Dehumidification Mode During Dehumidification Mode - If you select the dehumidification mode on the operation selection button, the indoor unit starts to run the dehumidifi- cation function, automatically setting the room temp. and air volume to the best condition for dehumidification based on the sensed room temp.
OWNER'S INSTRUCTION Fan Mode Natural Wind by the chaos Logic - For more fresh feeling than other fan speed, press the Indoor Fan Speed Se- lector and set to chaos mode. In this mode, the wind blows like natural breeze by automatically changing fan speed according to the chaos logic.
OWNER'S INSTRUCTION Temperature Setting/Room Temperature checking We can simply adjust the desired tem- perature - Press the buttons to adjust the desired temperature : Increase 1 °C or 1 °F per one time pressing : Decrease 1 °C or 1 °F per one time pressing Room temp: Indicate the current room temperature...
OWNER'S INSTRUCTION Airflow Setting Up/Down Airflow Direction Control (Optional) The up/down airflow (Vertical Airflow) can be adjusted by using the remote controller. Press the ON/OFF button to start the unit. Press up/down airflow button and the louvers will swing up and down. Press the up/down airflow button again to set the vertical louver at the desired airflow direc- tion.
Press the PLASMA button. Plasma Purifi- - Plasma filter is a technology developed by cation will start when the button is LG to get rid of microscopic contaminants in pressed and stop when the button is the intake air generating a plasma of high pressed again.
OWNER'S INSTRUCTION Individual vane angle control It is the function that can control 4 vane an- Press SET/CLEAR button to reserve or gles individually in the ceiling type 4Way cas- cancel the individual vane angle control sette product group. function. - There may be differences between wireless remote controller up/down/left/right buttons and the wind...
OWNER'S INSTRUCTION Timer Setting the Current Time Press the SET/CLEAR button for 3 seconds. Press TIME SETTING buttons until the desired time is set. Press the SET / CLEAR button. NOTE Check the indicator for A.M. and P.M. Timer Setting Press the TIMER button to turn timer on or off.
MAINTENANCE AND SERVICE MAINTENANCE AND SERVICE Indoor Unit Remove the Air filters. Take hold of the tab and pull slightly forward Grille, Case and Remote Control to remove the filter. - Turn the system off before cleanining, To clean, wipe with a soft, dry cloth. Do not use CAUTION bleach or abrasives.
MAINTENANCE AND SERVICE Purifying filter(Optional) Open front panel and remove air filter. Cleaning The PLASMA filter behind the air filters should be checked and cleaned once every 3 months or more often if necessary. Remove air purifying filter. Insert new air purifying filter. After removing the air filters, pull slightly for- ward to remove the PLASMA filter.
MAINTENANCE AND SERVICE Operation Tips! Do not overcool the room. Keep blinds or curtains closed. Keep the room temperature uniform. This is not good for the health Do not let direct sunshine and wastes electricity. enter the room when the air Adjust the vertical and hori- conditioner is in operation.
MAINTENANCE AND SERVICE Troubleshooting Tips! Save time and money! Check the following points before requesting repairs or service..If the malfunction persist, please contact your dealer. The air conditioner The room has a pecu- It seems that conden- Air conditioner does does not operate.
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Specifications. Max. Model Voltage / Hz Current ATNQ18GPLE5, ATNQ18GQLE5, ATNQ24GPLE5, ATNQ24GQLE5 220 V~ 50/60 Hz 0.6 A ATNQ36GPLE5, ATNQ48GMLE5, ATNQ54GMLE5 220 V~ 50/60 Hz 1.0 A AUUQ18GH2 (ATUQ18GPLE5), ATUQ18GQLE5 220 V~ 50/60 Hz 12.0 A AUUQ24GH2 (ATUQ24GPLE5), ATUQ24GQLE5 220 V~ 50/60 Hz 14.0 A...
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ATNQ36GPLE5, ATNQ48GMLE5, ATNQ54GMLE5 AUUQ18GH2 (ATUQ18GPLE5), ATUQ18GQLE5 AUUQ24GH2 (ATUQ24GPLE5), ATUQ24GQLE5 AUUQ36GH2 (AUUQ36GPLE5), AUUQ48GH2 (ATUQ48GMLE5) AUUQ54GH2 (ATUQ54GMLE5) LG Electronics México, S.A. de C.V Sor Juana Inés de la Cruz No. 555 Col. San Lorenzo Industrial Tlalnepantla de Baz, Estado de México C.P. 54033 TEL.