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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 : WALL MOUNTED
P/No.:MFL68042704
www.lg.com

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Summary of Contents for LG USNH1865NW0

  • Page 1 OWNER’S MANUAL AIR CONDITIONER Please read this manual carefully before operating your set and retain it for future reference. TYPE : WALL MOUNTED www.lg.com P/No.:MFL68042704...
  • Page 2 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: •...
  • Page 3: Important Safety Instructions

    SAFETY PRECAUTIONS 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...
  • Page 4 SAFETY PRECAUTIONS Operation • 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. Failure to do so may result in product failure. •...
  • Page 5 SAFETY PRECAUTIONS CAUTION Installation • Make sure to check if there is a refrigerant leak after you install or repair the air conditioner. Failure to do so 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.
  • Page 6: Table Of Contents

    TABLE OF CONTENTS TABLE OF CONTENTS 11 ADVANCED FUNCTIONS TIPS FOR SAVING ENERGY Jet Cool Operation Forced operation Sleep Mode IMPORTANT SAFETY Vertical/horizontal AirflowDirection INSTRUCTIONS Control (Optional) 14 MAINTENANCE BEFORE USE Components Cleaning the air filter Using the remote control Cleaning the 3M Micro Protection Filter (Optional) Inserting batteries...
  • Page 7: Before Use

    BEFORE USE BEFORE USE Components Indoor unit Air Inlet Front Panel ON/OFF Button Air Filter Signal Receptor * The feature can be changed according a type of model. NOTE The number of operation lamps and their locations may vary, depending on the model of the air conditioner.
  • Page 8: Using The Remote Control

    BEFORE USE Using the remote control You can operate the air conditioner more conveniently with the remote control. Wireless remote control Signal transmitter START/STOP BUTTON Used to turn off/on the unit. OPERATION MODE SELECTION BUTTON Used to select the operation mode. ROOM TEMPERATURE SETTING BUTTONS Used to select the room temperature.
  • Page 9: Inserting Batteries

    BEFORE USE Inserting batteries Fix the holder by fastening the 2 screws firmly with a screwdriver. Insert batteries before using the remote control. The battery type used is AAA (1.5 V). Remove the battery cover. Slide the remote control into the holder. Insert the new batteries and make sure that the + and - terminals of the batteries are installed correctly.
  • Page 10: Basic Functions

    BASIC FUNCTIONS BASIC FUNCTIONS Operation Mode Healthy Dehumidification Operation Press the to turn the unit on. The unit will respond with a beep. During Healthy Dehumidification Operation Open the door of the remote controller and If you select the Dehumidification mode on press the operation mode button.
  • Page 11: Advanced Functions

    ADVANCED FUNCTIONS ADVANCED FUNCTIONS Jet Cool Operation Jet cool function can be used to cool the room quickly in hot summer. When this function is turned on, the air conditioner runs in cooling operation mode with super high fan speed and 18 °C setting tempera- ture for 30 minutes for fast and effective cooling.
  • Page 12: Forced Operation

    ADVANCED FUNCTIONS Forced operation Forced operation is used when the remote controller can't be used. The operation will be started if the ON/OFF button is pressed. If you want to stop the operation, re-press the button. ON/OFF button Heat pump Model Cooling Model 21°C ≤...
  • Page 13: Sleep Mode

    BASIC FUNCTIONS Sleep Mode Vertical/horizontal Airflow Direction Control (Optional) Press the to set the time when you want the unit to stop automatically. Tue up/down airflow (Vertical airflow) can be adjusted by using the remote controller. The timer is programmed in one-hour in- crements by pressing the 1 to 7 times.
  • Page 14: Maintenance

    MAINTENANCE MAINTENANCE Clean the product regularly to maintain optimal performance and to prevent possible breakdown. * This may not be provided, depending on the model. Air filter * The feature can be changed according a type of model. Item Cleaning interval Cleaning method Air filter 2 weeks...
  • Page 15: Cleaning The Air Filter

    * The feature can be changed according a • If you need more filters, please contact type of model. the LG service center. (Refer to the warranty card.) Clean the filter with a vacuum cleaner or with warm water.
  • Page 16: Troubleshooting

    TROUBLESHOOTING TROUBLESHOOTING Self-diagnosis function This product has a built-in self-diagnosis function. If an error occurs, the lamp of the indoor unit will blink in 2 second intervals. If this occurs, contact your local dealer or service center. Before requesting service Please check the following before you contact the service center.
  • Page 17 TROUBLESHOOTING Problem Possible causes Corrective action Make sure that there are no curtains, Air is not circulating blinds or furniture blocking the front of the properly. air conditioner. Clean the air filter once every 2 weeks. The air filter is dirty. See “Cleaning Air Filter”...

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