LG D12TR Owner's Manual
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LG D12TR Owner's Manual

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OWNER'S MANUAL
AIR
CONDITIONER
Read this owner's manual thoroughly before operating the appliance and keep
it handy for reference at all times.
TYPE: WALL MOUNTED
www.lg.com
P/NO: 5401521201 rev.:
Copyright © 2018 LG Electronics Inc. All Rights Reserved.

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  • Page 1 OWNER'S MANUAL CONDITIONER Read this owner's manual thoroughly before operating the appliance and keep it handy for reference at all times. TYPE: WALL MOUNTED www.lg.com P/NO: 5401521201 rev.: Copyright © 2018 LG Electronics Inc. All Rights Reserved.

  • Page 2: Table Of Contents

    Using the Light Off Function (Optional) ..........25 Using the Comfort Air Function (Optional) ..........25 Using the Energy Control Function (Optional) ........26 Using Special Functions ...............26 SMART FUNCTIONS ............29 Using LG SmartThinQ Application ............29 MAINTENANCE ..............32 Clean the Air Filter ................34 TROUBLESHOOTING ............35...

  • Page 3: Safety Instructions

    SAFETY INSTRUCTIONS The following safety guidelines are intended to prevent unforeseen risks or damage from unsafe or incorrect operation of the appliance. The guidelines are separated into ‘WARNING’ and ‘CAUTION’ as described below. This symbol is displayed to indicate matters and operations that can cause risk.

  • Page 4: Important Safety Instructions

    IMPORTANT SAFETY INSTRUCTIONS WARNING To reduce the risk of explosion, fire, death, electric shock, injury or scalding to persons when using this product, follow basic precautions, including the following: Children in the Household This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a...
  • Page 5 •Do not install the air conditioner in a place where flammable liquids or gases such as gasoline, propane, paint thinner, etc., are stored. •Make sure that the pipe and the power cable connecting the indoor and outdoor units are not pulled too tight when installing the air conditioner.
  • Page 6 •Cut off the power supply if there is any noise, smell, or smoke coming from the air conditioner. •Do not leave flammable substances such as gasoline, benzene, or thinner near the air conditioner. •Contact an authorized service center when the air conditioner is submerged by flood waters.
  • Page 7 •Take care to ensure that power cable could not be pulled out or damaged during operation. •Do not touch refrigerant pipe, water pipe and any internal parts while the unit is operating or immediately after operation. Maintenance •Do not clean the appliance by spraying water directly onto the product.
  • Page 8 •The appliance shall be installed in accordance with national wiring regulations. •When the power cord is to be replaced, the replacement work shall be performed by authorized personnel using only genuine replacement parts. •This appliance must be properly grounded to minimize risk of electric shock.
  • Page 9 CAUTION To reduce the risk of minor injury to persons, malfunction, or damage to the product or property when using this product, follow basic precautions, including the following: Installation •Do not install the air conditioner in an area where it is directly exposed to sea wind (salt spray).
  • Page 10 •Make sure that the filter is installed before operating the air conditioner. •Be sure to check if there is a refrigerant leak after installing or repairing the air conditioner. •Do not place any object on the air conditioner. •Never mix different types of batteries, or old and new batteries for the remote control.

  • Page 11: Operation

    OPERATION Notes for Operation Suggestion for Energy Saving • Do not over-cool the space. This may be harmful for your health and may consume more electricity. • Block sunlight with blinds or curtains while you are operating the air conditioner. •...

  • Page 12: Wireless Remote Control

    Wireless Remote Control Operating Method Point the remote control towards the signal Inserting Batteries receiver at the right side of the air conditioner to operate it. If the display screen of the remote control begins to fade, replace the batteries. Insert AAA (1.5 V) batteries before using the remote control.
  • Page 13 Setting the Current Time Operating the Air Conditioner without the Remote Control Insert batteries. You can use the ON/OFF button of the indoor • The icon below blinks at the bottom of the unit to operate the air conditioner when the display screen.
  • Page 14 Using Wireless Remote Control You can operate the air conditioner more conveniently with the remote control. Display Description Button Screen To turn on/off the air conditioner. To adjust the desired room temperature in cooling, heating or auto changeover mode. To select the cooling mode. To select the heating mode.
  • Page 15 Display Description Button Screen To turn on/off air conditioner automatically at desired time. TIMER SET/ To set/cancel the special functions and CANCEL timer. To cancel the timer settings. CANCEL To adjust time. *LIGHT To set the brightness of the display on the indoor unit.
  • Page 16 Display Description Button Screen To purify the air by removing particles that enters the indoor unit. To reduce noise from outdoor units. To maintain a minimum room FUNC. temperature and prevent objects in the room from freezing. To remove moisture generated inside the indoor unit.

  • Page 17: Restarting The Air Conditioner Automatically

    Restarting the Air Conditioner Using the Mode Function Automatically This function allows you to select the desired function. When the air conditioner is turned on again after a power failure, this function restores the Cooling Only Model previous settings. Cooling Mode Disabling Auto Restart Open the front cover (Type2) or horizontal vane (Type1).
  • Page 18 Cooling Mode Auto Operation (Artificial Intelligence) Turn the appliance on. Cooling Only Model Press MODE button repeatedly to select the This mode automatically sets the fan speed and Cooling Mode. temperature depending on the room temperature. is displayed on the display screen. •...
  • Page 19 Auto Changeover Mode Dehumidification Mode This mode removes excess moisture from a Cooling & Heating Model highly humid environment or during the rainy season, in order to prevent mildew from setting This mode changes the mode automatically to in. This mode adjusts the room temperature and maintain the set temperature at ±2 °C the fan speed automatically to maintain the Turn the appliance on.
  • Page 20 Heating Mode Fan Mode This mode only circulates the indoor air without Turn the appliance on. changing the room temperature. Turn the appliance on. Press MODE button repeatedly to select the Heating Mode. Press MODE button repeatedly to select the is displayed on the display screen.

  • Page 21: Using The Jet Mode Function

    Using the Jet Mode Function NOTE • Jet Heating Mode is not available on some Changing Room Temperature models. Quickly • In Jet Cooling Mode, strong air blows out for 30 minutes. This function allows you to cool indoor air •...

  • Page 22: Using The Fan Speed Function

    Using the Fan Speed Using the Air Flow Direction Function Function This function adjusts the direction of the air flow Adjusting the Fan Speed vertically (horizontally). • Press FAN SPEED button repeatedly to adjust • Press ) button repeatedly and select the fan speed.

  • Page 23: Setting The On/Off Timer

    Setting the On/Off Timer Setting the Off Timer This function sets the air conditioner to turn on/ Press button repeatedly. off automatically at desired time. TIMER • The icon below blinks at the bottom of the display screen. Setting the On Timer Press button repeatedly.

  • Page 24: Using The Sleep Function (Optional)

    Using the Sleep Function Using the Simple Timer (Optional) Function (Optional) This function turns off the air conditioner This function turns off the air conditioner automatically when you go to sleep. automatically when you go to sleep. Turn the appliance on. Turn the appliance on.

  • Page 25: Using The Energy Display Function (Optional)

    Using the Energy Display Using the Light Off Function Function (Optional) (Optional) This function displays the amount of electricity Display Screen Brightness generated on the indoor display as the product You can set the brightness of the indoor unit operates. display screen.

  • Page 26: Using The Energy Control Function (Optional)

    Using the Energy Control Using Special Functions Function (Optional) Turn the appliance on. Turn the appliance on. Press FUNC button repeatedly to select the desired function. Press ENERGY CTRL button. • Press ENERGY CTRL button repeatedly to select each step. Press SET/CANCEL button to finish.
  • Page 27 Canceling Special Functions Using the Silent Function This function prevents potential claims by Press FUNC button repeatedly to select the neighbors, reducing noise from outdoor units. desired function. is displayed on the display screen. • Press SET/CANCEL button to cancel the function.
  • Page 28 Using the Low Heating Function This function operates the heating system to maintain a minimum room temperature and prevent objects in the room from freezing where there is no permanent resident, such as a vacation. • are displayed on the display screen. NOTE •...

  • Page 29: Smart Functions

    • For appliances with the logo manual. Check the distance between the appliance • LG SmartThinQ is not responsible for any and the wireless router (Wi-Fi network). network connection problems or any faults, malfunctions, or errors caused by network • If the distance between the appliance and connection.
  • Page 30 Installing LG SmartThinQ Open Source Software Notice Information Search for the LG SmartThinQ application from the Google Play Store or Apple App Store on a To obtain the source code under GPL, LGPL, smart phone. Follow instructions to download MPL, and other open source licenses, that is and install the application.
  • Page 31 Phone • For appliances with the logo Use this function if you need an accurate diagnosis by an LG Electronics customer information centre when the appliance malfunctions or fails. Smart Diagnosis™ can not be activated unless the appliance is connected to power. If the...

  • Page 32: Maintenance

    MAINTENANCE WARNING • Before cleaning or performing maintenance, disconnect the power supply and wait until the fan stops. If the air conditioner will not be used for an extended period of time, dry the air conditioner to maintain it in best condition. Clean the product regularly to maintain optimal performance and to prevent possible breakdown.
  • Page 33 Type Description Interval Air filter Clean with a vacuum or hand wash. 2 weeks Ionizer (Optional) Use dry cotton bud to remove any dust. Every 6 months Clean the Indoor unit surface by using a soft, dry cloth. Regularly Have a professional clean the condensate drain pan. Once a year Indoor unit Have a professional clean the condensate drain pipe.

  • Page 34: Clean The Air Filter

    Clean the Air Filter Push down hooks to assemble the air filter. Clean the air filters once every 2 weeks, or more, if necessary. NOTE • The air filter can be broken when it is bent. • When the air filter is not assembled correctly, Check the side of the front cover for correct dust and other substances can enter into the assembly of the air filter.

  • Page 35: 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 Calling for Service Please check the following before you contact the service center.
  • Page 36 Problem Possible Causes Corrective Action • Make sure that there are no curtains, Air is not circulating properly. blinds, or pieces of furniture blocking the front of the air conditioner. • Clean the air filter once every 2 weeks. The air filter is dirty. •...
  • Page 37 Problem Possible Causes Corrective Action • Allow the Auto Clean function to The indoor unit is continue since it removes any still operating even The Auto Clean function is remaining moisture inside the indoor when the unit has being operated. unit.
  • Page 38 • Find the Wi-Fi network connected to The password for the Wi-Fi your smartphone and remove it, then that you are trying to connect register your appliance on LG to is incorrect. SmartThinQ. • Turn off the Mobile data of your...
  • Page 39 Memo...

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