OWNER’S MANUAL AIR CONDITIONER Please read this manual carefully before operating your set and retain it for future reference. TYPE : WALL MOUNTED Applied Models : LS091HSV3 LS121HSV3 http://www.lghvac.com www.lg.com P/NO : MFL67502006...
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 READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE. • Do not place a heater or other heating appliances near the power cable. It may result in fire, electric shock, or product failure. • Make sure that the power cord is not pulled or damaged while the air conditioner is operating. Failure to do so may result in fire, electric shock, or product failure.
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IMPORTANT SAFETY INSTRUCTIONS READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE. • Unplug the power plug if there is a noise, smell or smoke coming from the air conditioner. Failure to do so may result in explosion or fire. • Make sure to ventilate sufficiently when this air conditioner and a heating appliance such as a heater are used simultaneously.
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IMPORTANT SAFETY INSTRUCTIONS • Remove the batteries when the remote control is not in use for an extended period of time. Failure to do so may result in product failure. • Make sure that the filter is installed before you operate the air conditioner. Failure to do so may re- sult in product failure.
TABLE OF CONTENTS TABLE OF CONTENTS TIPS FOR SAVING ENERGY ADVANCED FUNCTIONS Changing room temperature quickly IMPORTANT SAFETY Indoor air purification INSTRUCTIONS - Auto Clean operation Auto operation Auto Changeover operation BEFORE USE °C/°F Conversion Components Energy saving cooling mode Using the remote control Display screen brightness - Inserting batteries...
BEFORE USE BEFORE USE Components Indoor unit Air inlet ON/OFF button Front grille Operation lamp Signal Receiver Horizontal vane Air filter Air outlet Vertical louver * 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.
BEFORE USE Using the remote control You can operate the air conditioner more conveniently with the remote control. You will find the buttons for the additional functions under the cover of the remote control. Wireless remote control Control Display Description panel screen Fan button : Air come out from the in-...
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.
BASIC FUNCTIONS BASIC FUNCTIONS Cooling your room Removing humidity (Cooling operation) (Dehumidifying operation) Press to turn on the power. This mode removes excess moisture from an environment with high humidity or in the rainy Press repeatedly to select the cooling season, in order to prevent mold from setting operation.
BASIC FUNCTIONS Airing your room Adjusting the air flow direc- (Air Circulation operation) tion This mode only circulates the indoor air To adjust the direction of the air flow verti- cally, press repeatedly and select the without changing the room temperature. The desired direction.
BASIC FUNCTIONS Canceling the timer setting Press to select the minutes. Press to finish. Press - To cancel all timer settings, press Turning on the air conditioner auto- matically at a set time Setting sleep mode Press Use the sleep mode to turn off the air condi- tioner automatically when you go to sleep.
ADVANCED FUNCTIONS ADVANCED FUNCTIONS Indoor air purification The air conditioner offers some additional ad- vanced functions. Auto Clean operation Changing room temperature In the cooling and dehumidifying operations, moisture is generated inside the indoor unit. quickly Use the auto cleaning function to remove such moisture.
ADVANCED FUNCTIONS Auto operation Auto Changeover operation (Artificial intelligence) This mode changes the operation mode auto- matically to maintain the set temperature Cooling-only models at ±2°C. Press to turn on the power. In this mode, the fan speed and the tempera- ture adjust automatically, based on the room Press repeatedly to select the auto...
ADVANCED FUNCTIONS Energy saving cooling mode Operating the air conditioner without the remote control This mode minimizes power consumption dur- ing cooling and increases the set temperature You can use the On/Off button of the indoor to the optimal level for a more comfortable en- unit to operate the air conditioner when the vironment.
ADVANCED FUNCTIONS Restarting the air conditioner automatically When the air conditioner is turned on again after a power failure, this function restores the previous settings. This function is a factory de- fault setting. Disabling auto restart Open the front cover. - Lift up both sides of the cover slightly.
ADVANCED FUNCTIONS WLAN Connecting (optional) User Environment <Minimal Specifications> • OS: Android OS 4.0 or higher, iOS 6 or higher • Resolution : android 320 x 480 or higher, iOS 960 x 640 or higher Some functions may not operate, or a part of the screen may get fuzzy depending on the smart- phone.
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ADVANCED FUNCTIONS Sign up for a membership After sign up for a membership on the mobile App. or the web page (http://us.smartthinq.com), the mobile App. can be used. Choose USA as Your Touch the “Sign up.” Country. Enter the user registration After checking and agreeing to each user information to sign up for agreement, touch “Apply”...
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ADVANCED FUNCTIONS A confirmation email has been Once you click the “Confirm Email” button on your sent to your email address that email, sign up will be completed. you provided. Please press the “OK” button.
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ADVANCED FUNCTIONS Reference - The LG System Air Conditioning Control App can be searched with “LG Air Wizard” and downloaded from the “Google Play” and “App store”. - The wireless module can update the firmware automatically to improve the product’s per- formance.
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ADVANCED FUNCTIONS Registering the product A function to register an air conditioner on the server before using the mobile App. Entering the E-mail and the Touch the “Sign in” button. When registering the prod- Password. uct for the first time, a pop up will be activated.
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ADVANCED FUNCTIONS Reference ● Instruction to set registration mode • Press on the remote control for 3 seconds simultane- ously to set the registration mode on the air conditioner. • Once the registration mode is set, the Wi-Fi indicator blinks on the display of the body. •...
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ADVANCED FUNCTIONS iptime1 iptime2 iptime3 iptime4 iptime5 iptime6 iptime7 Once the product search is complete, a pop up to ask Please select a router that initialization of the product appears. you want to connect to. - If you want to initialize the product, please touch the “Ok” button. ❈...
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ADVANCED FUNCTIONS The product registration has been completed. Reference 1. • If more than two products are searched - The screen to connect to the product displays Select the network The password must be Please check the Mac Once the connection with the SSID.
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ADVANCED FUNCTIONS Reference 2. • When the network is not stable or using an App for an iPhone - The App on an iPhone does not support the automatic connection of Wi-Fi. Go to the Wi-Fi setting Retry the network connec- The password must be menu and select the net- tion by touching the...
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ADVANCED FUNCTIONS Reference 3. • Remember the SSID (service set identification) and password of the router that is used in your home. • The entry of the password is different according to the security method of the sharing device that the customer installed. •...
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2 Check the status of the wireless router or the router's password that is entered during the product registration. * Other details, please refer to the Online manual, The Online Manual is inside the LG Air Wizard App.
MAINTENANCE MAINTENANCE Clean the product regularly to maintain optimal performance and to prevent possible breakdown. * This may not be provided, depending on the model. 3M Micro Protection Filter Air filter * The feature can be changed according a type of model. Item Cleaning interval Cleaning method...
* The feature can be changed according a depending on the model. type of model. • If you need more filters, please contact the LG service center (Refer to the Clean the filter with a vacuum cleaner or warranty card) with warm water.
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.
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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”...
TROUBLESHOOTING Function of wired remote control Wall-mountable(PQRCVSL0(QW)) Exclusively for North America(PREMTB10U) • In indoor unit, when Up/Down and Left/Right Step, Left swing/Right swing is selected, it does not show up on the wired remote con- trol. • Not possible to select Up/Down and •...
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1. Please call the installing contractor of your product, as warranty service will be provided by them. 2. If you have service issues that have not been addressed by the contractor, please call 1-888-865-3026. CANADA Service call Number # : (888) LG Canada, 1-888-542-2623...