TABLE OF CONTENTS TABLE OF CONTENTS 3 SAFETY INSTRUCTIONS 17 SMART FUNCTIONS IMPORTANT SAFETY INSTRUCTIONS Smart Diagnosis 8 PRODUCT OVERVIEW 18 MAINTENANCE Exterior Parts Air Filter Interior Parts 19 TROUBLESHOOTING 9 INSTALLATION Before Calling for Service Circuit Breaker Installation Normal Sounds You May Hear Installation Overview 10 How to Install the Unit 10 Preparation of the Cabinet...
SAFETY INSTRUCTIONS SAFETY INSTRUCTIONS READ ALL INSTRUCTIONS BEFORE USE Your safety and the safety of others are very important. We have provided many important safety messages in this manual and on your appliance. Always read and follow all safety messages. This is the safety alert symbol.
SAFETY INSTRUCTIONS IMPORTANT SAFETY INSTRUCTIONS WARNING To reduce the risk of explosion, fire, death, electric shock, scalding or injury to persons when using this product, follow basic precautions, including the following: INSTALLATION ● Before use, the appliance must be properly installed as described in this manual. ●...
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Children should be supervised to ensure that they do not play with the appliance. ● The interior of the product must only be cleaned by a LG Electronics Customer Information Center or a dealer.
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SAFETY INSTRUCTIONS CAUTION To reduce the risk of minor or moderate injury to persons, malfunction, or damage to the product or property when using this product, follow basic precautions, including the following: INSTALLATION ● Take care when installing the product that exhaust or condensation does not damage nearby property.
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SAFETY INSTRUCTIONS REFRIGERANT (FOR R32 ONLY) WARNING ● Do not use means to accelerate the defrosting process or to clean, other than those recommended by the manufacturer. ● The appliance shall be stored in a room without continuously operating open flames (for example an operating gas appliance) and ignition sources (for example an operating electric heater).
PRODUCT OVERVIEW PRODUCT OVERVIEW Exterior Parts Interior Parts Control Panel Evaporator Remote Control Air Guide Control Box Air Filter Condenser Vertical Air Deflector (Horizontal Louver) Horizontal Air Deflector (Vertical Louver) Compressor Base Pan Air Inlet Front Grille Power Cord Cabinet Air Outlet...
INSTALLATION INSTALLATION Circuit Breaker Installation Read thoroughly and follow all directions provided. A circuit breaker must be installed between the power source and the unit if the plug is not used (see illustration below). Main Power source Circuit Breaker Use a circuit breaker or time delay fuse.
INSTALLATION How to Install the Unit Slide the unit from the cabinet by gripping the base pan handle and pulling forward while Measure the space for installation to assure a bracing the cabinet. good fit. The air conditioner must be installed firmly into place to prevent vibration and noise.
11 EN INSTALLATION Space for Outside Air Flow Installation of the Cabinet Prepare the hole in the wall so that the bottom of the unit is well supported, the top has minimum clearace and the air inlet louveres have clearance as shown. Holes AIR IN from the outside through to the cavity should be sealed.
INSTALLATION Installations of the unit into Connect the wire harness from the front grille assembly to the air conditioner. the Cabinet Slide the air conditioner into the case. Reinstall the 2 screws removed earlier on each side of the case. Screw Screw Attach the front grille assembly to the cabinet...
OPERATION 13 EN OPERATION Control Panel and Remote Control Remote Control Auto Clean(3 s) Light Off(3 s) NOTE ● The feature may be changed according to the type of model. Power Operation Mode Press to turn the air conditioner ON or OFF. Press the Mode button to cycle between 4 types of air conditioner operation: Energy Sleep Mode...
OPERATION Clean Filter Using the Light Off Function The Clean Filter LED lights up to notify you that the filter needs to be cleaned. After You can set the brightness of the control panel. Temp cleaning the filter, press ● Press Mode button on the remote control for together on the control panel to turn off the 3 seconds, or Clean Filter light.
OPERATION 15 EN Wireless Remote Control Inserting Batteries 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. Remove the cover on the back of the remote control.
OPERATION Ventilation Adjusting Vertical Airflow Direction Push the ventilation lever in to the closed position to maintain the best cooling performance. Pull the Touch the horizontal louvers to adjust the airflow up or down. ventilation lever out to open the vent and draw fresh air into the room.
Follow the instructions below to use the audible diagnosis method. This feature is only available on models with the logo. ● Launch the LG ThinQ application and select the Use this feature to help you diagnose and solve Smart Diagnosis feature in the menu. Follow problems with your appliance.
(outside of unit) should be checked periodically and cleaned if clogged with soot or dirt from outside air. ● For repair and maintenance, contact a LG Electronics Customer Service Hotline. Have your model number and serial number available.
TROUBLESHOOTING 19 EN TROUBLESHOOTING Before Calling for Service The appliance is equipped with an automatic error-monitoring system to detect and diagnose problems at an early stage. If the appliance does not function properly or does not function at all, check the following before you call for service.
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TROUBLESHOOTING Problem Possible Causes & Corrective Action The air conditioner is unplugged. • Make sure the air conditioner plug is pushed completely into the outlet. The fuse is blown/circuit breaker is tripped. • Check the house fuse/circuit breaker box and replace the fuse or reset Air conditioner does the breaker.
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TROUBLESHOOTING 21 EN Problem Possible Causes & Corrective Action The air conditioner is not tilted to the outside. Water drips indoors. • For proper water disposal, make sure the air conditioner slants slightly from the cabinet front to the rear. Moisture removed from air and drains into base pan.