LG Multi Inverter System Indoor Unit Type: Ceiling Concealed Duct - Low Static IMPORTANT • Please read this owner's manual carefully and thoroughly before installing and operating your room air conditioner. • Please retain this owner's manual for future reference after reading it thoroughly.
Ceiling Concealed Duct – Low Static Type Indoor Unit Owner’s Manual TABLE OF CONTENTS FOR YOUR RECORDS Safety Precautions.................3 Write the model and serial numbers here: Model # Prior to Operation ..................6 Operating Instructions...........7 Name and Function of Remote Controller ..............................7 Serial # You can find them on a label on the side of each unit.
Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. n Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the following indications. WARNING This symbol indicates the possibility of death or serious injury. CAUTION This symbol indicates the possibility of injury or damage to properties only.
Safety Precautions n Operation Do not let the air conditioner run for a long time when the humidity is very high and a door or a window is left open. • Moisture may condense and wet or damage furniture. Do not plug or unplug the power supply plug during operation. • There is risk of fire or electric shock. Do not allow water to run into electric parts. • It may cause There is risk of fire, failure of the product, or electric shock.
Safety Precautions CAUTION n Installation Always check for gas (refrigerant) leakage after installation or repair of product. • Low refrigerant levels may cause failure of product. Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods. • It may cause a problem for your neighbors. Install the drain hose to ensure that water is drained away properly. • A bad connection may cause water leakage. Use two or more people to lift and transport the product.
Prior to operation Prior to Operation Preparing for operation 1. Contact an installation specialist for installation. 2. Use a dedicated circuit. Usage 1. 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. 2. Due to the possibility of oxygen deficiency, ventilate the room when used together with stoves or other heating devices. 3.
Operating Instructions Operating Instructions Name and function of wired remote controller(Optional) 1 2 3 9 4 10 5 11 6 12 7 13 8 14 15 • Wired remote controller: PQRCUSA1 1. Operation indication screen 2. Set temperature button 3. Wireless remote controller Receiver • Some kind of product could not receive wireless signal. 4. Ventilation button 5. Operation mode selection button 6. Sub-function button 7. Function setting button 8. Exit button 9. On/ Off button 10.
Operating Instructions Name and function of wired remote controller(Optional) 1. Plasma button (optional) Used to start or stop the plasma-purification function. 2. Jet cool button Speed cooling operates super high fan speed. 3. Operation mode selection button Used to select the operation mode. 8 4. Function setting button Used to set or clear auto clean or smart clean. 1 9 5. LCD luminosity button (optional) Used to adjust LCD luminosity 2 10 6.
Maintenance and Service Maintenance and Service CAUTION: Before performing any maintenance, turn off the main power to the system. Grille, Case, and Remote Control q Turn the system off before cleaning. To clean, wipe with a soft, dry cloth. Do not use bleach or abrasives. NOTICE q Never use any of the followings: • Water hotter than 40¡C Could cause deformation and/or discoloration. • Volatile substances Could damage the surfaces of the air conditioner.
Maintenance and Service When the air conditioner is not going to be used for a long time. When the air conditioner is to be used again. When it is not going to be used for a long time. n Check that the air inlet and outlet of the indoor/outdoor unit are not blocked. Operate the air conditioner on Air circulation mode for 2 to 3 hours. • This will dry out the internal parts. Turn off the circuit breaker.
Maintenance and Service Before you call for service... ? Troubleshooting Tips! Save time and money! Check the following points before requesting repairs or service.... If the malfunction persists, please contact your dealer. The air conditioner does not operate. The room has a peculiar odor. It seems that condensation is leaking from the air conditioner. Air conditioner does not operate for about 3 minutes when restart.
P/No.: MFL62183501 After reading this manual, keep it in a place easily accessible to the user for future reference.
