ENGLISH OWNER’S MANUAL AIR CONDITIONER Please read this manual carefully before operating your set and retain it for future reference. CEILING CONCEALED DUCT Original instruction www.lg.
TABLE OF CONTENTS FOR YOUR RECORDS Safety Precautions.................3 Write the model and serial numbers here: Model # Prior to Operation ..................6 Serial # Maintenance and Service ......7 You can find them on a label on the side of each unit. Before you Call for Service..................................9 Dealer's Name Date Purchased n Staple your receipt to this page in the event you need to prove date of purchase or to issue warranty.
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. n Meanings of symbols used in this manual are as shown below.
Safety Precautions Do not turn on the breaker or power under condition that front panel, cabinet, top cover, control box cover are removed or opened. • Otherwise, it may cause fire, electric shock, explosion or death. Use a vacuum pump or Inert (nitrogen) gas when doing leakage test or air purge. Do not compress air or Oxygen and Do not use Flammable gases. Otherwise, it may cause fire or explosion. • There is the risk of death, injury, fire or explosion.
Safety Precautions 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. • Avoid personal injury.
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.
Maintenance and Service ENGLISH Maintenance and Service CAUTION: Before performing any maintenance, turn off the main power to the system. Grille, Case, and Remote Controller o Turn the system off before cleaning. To clean, wipe with a soft, dry cloth. Do not use bleach or abrasives. NOTICE Power supply must be disconnected before cleaning the indoor unit. Air Filters The air filters behind the front grille should be checked and cleaned once every 2 weeks or more often if neccessary.
Maintenance and Service When the air conditioner is not going to be used for a long time. When it is not going to be used for a long time. When the air conditioner is used again. Operate the air conditioner at the following settings for 2 to 3 hours. • Type of operation: Fan operation mode. • This will dry out the internal mechanisms. Turn off the breaker. Clean the air filter and install it in the indoor unit. (Refer to page 7 for cleaning it.
Maintenance and 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. • Check that this is not a damp smell exuded by the walls, carpet, furniture or cloth items in the room.
Indoor Unit
