OWNER’S MANUAL AIR CONDITIONER Please read this manual carefully before operating your set and retain it for future reference. TYPE : Ceiling Concealed Duct - Low Static P/NO : MFL42803021 http://www.lghvac.com www.lg.com...
Ceiling Concealed Duct – Low Static Type Indoor Unit Ownerʼs Manual TABLE OF CONTENTS Safety Precautions...3 Prior to Operation ...6 Operating Instructions...7 Name and Function of Remote Controller ...7 Maintenance and Service ...9 Before you Call for Service...11 Indoor Unit FOR YOUR RECORDS Write the model and serial numbers here: Model #...
Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. ■ 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.
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Safety Precautions 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.
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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. ■ Operation Do not expose the skin directly to cool air for long periods of time.
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.
Operating Instructions Name and function of wired remote controller(Optional) 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.
Operating Instructions Name and function of wired remote controller(Optional) PQWRCDF0 (Heat pump) PQWRHDF0 (Cooling only) Operation Mode Cooling Mode Auto Mode or Auto Changeover Dehumidification mode Heating Mode Fan Mode • Cooling Model( ), Heat Pump Model( Indoor Unit 1. Plasma button (optional) Used to start or stop the plasma-purification function.
Maintenance and Service CAUTION: Before performing any maintenance, turn off the main power to the system. Grille, Case, and Remote Control ❏ Turn the system off before cleaning. To clean, wipe with a soft, dry cloth. Do not use bleach or abrasives. NOTICE�...
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. Operate the air conditioner on Air circulation mode for 2 to 3 hours. •...
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 The room has a does not operate. peculiar odor. •...
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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, (888) 542-2623...