OWNER’S MANUAL AIR CONDITIONER Please read this manual carefully before operating your set and retain it for future reference. TYPE : WALL MOUNTED P/NO : MFL39817410 http://www.lghvac.com www.lg.com...
Room Air Conditioner Ownerʼs Manual TABLE OF CONTENTS A. Safety Precautions ...3 B. Electrical Safety...6 Temporary Use of an Adapter ...6 Symbols used in this Manual...6 C. Product Introduction...7 Indoor Units ...7 Operation Indication Lamps ...7 Outdoor Unit ...7 D. Operating Instructions...8 How to insert the Batteries ...8 Wireless Remote Controller Maintenance...8...
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. ■...
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Safety Precautions Indoor/outdoor wiring connections must be secured tightly and the cable should be routed properly so that there is no force pulling the cable from the connection terminals. • Improper or loose connections can cause heat generation or fire. Be sure to check the refrigerant to the used.
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Do not use the product for special purposes, such as preserving foods, works of art, etc. It is a consumer air conditioner, not a precision refrigeration system. • There is risk of damage or loss of property. Do not touch the metal parts of the product when removing the air filter.
Electrical Safety Electrical Safety • This appliance must be properly grounded. To minimize the risk of electric shock, you must alway plug into a grounded oulet. • Do not cut or remove the grounding prong from the power plug. • Attaching the adapter ground terminal to the wall receptacle cover screw does not ground the appliance unless the cover screw is metal and not insulated, and the wall receptacle is grounded through the house wiring.
Product Introduction Here is a brief introduction of the indoor and outdoor units. Please see the information specific to your indoor unit type. Indoor Units Air discharge Front panel Signal receiver Operation Indication Lamps : Lights up during the system operation, error code and auto restart setting. On/Off Sleep mode : Lights up during sleep mode auto operation.(non-Inverter Model)
Operating Instructions Operating Instructions How to insert the Batteries 1. Remove the battery cover by pulling it according to the arrow direction. 2. Insert new batteries making sure that the (+) and (-) of battery are installed correctly. 3. Reattach the cover by sliding it back into position. NOTE 1.
Wireless Remote Controller The controls will look like the following. Signal transmitter CANCEL AUTO CLEAN Operation Mode Cooling Operation Auto Operation or Auto Changeover Healthy Dehumidification Operation Heating Operation • Cooling Model( ), Heat Pump Model( NOTE To use the functions printed in blue at the bottom of the buttons press 2 button.
Operating Instructions Operation Mode For cooling or heating operation set the desired indoor temperature by pressing the ROOM TEMPERATURE SETTING BUTTONS. For cooling the temperature can be set within 18°C~30°C (64°F~86°F) and for heating the temperature range is 16°C~30°C(60°F~86°F). Set the fan speed with the remote controller. You can select the fan speed in four steps-low, medium, high and CHAOS by pressing the INDOOR FAN SPEED SELECTOR BUTTON.
Healthy Dehumidification Operation During Healthy Dehumidification Operation ❏ If you select the dehumidification mode on the OPERATION MODE Healthy Dehumidification In this case, however, the setting temperature is not displayed on the remote controller and you are not able to control the room temperature either. ❏...
NEO PLASMA Purification Operation (Optional) Plasma filter is a technology developed by LG to get rid of microscopic contaminants in the intake air by generating a plasma of high charge electrons. This plasma kills and destroys the contaminants completely to provide clean and hygienic air.
Energy-Saving Cooling Mode (Optional) Energy-saving cooling mode can save energy in cooling and healthy dehumidification operation, because it can operate efficiently by setting body-adaptation time according to the change of time and temperature and adjusting automatically desired temperature. 1. Press the START/STOP BUTTON to start the unit. 2.
Operating Instructions Sleep Mode 1. Press the SLEEP MODE AUTO BUTTON to set the time when you want the unit to stop automatically. 2. The timer is programmed in one-hour increments by pressing the SLEEP MODE AUTO BUTTON 1 to 7 times. The sleep mode is available for 1 to 7 times.
Vertical / Horizontal Airflow Direction Control (Optional) The up/down airflow (Vertical airflow) can be adjusted by using the remote controller. 1. Press the START/STOP BUTTON to start the unit. 2. Press CHAOS SWING BUTTON. 3. The louvers will swing up & down automatically.
Maintenance and Service Maintenance and Service Before performing any maintenance, turn off the main power to the system, disconnect the circuit breaker and unplug the power cord. Indoor Unit Clean the unit with a soft dry cloth. Do not use bleach or abrasives. Never use any of these •...
How to use the front panel 1. Front panel closing Move the link upward and close the front panel. Outdoor Unit The heat exchanger coils and panel vents of the outdoor unit should be checked regularly. If clogged with dirt or soot, the heat exchanger and panel vents may be professionally steam cleaned.
Maintenance and Service Troubleshooting Tips! Save time and money! The air conditioner may be operating abnormally when: Problem Possible Causes ■ The air conditioner is unplugged. ■ The fuse is blown/circuit breaker is tripped. ■ Power failure. conditioner does not start ■...
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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 LG Customer Information Center 888-865-3026 USA, press #2 for PTAC, TTW...