ENGLISH OWNER'S MANUAL AIR CONDITIONER Read this owner's manual thoroughly before operating the appliance and keep it handy for reference at all times. This manual is the simplified version of original manual. You can obtain the original manual from www.lg.com. TYPE : WALL MOUNTED Original instruction MFL69598507 Rev.00_112017 www.lg.com Copyright © 2017 LG Electronics Inc. All Rights Reserved.
TABLE OF CONTENTS This manual is produced for a group of products and may contain images or content different from the model you purchased. This manual is subject to revision by the manufacturer. SAFETY INSTRUCTIONS........................................ 3 IMPORTANT SAFETY INSTRUCTIONS.................................................. 4 OPERATION.............................................................. 9 Notes for Operation............................................................................
ENGLISH SAFETY INSTRUCTIONS The following safety guidelines are intended to prevent unforeseen risks or damage from unsafe or incorrect operation of the appliance. The guidelines are separated into ‘WARNING’ and ‘CAUTION’ as described below. This symbol is displayed to the indicate matters and operations that can cause risk. Read the part with this symbol carefully and follow the instructions in order to avoid risk.
IMPORTANT SAFETY INSTRUCTIONS WARNING To reduce the risk of explosion, fire, death, electric shock, injury or scalding to persons when using this product, follow basic precautions, including the following: Installation ••Do not install the air conditioner on an unstable surface or in a place where there is danger of it falling. ••Contact an authorized service center when installing or relocating the air conditioner. ••Install the panel and the cover of the control box safely.
ENGLISH Operation ••Be sure to use only those parts listed in the service parts list. Never attempt to modify the equipment. ••Make sure that children do not climb on or hit the outdoor unit. ••Dispose of the batteries in a place where there is no danger of fire. ••Use only the refrigerant specified on the air conditioner label. ••Cut off the power supply if there is any noise, smell, or smoke coming from the air conditioner.
Maintenance ••Do not clean the appliance by spraying water directly onto the product. ••Before cleaning or performing maintenance, disconnect the power supply and wait until the fan stops. Technical Safety ••Installation or repairs made by unauthorized persons can pose hazards to you and others. ••The information contained in the manual is intended for use by a qualified service technician who is familiar with the safety procedures and equipped with the proper tools and test instruments.
ENGLISH CAUTION To reduce the risk of minor injury to persons, malfunction, or damage to the product or property when using this product, follow basic precautions, including the following: Installation ••Do not install the air conditioner in an area where it is directly exposed to sea wind(salt spray). ••Install the drain hose properly for the smooth drainage of water condensation. ••Exercise caution when unpacking or installing the air conditioner.
••Stop using the remote control if there is a fluid leak in the battery. If your clothes or skin are exposed to the leaking battery fluid, wash off with clean water. ••Do not expose people, animals, or plants to the cold or hot wind from the air conditioner for extended periods of time. ••If the leaking battery fluid has been swallowed, wash off the inside of the mouth thoroughly and consult a doctor. ••Do not drink the water drained from the air conditioner.
ENGLISH OPERATION Notes for Operation Suggestion for Energy Saving •• Do not cool excessively indoors. This may be harmful for your health and may consume more electricity. •• Block sunlight with blinds or curtains while you are operating the air conditioner. •• Keep doors or windows closed tightly while you are operating the air conditioner. •• Adjust the direction of the air flow vertically or horizontally to circulate indoor air.
Wireless Remote Control Inserting Batteries Operating method Point the remote control towards the signal receiver at the right side of the air conditioner to operate it. 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. 1 Remove the battery cover. NOTE 2 Insert the new batteries and make sure that the + and - terminals of the batteries are installed correctly.
Setting the Current Time Insert batteries. •• The icon below blinks at the bottom of the display screen. You can use the ON/OFF button of the indoor unit to operate the air conditioner when the remote control is unavailable. 2 Press 3 Press SET/CANCEL button to finish. or button to select the minutes. 1 Open the front cover (Type1) or horizontal vane(Type2). 2 Press the ON/OFF button. Type1 NOTE ON/OFF •• The On/Off Timer is available after setting the current time.
Using Wireless Remote Control You can operate the air conditioner more conveniently with the remote control. Available Function Button 2 ○ To adjust the desired room temperature in cooling, heating or auto changeover mode. ○ FAN SPEED To select the cooling mode. ○ JET MODE To select the dehumidification mode. ○ To select the fan mode. ○ To select the auto changeover/auto operation mode. ○ To change room temperature quickly. ○ To adjust the fan speed.
Available Function 2 Display Screen SET/ * * CANCEL CANCEL FAN SPEED MODE TEMP * JET MODE SWING ℃↔℉ [5 s] FUNC. *LIGHT 1 kW [3 s] SWING SET UP ROOM TEMP DIAGNOSIS [5 s] OFF ○ - To set/cancel the special functions and timer. ○ - To cancel the timer settings. ○ - To adjust time. ○ - To set the brightness of the display on the indoor unit. ○ To display the room temperature. ○ To change unit between °C and °F. ○ To adjust the air flow to deflect wind.
Available Function Button 2 * * To purify the air by removing particles that enters the indoor unit. FUNC. FAN SPEED MODE TEMP * JET MODE SWING ℃↔℉ [5 s] FUNC. TIMER RESET 1 kW [3 s] SWING SET UP ROOM TEMP DIAGNOSIS [5 s] SET CANCEL - Multi ○ (Optional) To reduce noise from outdoor units. × To remove moisture generated inside the indoor unit. ○ To Initialize the remote control settings. ○ NOTE •• Some functions may not be supported, depending on the model.
When the air conditioner is turned on again after a power failure, this function restores the previous settings. Using the Mode Function ENGLISH Restarting the Air Conditioner Automatically This function allows you to select the desired function. Cooling Mode Disabling Auto Restart 1 Open the front cover (Type1) or horizontal vane(Type2).
Dehumidification Mode Fan Mode This mode removes excess moisture from a highly humid environment or during the rainy season, in order to prevent molding from setting in. This mode adjusts the room temperature and the fan speed automatically to maintain the optimal level of humidity. This mode only circulates the indoor air without changing the room temperature. 1 Turn the appliance on. 2 Press MODE button repeatedly to select the Dehumidification Mode. •• is displayed on the display screen.
Using the Jet Mode Function This function allows you to cool indoor air quickly during the summer or warm it quickly during winter. •• The Jet Mode function is available with Cooling, Heating and Dehumidification Mode. 1 Turn the appliance on. 2 Press MODE button repeatedly to select the desired mode. 3 Press JET MODE button.
Using the Air Flow Direction Function This function adjusts the direction of the air flow vertically (horizontally). •• Press SWING ( SWING ) button repeatedly and select the desired direction. −− Select ( ) to adjust the direction of the air flow automatically. Setting the On/Off Timer This function sets the air conditioner to turn on/off automatically at desired time. Setting the On Timer 1 Press TIMER button repeatedly. •• The icon below blinks at the bottom of the display screen.
Setting the Off Timer Press TIMER button repeatedly. •• The icon below blinks at the bottom of the display screen. 2 Press 3 Press SET/CANCEL button to finish. or This function turns off the air conditioner automatically when you go to sleep. 1 Turn the appliance on. 2 Press 3 4 NOTE TIMER button repeatedly. •• The icon below blinks at the bottom of the display screen. button to select the minutes.
Using the Simple Timer Function(Optional) Using the Energy Display Function(Optional) This function turns off the air conditioner automatically when you go to sleep. 1 Turn the appliance on. This function displays the amount of electricity generated on the indoor display as the product operates. 2 Press Display the Current Energy Usage TIMER button repeatedly. •• The icon below blinks at the bottom of the display screen. 1 Turn the appliance on.
Using the Comfort Air Function(Optional) Display Screen Brightness Comfort Vane Operation You can set the brightness of the indoor unit display screen. This function conveniently sets the vane to a preset position to deflect the supply air away from blowing directly onto the occupants in the room. •• Press LIGHT OFF button. 1 Turn the appliance on. 2 Press COMFORT AIR button repeatedly and select the desired direction.
Using the Energy Control Function(Optional) Using Special Functions Turn the appliance on. 1 1 Turn the appliance on. 2 2 Press ENERGY CTRL button. Press FUNC button repeatedly to select the desired function. 3 Press SET/CANCEL button to finish. •• Press ENERGY CTRL button repeatedly to select each step. NOTE •• 1 step : The power Input is decreased by 20% compared to rated power input. −− is displayed on the display screen.
Canceling Special Functions Description To purify the air by removing particles that enters the indoor unit. Press FUNC button repeatedly to select the desired function. 2 Press SET/CANCEL button to cancel the function. ENGLISH Display Screen 1 To reduce noise from outdoor units. To remove moisture generated inside the indoor unit. NOTE •• Some functions may not be supported, depending on the model. •• Some functions may operate differently from the remote control display.
Using the Silent Function This function prevents potential claims by neighbors, reducing noise from outdoor units. •• is displayed on the display screen. NOTE •• This function is disabled when you press MODE or ENERGY CTRL or JET MODE button. •• This function is available with Cooling, Heating, Auto Changeover, Auto Operation Mode. •• When connected to the Multi Outdoor unit, this function may not be supported.
UsingUsing LG SmartThinQ LG SmartThinQ Application Application ENGLISH SMART FUNCTIONS NOTE NOTE • To verify Wi-Fi check that • Tothe verify theconnection, Wi-Fi connection, check that Wi-Fi Wi-Fi icon on icon the control lit. is lit. on the panel controlispanel supportssupports 2.4 GHz2.4 Wi-Fi Things to check beforebefore usingusing LG LG• The appliance • The appliance GHz Wi-Fi Things to check networks only. To check your network networks only.
Installing LG SmartThinQ Installing LG SmartThinQ Using Using the Application the Application appliance in the application and Search Search for the LG SmartThinQ application from from Select the appliance in the application and 1 Select for the LG SmartThinQ application 1 the it to a Wi-Fi the Google Play Store AppleorApp Store a on a connectconnect it to anetwork. Wi-Fi network. the Google PlayorStore Apple Appon Store smart phone. Follow instructions to download smart phone.
ENGLISH Open Software Source Software Open Source Notice Notice Information Information Wireless LAN Specifications module Smart Diagnosis™ WirelessDiagnosis™ LAN module Smart Using Specifications aUsing Smarta Smart Phone Phone Model Model LCW-003 LCW-003 source code under GPL, LGPL, To obtain To theobtain sourcethe code under GPL, LGPL, • For appliances or logo with the withorthe logo other open source that licenses, that •isFor appliances MPL, andMPL, other and open source licenses, is Frequency 2412
MAINTENANCE WARNING •• Turn off the power and unplug the power cord before you perform any maintenance; otherwise it may cause electric shock. If the air conditioner will not be used for an extended period of time, dry the air conditioner to maintain it in best condition. Clean the product regularly to maintain optimal performance and to prevent possible breakdown. •• Dry the air conditioner in Fan mode for 3 to 4 hours and disconnect the power.
Type Ionizer(Optional) Clean with a vacuum or hand wash. Use dry cotton bud to remove any dust Clean the Indoor unit surface by using a soft, dry cloth. Indoor unit Outdoor unit Interval 2 weeks Every 6 months Regularly Have a professional clean the condensate drain pan. Once a year Have a professional clean the condensate drain pipe. Every 4 months Replace the remote control batteries. Once a year Have a professional clean the heat exchanger coils and the panel vents.(Consult with technician).
Clean the Air Filter Clean the air filters once every 2 weeks, or more, if necessary. NOTE •• The air filter can be broken when it is bended. Type2 If you look at the indoor unit from above it, can assemble the top filter easily. 1 Turn off the power and unplug the power cord. 2 Hold the knob of air filter, lift it up slightly. 3 Remove it from the indoor unit. 4 Clean the filter with a vacuum cleaner or with lukewarm water with neutral detergent. 5 Dry the filter in the shade.
ENGLISH TROUBLESHOOTING Self-diagnosis Function This product has a built-in self-diagnosis function. If an error occurs, the lamp of the indoor unit will blink in 2 second intervals. If this occurs, contact your local dealer or service center. Before Calling for Service Please check the following before you contact the service center. If the problem persists, contact your local service center. Problem Possible Causes Corrective Action Burning smell and strange sounds are coming from the unit.
Problem Possible Causes Corrective Action Air is not circulating properly. •• Make sure that there are no curtains, blinds, or pieces of furniture blocking the front of the air conditioner. The air filter is dirty. •• Clean the air filter once every 2 weeks. •• See “Cleaning Air Filter” for more information. The room temperature is too high. •• In summer, cooling the indoor air fully may take some time. In this case, select the Jet Mode to cool the indoor air quickly.
Problem Possible Causes Corrective Action ENGLISH The air outlet on the indoor unit is discharging mist. The cooled air from the air conditioner •• When the room temperature decreases, makes mist. this phenomenon will disappear Water leaks from the outdoor unit. In the heating operations, condensed water drops from the heat exchanger. There is noise or vibration. A clicking sound can be heard when the unit starts or stops due to movement of the reversing valve.