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OWNER’S MANUAL AIR CONDITIONER Please read this manual carefully before operating your set and retain it for future reference. TYPE : CEILING CASSETTE www.lg.com P/NO : MFL42763408...
Tips for saving energy Tips for saving energy Here are some tips that will help you minimize the power consumption when you use the air conditioner. You can use your air conditioner more efficiently by referring to the instructions below: •...
Ceiling Cassette Air Conditioner Owner’s Manual TABLE OF CONTENTS FOR YOUR RECORDS Tips for saving energy....2 Write the model and serial numbers here: Model # Serial # Safety Precautions......4 You can find them on a label on the side of each unit. Dealer's Name Date Purchased Prior to Operation ......7...
Safety Precautions 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. This symbol indicates the possibility of death or serious injury.
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Safety Precautions ■ Operation Do not let the air conditioner run for a Take care to ensure that power Do not place anything on long time when the humidity is very high cable could not be pulled out or the power cable. and a door or a window is left open.
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Safety Precautions ■ Installation Always check for gas Install the drain hose to Keep level even when (refrigerant) leakage after ensure that water is drained installing the product. installation or repair of product. away properly. • Low refrigerant levels may cause •...
Prior to Operation Prior to Operation Preparing for operation 1. Contact an installation specialist for installation. 2. Plug in the power plug properly. 3. Use a dedicated circuit. 4. Do not use an extension cord. 5. Do not start/stop operation by plugging/unplugging the power cord. 6.
Introduction Introduction Symbols used in this Manual This symbol alerts you to the risk of electric shock. This symbol alerts you to hazards that could cause harm to the air conditioner. This symbol indicates special notes. NOTICE Features WARNING: This appliance should be installed in accordance with national wiring regulations.
Electrical Safety Electrical Safety WARNING: This appliance must be properly grounded. To minimize the risk of electric shock, you must alway plug into a grounded oulet. Preferred method Ensure proper ground exists before use WARNING: Do not cut or remove the grounding prong from the power wire.
Operating Instructions Operating Instructions Indoor Unit, Outdoor Unit Anti-bacteria Anti-bacteria Anti-bacteria Air Outlet Anti-bacteria Air Inlet Remote Controller 1⃞ 2⃞ 3⃞ 4⃞ 5⃞ 6⃞ Operation Indication Lamps 1⃞ Forced Operation : Operation procedures when remote control can't be used. 2⃞ Defrost Mode : Lights up during defrost mode or hot start operation.
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Operating Instructions Wireless Remote Controller (Optional) This air-conditioner is equipped with wired remote controller basically. But if you want to be available with wireless remote controller, you pay for it. 1. START/STOP BUTTON Operation starts when this button is pressed and stops when the Signal transmitter button is pressed again.
Part Description Part Description Name and Function of Remote Controller(PQRCVSL0QW) OPERATION INDICATION SCREEN SET TEMPERATURE BUTTON FAN SPEED BUTTON ON/OFF BUTTON OPRATION MODE SELECTION BUTTON WIRELESS REMOTE CONTROLLER RECEIVER • Some products don't receive the wireless signals. AIR FLOW BUTTON SUBFUNCTION BUTTON FUNCTION SETTING BUTTON VENTILATION BUTTON...
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Part Description Standard Operation - Standard Cooling It cools the room by comfortable and clean wind. Press button to turn on the indoor. Press button to select Cooling operation mode. Adjust the desired temperature by pressing buttons. Press button to check the Room temperature.
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Part Description Standard Operation - Heating Mode(Heat pump model only) It supplies warm wind to the indoor Press button to turn on the indoor. Press button to select Heating mode. (To check the indoor temperature, press the room temperature button.) Adjust the desired temperature by pressing buttons.
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Part Description Standard Operation - Auto Operation Mode Press button to turn on the indoor. Press button to select Artificial intelligence Mode. You can adjust the temperature as the picture on the right for cooling and heating model. For the case of cooling exclusive, as the picture on When cold...
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Part Description Standard Operation - Fan Mode It blows the air as it is in the indoor, not the cold wind. Press button to turn on the indoor. Press button to select Fan Mode. Every time pressing button, you can select wind flow in order of feeble →...
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Part Description Standard Operation - Temperature Setting/Room Temperature Check Temperature Setting We can simply adjust the desired temperature. • Press the buttons to adjust the desired temperature. : Increase 1˚C or 2˚F per one time pressing : Decrease 1˚C or 2˚F per one time pressing •...
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Part Description Standard Operation - Airflow Setting Wind powerfulness : You can simply adjust desired wind powerfulness. Please setup desired wind powerfulness by wind powerfulness button. • Every time you press wind powerfulness, you can select the wind flow in order of ‘feeble →...
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Part Description Sub function - Direct Wind / Indirect Wind Owner's Manual 19...
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Part Description Function setting -Ceiling Height Selection <Ceiling Height Selection Table> Ceiling Height Level Description 05:01 Decrease the indoor airflow rate 1 step from standard level 05:02 Standard Set the indoor airflow rate as standard level 05:03 High Increase indoor airflow rate 1 step from standard level 05:04 Very high Increase indoor airflow rate 2 steps from standard level...
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Part Description Function setting - Filter Sign Clear This function is to clear the indicator of indoor filter cleaning. Press button repeatedly until the is flashing. When the is flashing, press to clear this display • When filter is covered by dust, it will reduce cooling/heating efficiency and accumulate more electric power.
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Part Description Function setting - Elevation Grill This function is to move the indoor filter up/down for cleaning filter. Press button Repeat pressing button until icon flash. Move to descent using button and press button will display descent icon and the up/down grill will descent.
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Part Description Function setting - Vane Angle Control This function is to adjust angle at which airflow is blow out. Repeat pressing button until icon flash. Press button to select active vane : 1 / 2 / 3 / 4 / All / Standard Select Vane number using buttons.
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Part Description Function setting - Changing Current Time Please press function setup button. If pressing function setup button repeatedly, it moves to time setup menu. ‘Time setup’ icon is indicated at that time and date blinks at current time indication area. Ex) Changing Current Time as 'Monday / AM 10:20'.
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Part Description Press button to move to 'Minute' setting mode. (the 'Minute' segment will flash) Setting Minute value by pressing button. Press button to finish. In the process, press button to release and exit from setting mode. (In case of exit with incomplete information, it will return to the previous setting) ❈...
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Part Description Programming - Simple Reservation You can set the reservation conveniently in the units of 1 hour from 1 hour to 7 hours. Press button to enter the Programming mode. (the segment flashing) Ex) Setting Simple Reservation time as '3'. Press button to adjust reservation time.
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Part Description Programming - Sleep Reservation Sleep reservation is the function of air-conditioner to run and stop after certain period of time at sleep mode before sleep. When connected to a ventilation product and set the sleep reservation, when it goes to the sleep mode, after the set time has elapsed.
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Part Description Programming - ON Reservation Automatically turned On at reserved time that you set. Press button. Ex) Setting ON Reservation Time as 'AM 10:20'. Repeat pressing button to enter the ON reservation setting mode. segment flashing) Press button to adjust AM/ PM setting.
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Part Description Press button to exit. ❈ After setup, it automatically gets out of setup mode if there is no button input for 25 seconds. ❈ When exiting without pressing set button, the manipulated value is not reflected. - If reservation is set, 'turned on' indication shows up at the lower part of LCD screen, and air-conditioner product runs at the time that is set.
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Part Description Programming - OFF Reservation Automatically turned Off at reserved time that you set. Press button. Ex) Setting OFF Reservation Time as 'AM 10:20'. Repeatedly pressing button to enter the OFF reservation setting mode. segment flashing) Press button to adjust AM/ PM setting.
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Part Description Press button to exit. ❈ After setup, it automatically gets out of setup mode if there is no button input for 25 seconds. ❈ When exiting without pressing set button, the manipulated value is not reflected. - If reservation is set, 'turned off' indication shows up at the lower part of LCD screen, and air-conditioner product runs at the time that is set.
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Part Description Programming : Weekly Reservation You can set the daily reservation in weekly unit. Weekly reservation keeps operating until before you cancel it once you setup Please move to reservation setup mode by pressing reservation button. ❈ You can setup two weekly reservations for one day, and up to fourteen reservations for a week.
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Part Description Please move to 'AM/PM' setup part of turning off by using button. - AM/PM setup is identical with turning on time setup. Please move to 'hour' setup part of turning off by using Right button. - It is the part to reserve the time at which air-conditioner is turned off.
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Part Description Programming : Holiday Reservation It automatically stops at reserved day that you set. Please press button. It enters into reservation setup mode. Please move to 'holiday' by repeatedly pressing button. Please move to 'date' that you want to setup holiday by using button.
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Part Description Ventilation setting (optional) Incase of there is linkage between ventilator and air conditioner, it is able to control this ventilator. 1. Control using remote controller where air conditioner indoor unit and the ventilation product is installed at the same time. Single Operation Interlinked Operation (General Ventilation Interlinked Operation)
Maintenance and Service Maintenance and Service CAUTION Before performing any maintenance, turn off the main power to the system. Indoor Unit Grille, Case and Remote Control ❐ Turn the system off before cleanining, To clean, wipe with a soft, dry cloth. Do not use bleach or abrasives. NOTICE Supply power must be disconnected before cleaning Anti-biofilter...
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Maintenance and Service When the air conditioner is not going to be used for a long time. When air conditioner is not going to be used for a long time. Operate the air conditioner at the following settings for 2 to 3 hours. •...
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Maintenance and Service Troubleshooting Tips! Save time and money! Check the following points before requesting repairs or service..If the fault persists, please contact your dealer or service center. Case Explanation See page 23~33 • Have you made a mistake in timer operation? The air conditioner does not operate.
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Maintenance and Service Details of LG serial No. Main Service Part List PART NAME Code Detail Code of Model Meaning Year The last digit of year COMPRESSOR ex) 1997 → 7, 2000 → 0 (Digit) MOTOR Month 01~12 Month ex) March → 03, August → 08...
Spec about the unit Spec about the unit Indoor LTNC182QLE1 LTNH182QLE1 Model Outdoor LTUC182QLE1 LTUH182QLE1 Brand LG Electronics Inc LG Electronics Inc Country of origin Korea Korea Type Cassette Cassette Voltage (V) 220 V ~ 220 V ~ Phase 1 Phase...