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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 : 4-WAY CEILING CASSETTE
The equipment complies with requirements of the Technical
Regulation, in terms of restrictions for the use of certain dangerous
substances in electrical and electronic equipment.
P/NO : MFL67163901
www.lg.com
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Table of Contents
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Summary of Contents for LG ATNH18
- Page 1 TYPE : 4-WAY CEILING CASSETTE The equipment complies with requirements of the Technical Regulation, in terms of restrictions for the use of certain dangerous substances in electrical and electronic equipment. www.lg.com P/NO : MFL67163901...
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Page 2: Table Of Contents
Ceiling Cassette- Type Air Conditioner Owner’s Manual TABLE OF CONTENTS FOR YOUR RECORDS A. Safety Precautions........3 B. Product Introduction........6 Write the model and serial numbers here: Name and function of parts ......6 Model # What to do before operation ......6 Serial # Operation Indication Lamps......6 You can find them on a label on the side of each unit. -
Page 3: Safety Precautions
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. WARNING This symbol indicates the possibility of death or serious injury. - Page 4 Safety Precautions Indoor/outdoor wiring connections must Safely dispose off the packing materials. Make sure to check that the power cable be secured tightly and the cable should Like screws, nails, batteries, broken plug is not dirty, loose or broken and be routed properly so that there is no things etc after installation or svc and then only insert the plug completely.
- Page 5 Safety Precautions Do not use the product for special purposes, Do not block the inlet or outlet of air flow. Use a soft cloth to clean. Do not use such as preserving foods, works of art, etc. It harsh detergents, solvents or splashing is a consumer air conditioner, not a precision water etc .
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Page 6: Product Introduction
What to do before operation Pair system or simultaneous operation system If your installation has a customized control system, ask your LG dealer for the operation that corresponds to your system. 1: Unit with remote controller 2: Unit without remote controller (when... -
Page 7: Wired Remote Controller
Product Introduction Wired Remote Controller 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 RESERVATION UP,DOWN,LEFT,RIGHT BUTTON... -
Page 8: Wireless Remote Controller (Accessory)
Product Introduction Wireless Remote Controller (Accessory) 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. PQWRHQ0FDB CAUTION: of handling the Remote Controller • Aim at the signal receiver on the wired remote controller so as to operate. •... -
Page 9: Standard Operation - Standard Cooling
Operating Instructions Operating instructions 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. -
Page 10: Standard Operation - Heating Mode
Operating Instructions Standard Operation - Power Cooling It makes the room cool using pleasant and fresh air quickly Press button to trun on the indoor. Press button to select cooling operation mode. Press button continuously until 'Po' displayed. What is Power Cooling? •... -
Page 11: Standard Operation - Dehumidification Mode
Operating Instructions Standard Operation - Dehumidification Mode It removes humidity while air-cooling weakly. Press button to turn on the indoor. Press button to select Dehumidification mode. The temperature setting can not be adjusted during operation this mode. Press the button to select airflow rate feeble →... -
Page 12: Standard Operation - Fan Mode
Operating Instructions 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 →... -
Page 13: Standard Operation - Auto Operation Mode
Operating Instructions 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... -
Page 14: Standard Operation - Airflow Setting
Operating Instructions 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 →... -
Page 15: Standard Operation - Temperature Setting/Room Temperature Check
Operating Instructions 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 •... -
Page 16: Sub Function - Plasma Purification
Operating Instructions Sub function - Plasma Purification Only products with humidifying function can use this. The method to setup cleaning air Repeat pressing button until icon flash. Operate or cancel Plasma Purification function by pressing button. icon appears/disappears on display part up to selection ) After setting, press button... -
Page 17: Function Setting - Child Lock
Operating Instructions Function setting - Child Lock It is the function to use preventing children or others from careless using. Press button repeatedly until is flashing. If moving to 'setup' icon area by using button, 'setup' icon blinks, and child lock function is setup if pressing button at that time. -
Page 18: Function Setting - Change Temp
Operating Instructions Function Setting - Change Temp Change temperature is the function to setup air-cooling and heating drive automatically changeable according to the temperature at artificial intelligence drive mode. Repeat pressing button until icon flash. Press button to change. ❈ Converting temp value : 1~7 Press button to complete and active the setting process. -
Page 19: Function Setting - Elevation Grill
Operating Instructions 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. -
Page 20: Function Setting - Filter Sign Clear
Operating Instructions 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. -
Page 21: Function Setting - Vane Angle Control
Operating Instructions 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. -
Page 22: Function Setting - Changing Current Time
Operating Instructions 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'. - Page 23 Operating Instructions 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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Page 24: Programming - Simple Reservation
Operating Instructions 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. -
Page 25: Programming : Weekly Reservation
Operating Instructions 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. - Page 26 Operating Instructions 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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Page 27: Programming - Sleep Reservation
Operating Instructions 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. -
Page 28: Programming - On Reservation
Operating Instructions 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. - Page 29 Operating Instructions 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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Page 30: Programming - Off Reservation
Operating Instructions 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. - Page 31 Operating Instructions 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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Page 32: Programming : Holiday Reservation
Operating Instructions 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. -
Page 33: Ventilation Kit Control(Optional)
Operating Instructions Ventilation Kit Control(Optional) It is used when air conditioner is interlinked with ventilation product. It is a function that cools and refreshes indoor air using the ventilation product at the same time operating the air conditioning function. Ventilation interlinked operation Press button on the remote controller control panel. -
Page 34: Maintenance And Service
Maintenance and Service Maintenance and Service 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. NOTE Supply power must be disconnected before cleaning the indoor unit. Air Filters Remove the Air filters. -
Page 35: Purifying Filter(Optional)
Maintenance and Service Purifying filter(Optional) Cleaning After removing the air filters, pull slightly forward to The PLASMA filter behind the air filters should be remove the PLASMA filter. checked and cleaned once every 3 months or more often if necessary. Dip the PLASMA filter into the water mixed with neutral detergent, for 20~30 minutes. -
Page 36: Operation Tips
Maintenance and Service Operation Tips! Do not overcool the room. Keep blinds or curtains Keep the room temperature closed. uniform. Do not let direct sunshine enter the Adjust the vertical and horizontal This is not good for the health and room when the air conditioner is in airflow direction to ensure a uniform wastes electricity. -
Page 37: Troubleshooting Tips! Save Time And Money
Maintenance and Service Troubleshooting Tips! Save time and money! Check the following points before requesting repairs or service..If the malfunction persist, please contact your dealer. Case Explanation • Have you made a mistake in timer operation? The air conditioner does not operate. - Page 38 38 Ceiling Cassette-Type Air Conditioner...