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P/NO : 5401403602 Rev.:

www.lg.com

Please read this manual carefully before operating
your set and retain it for future reference.

TYPE : MULTI

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.

OWNER’S MANUAL

AIR

CONDITIONER

Summary of Contents for AMNH18GB2A1

Page 1: ... operating your set and retain it for future reference TYPE MULTI 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 OWNER S MANUAL AIR CONDITIONER ...

Page 2: ...s in the chart of troubleshooting tips If you review our chart of Troubleshooting Tips first you may not need to call for service at all PRECAUTION Contact the authorized service technician for repair or maintenance of this unit Contact the installer for installation of this unit The air conditioner is not intended for use by young children or invalids without supervision Young children should be ...

Page 3: ...is risk of fire or electric shock Install the panel and the cover of control box securely There is risk of fire or electric shock Always install a dedicated circuit and breaker Improper wiring or installation may cause fire or electric shock Use the correctly rated breaker or fuse There is risk of fire or electric shock Do not modify or extend the power cable There is risk of fire or electric shoc...

Page 4: ...e telephone or turn switches on or off There is risk of explosion or fire If strange sounds or small or smoke comes from product Turn the breaker off or disconnect the power supply cable There is risk of electric shock or fire Stop operation and close the window in storm or hurricane If possible remove the product from the window before the hurricane arrives There is risk of property damage failur...

Page 5: ...riods of time Don t sit in the draft This could harm to your health 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 step on or put anyting on the product outdoor units There is risk of personal injury and failure of product Always insert the...

Page 6: ... 1 2 minutes NOTE 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 To check the indoor temperature press button ROOM TEMPERATURE BUTTON...

Page 7: ...ct Cooling operation mode 2 Adjust the desired temperature by pressing buttons Press button to check the Room temperature When setting the desired temperature higher than room temperature only ventilation wind is blow out instead of cooling wind 3 Setting Temp Range 18 C 30 C 64 F 86 F It cools the room by comfortable and clean wind ...

Page 8: ...Press button to select Heating mode To check the indoor temperature press the room temperature button 2 Adjust the desired temperature by pressing buttons When setting the desired temperature lower than room temperature there is only ventilation wind 3 What is Power Cooling Desired temperature Po actually 18 C Wind flow power wind Wind direction fix to air cooling position Partial product has no p...

Page 9: ...emoves humidity while air cooling weakly In rainy season or high humidity climate it is possible to operate simultaneously dehumidifier and cooling mode to remove humidity effectively The menu item of wind powerfulness might not be partially selected according to the product Press button to turn on the indoor 1 Press button to select Auto Changeover Mode 2 The setting temperature as the right side...

Page 10: ...atic When running ventilation compressor of AHU doesn t work 3 Standard Operation Fan Mode It blows the air as it is in the indoor not the cold wind Ventilation drive does not release cool wind but general fan Because it releases the wind that has no temperature difference from the room it functions to circulate the inside air The menu item of wind powerfulness might not be partially selected acco...

Page 11: ... right for cooling and heating model 3 For the case of cooling exclusive as the picture on the right you can adjust the temperature from hot to cold from 2 to 2 based on 00 4 When cold When cool When appropriate When warm When hot Standard Operation Auto Operation Mode During operating Auto Operation mode We can use the FAN SPEED button We can change manually to other operation mode ...

Page 12: ...selected according to product function Please refer to product manual for product s detailed function 1 Please set desired wind direction by pressing button You can select wind direction of comfortable wind Up Down and Right Left Right Left Up Down by pressing button Partial item of wind directions might not be selected according to product function Please refer to product manual for product s det...

Page 13: ...ature Please increase the desired temperature 1 Whenever press button the room temperature will be displayed within 5 seconds After 5 seconds it turns to display the desired temperature Because of location of remote controller the real room temperature and the this displayed value can be different 1 Temperature Setting Room Temperature Check For air cooling drive from 18 C to 30 C and for heating ...

Page 14: ... button at ventilation drive Sub function Plasma Purification Repeat pressing button until icon flash The method to setup cleaning air 1 Operate or cancel Plasma Purification function by pressing button icon appears disappears on display part up to selection 2 After setting press button to exit 3 After setup it automatically gets out of setup mode if there is no button input for 25 seconds When ex...

Page 15: ...sing button setup icon blinks and child lock function is setup if pressing button at that time 2 When cancelling lock function if moving to cancel icon by pressing button and then pressing button child lock function is cancelled 3 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 manipula...

Page 16: ...n to complete and active the setting process 3 Press button to exit or system will automatically release without any input after 25 seconds When exiting without pressing set button the manipulated value is not reflected 4 Change temperature is the function to setup air cooling and heating drive automatically changeable according to the temperature at artificial intelligence drive mode ...

Page 17: ...descents to the desired position move to stop icon suing button and press button to stop up down grill 3 When filter cleaning is finished fix the filter to the up down grill move to ascent icon using button and press button to ascent up down grill 4 Press button to exit After setup it automatically gets out of setup mode if there is no button input for 60 seconds When exiting without pressing set ...

Page 18: ...tedly until the is flashing 1 When the is flashing press the to clear this display 2 When filter is covered by dust it will reduce cooling heating efficiency and accumulate more electric power Therefore do clean the filter whenever cleaning time is expired Filter cleaning indication is automatically cancelled without the separate cancellation after certain period of time ...

Page 19: ...cting standard for Vane number the wind angle does not move 3 Set the wind angles for the remaining vanes as the same as above There are products with vanes with no 1 and no 2 only according to the product types 4 Press button to exit After setup it automatically gets out of setup mode if there is no button input for 60 seconds When exiting without pressing set button the manipulated value is not ...

Page 20: ...u 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 1 Press key to adjust the current day 2 Press key to move to AM PM setting mode the AM PM segment will flash 3 Setting AM PM value by pressing button 4 Press button to move to Hour setting mode the Hour segment will flash 5 Setting Hour value by pressing button 6 ...

Page 21: ...l flash 7 Setting Minute value by pressing button 8 Press button to finish 9 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 When exiting without pressing set button the manipulated value is not reflected 10 ...

Page 22: ...tion time 2 Press button to finish setting 3 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 4 You can set the reservation conveniently in the units of 1 hour from 1 hour to 7 hours When simple reservation setup product automatically runs or stops afte...

Page 23: ...o reservations weekly reservation 1 and weekly reservation 2 for a day 3 Please move to date setup part by using button If date indication blinks please setup date You can setup date from Monday to Sunday 4 Please move to AM PM setup part of turning on by using button 5 Please move to hour setup part of turning on by using button It is the part to setup the time at which air conditioner is turned ...

Page 24: ...etup for the day that you set is finished 12 If you setup with the method identical with above by selecting the day that you d like to setup it operates weekly reservation If you setup both turning on reservation time and turning off reservation time identically it doesn t operate reservation drive 13 Weekly reservation explanation Turning on time Under bar the indication that there is weekly rese...

Page 25: ...he lower part of LCD screen 5 If finishing sleep reservation setup air conditioner product operates sleep drive and stops after the time that is set 6 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 ...

Page 26: ...ng mode segment flashing 2 Press button to adjust AM PM setting 3 Press button to Hour setting mode When the Hour icon flash please setting time The setting range is within 1 12 4 Press button to shift to Minute setting mode When the Minute icon flash please setting minute the setting range is within 00 59 5 Press button to finish setting 6 Automatically turned On at reserved time that you set ...

Page 27: ...ere 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 If reservation is cancelled turned on indication disappears 7 ...

Page 28: ... mode segment flashing 2 Press button to adjust AM PM setting 3 Press button to shift to Hour setting mode When the Hour icon flash please setting time The setting range is within 1 12 4 Press button to shift to Minute setting mode When the Minute icon flash please setting minute the setting range is within 00 59 5 Press button to finish setting 6 Automatically turned Off at reserved time that you...

Page 29: ...re 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 If reservation is cancelled turned off indication disappears 7 ...

Page 30: ... Please appoint or cancel holiday by using or button For example when you setup Monday Friday to holiday Monday Friday letter disappears 4 Please press button if finishing holiday setup If it comes to appointed holiday air conditioner automatically stops Once you setup holiday appointment until before you cancel holiday setup air conditioner automatically stops within one hour even though you run ...

Page 31: ... returns to air condition mode 3 Pressing button in general ventilation mode will change airflow speed Pressing airflow speed button will change the mode in the order of weak strong extra strong If CO2 sensor is installed it can select from weak strong very strong automatic 4 Changing back to air conditioner mode 1 Automatic Conversion when no button is pressed for 15 seconds or longer it automati...

Page 32: ...5 Hang up the phone TURN ON 1 Dial the number which is connected with the air conditioner 2 After ringing 5 times 3 You can hear the Beep Beep sound if the air conditioner is on then press 0 0 7 9 accordingly 4 With the sound Beep the air conditioner is turned off 5 Hang up the phone TURN OFF p This product works after telephone rings 5 times p If internal user picks up the phone before 5 rings Te...

Page 33: ...p Beep the air conditioner starts on 5 Hang up the phone TURN ON 1 Dial the number which is connected with the air conditioner 2 OGM guide is provided after signal sound rings four times and then Beep sounds from telephone itself sounds so that outside recording can be done 3 Slowly press password 0 0 7 and 9 in order 4 With the sound Beep the air conditioner is turned off 5 Hang up the phone TURN...

Page 34: ...he set fan speed and then it will be in automatically turn off when the room temperature reaches the set temperature 0 5 C Helpful information Airflow speed and cooling capacity The cooling capacity indicated in the specification is the value when the fan speed is set to high and the capacity will be lower at low or medium fan speed High fan speed is recommended when you wish to cool the room quic...

Page 35: ...ilter may be deformed 2 After washing with water dry well in the shade 3 Re install the air filter Air Filter The air filters behind Indoor unit the suction side should be checked and cleaned once every 2 weeks or more often if necessary PLASMA Filter Optional The PLASMA filter should be checked and cleaned once every month or more often if necessary 1 After removing the Panel Cover draw the Air C...

Page 36: ... of the indoor outdoor unit are not blocked Do not overcool the room This is not good for your health and wastes electricity Keep blinds or curtains closed Do not let direct sunshine enter the room when the air conditioner is in operation Make sure that the doors and windows are shut tight Avoid opening doors and windows as much as possible to keep the cool air in the room Clean the air filter reg...

Page 37: ...arpet furniture or cloth items in the room Condensation occurs when the airflow from the air conditioner cools the warm room air This is the protector of the mechanism Wait about three minutes and operation will begin Is the air filter dirty See air filter cleaning instructions The room may have been very hot when the room air conditioner was first turned on Allow time for it to cool down Has the ...

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