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IMPORTANT

Please read through this manual. It contains valuable
information about your air conditioner. This manual may
help save time and money by explaining proper product
maintenance and preventing improper use.

PRECAUTIONS

Pay close attention to precautions in order to prevent
potential hazards and damage from misuse or improper
installation. LG is not responsible for any damages caused
by misuse of the product.

LG Large Duct-Type
Air Conditioner

OWNER'S MANUAL

LG

Prior to installation, this air-conditioning

unit must be submitted for approval by the

utility service which provides electricity

(EN 61000-3 Norm.)

ENGLISH

ITALIANO

ESPAÑOL

FRANÇAIS

DEUTSCH

Summary of Contents for B120AH

Page 1: ... close attention to precautions in order to prevent potential hazards and damage from misuse or improper installation LG is not responsible for any damages caused by misuse of the product LG Large Duct Type Air Conditioner OWNER S MANUAL LG Prior to installation this air conditioning unit must be submitted for approval by the utility service which provides electricity EN 61000 3 Norm ENGLISH ITALI...

Page 2: ...blems 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...

Page 3: ...not to do Be sure to follow the instruction Installation Do not use a defective or underrated circuit breaker Use this appliance on a dedicated circuit There is risk of fire or electric shock For electrical work contact the dealer seller a qualified electrician or an Authorized Service Center Do not disassemble or repair the product There is risk of fire or electric shock Always ground the product...

Page 4: ... not install the product on a defective installation stand It may cause injury accident or damage to the product Be sure the installation area does not deteriorate with age If the base collapses the air conditioner could fall with it causing property damage product failure and personal injury Do not let the air conditioner run for a long time when the humidity is very high and a door or a window i...

Page 5: ...sk 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 failure of product or electric shock Do not open the inl...

Page 6: ...y cause water leakage Keep level even when installing the product To avoid vibration or water leakage Do not install the product where the noise or hot air from the outdoor unit could damage the neighborhoods It may cause a problem for your neighbors Use two or more people to lift and transport the product Avoid personal injury Do not install the product where it will be exposed to sea wind salt s...

Page 7: ...n or damage Do not insert hands or other objects through the air inlet or outlet while the prodcut is operated There are sharp and moving parts that could cause personal injury Do not drink the water drained from the product It is not sanitary and could cause serious health issues Use a firm stool or ladder when cleaning or maintaining the product Be careful and avoid personal injury Replace the a...

Page 8: ... speed 6 Operation Mode Selection Button Used to select the operation mode Auto Operation Mode Cooling Operation Mode Soft Dry Operation Mode Heating Operation Mode except cooling model 7 Timer Cancel Button Used to cancel the timer 8 Timer Set Button Used to set the timer when the desired time is obtained 9 Week Button Used to set a day of the week 10 Program Button Used to set the weekly timer 1...

Page 9: ... Defrost Filter Preheat Humidify Out door Timer On Set no Time Off 01 03 05 07 09 11 13 15 17 19 21 23 1 2 3 4 OPERATION FAN SPEED SUB FUNCTION SET TEMP Time AUTO SWING HI ZONE Operation unit Program set Room Temp MED LO AUTO JET Heater Defrost Filter Preheat Humidify Out door Timer On Set no Time Off 01 03 05 07 09 11 13 15 17 19 21 23 1 2 3 4 OPERATION FAN SPEED SUB FUNCTION SET TEMP Time AUTO S...

Page 10: ... SET TEMP 01 03 05 07 09 11 13 15 17 19 21 23 Time Program Operating Instructions Weekly Programming 4Press the Program button again to finish weekly programmining 1Press the Program button The remote controller is displayed like a picture Then and 01 is blinked 2Press the button Press button repeatedly until desired mode appears For example if you want Thu press button 4 times 3Select the time yo...

Page 11: ...door Timer On Set no Off 1 2 3 4 OPERATION FAN SPEED SUB FUNCTION SET TEMP 01 03 05 07 09 11 13 15 17 19 21 23 Time AUTO SWING Program set Time HI ZONE Operation unit Room Temp MED LO AUTO JET Heater Defrost Filter Preheat Humidify Out door On Set no 1 2 3 4 OPERATION FAN SPEED SUB FUNCTION SET TEMP 01 03 05 07 09 11 13 15 17 19 21 23 Time Timer Off Timer Setting If Tuesday is a holiday in this we...

Page 12: ...N SET TEMP Room Temp HI MED LO Heater Defrost Filter Preheat Out door Time Timer On Set no Time Off 01 03 05 07 09 11 13 15 17 19 21 23 2ndF No Func 3 1 4 2 Operation Procedure Operation Cycle Cooling Mode Cooling Mode Soft Dry Mode Auto Mode Cooling Model Soft Dry Mode Heating Mode Auto Mode Heat Pump Model 1st 2nd 3rd 4th On Off Button Operation Mode Selection Button Room Temperature Setting But...

Page 13: ... set RoomTemp MED LO AUTO JET Heater Defrost Filter Preheat Humidify Out door Time Timer On Set no Time Off 01 03 05 07 09 11 13 15 17 19 21 23 1 2 3 4 OPERATION FAN SPEED SUB FUNCTION SET TEMP HI AUTO SWING ZONE Operation unit Program set RoomTemp MED LO AUTO JET Heater Defrost Filter Preheat Humidify Out door Time Timer On Set no Time Off 01 03 05 07 09 11 13 15 17 19 21 23 1 2 3 4 OPERATION FAN...

Page 14: ...warm or hot Cold Cool Proper Warm Hot For Heat Pump Models only Soft Dry Operation Mode 5 If the outdoor temperature is too low during the heating operation this air conditioner is set to the defrosting operation and the remote controller indicates Defrost Auto Operation Mode Heat Pump Cooling Models During Auto Operation You can switch the indoor fan speed In case of heat Pump Models the system w...

Page 15: ...WING HI ZONE Operation unit Program set Room Temp LO AUTO JET Heater Defrost Filter Preheat Humidify Out door Time Timer On Set no Time Off 01 03 05 07 09 11 13 15 17 19 21 23 1 2 3 4 OPERATION FAN SPEED SUB FUNCTION SET TEMP MED Fan speed is Hi Fan speed is Low Fan speed is Medium Owner s Manual 15 Operating Instructions FAN Operation Self diagnosis Function 3 Each time Indoor Fan Speed button is...

Page 16: ... and the preselected mode is displayed in the remote controller This is the Function that any children cannot used to the air conditioner 1 2 Auto Function Setting Way to set Fan Option Press the Timer Fan Speed button more than 3 seconds at the same time Press the Fan Auto button then choose or Repeat the first step to keep the setting 3 2 1 COMP OFF Low Airflow Low Airflow Low Airflow Setting Ai...

Page 17: ...Clean the filter with a vacuum or warm soapy water If very dirty wash with a solution of detergent in lukewarm water If hot water 50 C or more is used filter may be deformed After washing with water dry well in the shade 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 1 2 3 Outdoor ...

Page 18: ...s not good for the health and wastes electricity Keep blinds or curtains closed Do not let direct sunshine enter the room when the air conditioner is 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 regularly Blockages in the air filter reduce the airflow and lower cooling and deh...

Page 19: ...exuded by the walls carpet 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 ...

Page 20: ...20 Large Duct Type Air Conditioner Memo ...

Page 21: ...P No 3828A20843B ...

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