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Room Air Conditioner
OWNER'S MANUAL
• Please read carefully and thoroughly this manual
before operating this unit.
• Contact the authorized SVC man for repair or
maintenance of this unit.
• Contact the installer for installation of this unit.
• The appliance is not intended for use by young
children or infirm persons without supervision.
• Young children should be supervised to ensure that
they do not play with the appliance.
Prior to installation, this air-conditioning
unit must be submitted for approval by the utility
service which provides electricity (EN 61000-3 Norm).

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Table of Contents
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Summary of Contents for LG LS-C142UBD0

  • Page 1 Room Air Conditioner OWNER'S MANUAL • Please read carefully and thoroughly this manual before operating this unit. • Contact the authorized SVC man for repair or maintenance of this unit. • Contact the installer for installation of this unit. • The appliance is not intended for use by young children or infirm persons without supervision.
  • Page 2: Table Of Contents

    Safety precautions Safety Precautions To prevent injury and property damage, follow these instructions. Warning ........2 Incorrect operation due to ignoring instructions will cause harm or Caution .........3 damage, the seriousness of which is indicated by the following symbols. Operating Instructions WARNING WARNING Preparation before operation ..4...
  • Page 3: Warning

    WARNING WARNING Ventilate before operating air conditioner Do not disassemble or modify products when gas goes out. randomly. • It may cause explosion, fire and, burn. • It may cause failure and electric shock. CAUTION CAUTION Never touch the metal parts Do not clean the air Ventilate well when used of the unit when removing...
  • Page 4: Preparation Before Operation

    Preparation before operation How to Insert the Batteries Remove the battery cover by pulling it according to the arrow direction. Insert new batteries making sure that the (+) and (-) of battery are installed correctly. Reattach the cover by sliding it back into position. NOTES: •...
  • Page 5 Signal Receptor Each Icon turns on when the unit is operated, then the only Icon outline to be operated is bright. Cooling Mode Lights up during Cooling operation. (Outline) Auto Operation Mode Lights up during Auto operation. (Outline) Healthy Dehumidification Lights up during Healthy Dehumidification operation.
  • Page 6: Operation Mode Selection

    About the remote control on the system The remote control transmits the signals to the system. Features of the Remote Control- Door Opened START/STOP BUTTON Operation starts when this button is pressed and stops when the button is pressed again. OPERATION MODE SELECTION BUTTON Used to select the operation mode.
  • Page 7 How to use the Operation Mode Selection button Cooling Operation Press the Start/Stop button. The unit will respond with a beep. Open the door on the remote control. To select Cooling Operation, press the Operation Mode Selection button. Each time the button is pressed, the operation mode is shifted in the direction of the arrow.
  • Page 8 Auto Operation Press the Start/Stop button. The unit will respond with a beep. Open the door on the remote control. To select Auto Operation, press the Operation Mode Selection button. Each time the button is pressed, the operation mode is shifted in the direction of the arrow.
  • Page 9 Healthy Dehumidification Operation Press the Start/Stop button. The unit will respond with a beep. Open the door on the remote control. To select Healthy Dehumidification Operation, press the Operation Mode Selection button. Each time the button is pressed, the operation mode is shifted in the direction of the arrow.
  • Page 10 Heating Operation(Heat pump model only) Press the Start/Stop button. The unit will respond with a beep. Open the door on the remote control. To select Heating Operation, press the Operation Mode Selection button. Each time the button is pressed, the operation mode is shifted in the direction of the arrow.
  • Page 11 Jet Cool Operation Press the Start/Stop button. The unit will respond with a beep. Press the Jet Cool button to operate the speed cooling mode and the unit will operate in super high fan speed on cooling mode for 30 minutes. To cancel the Jet Cool mode, press the Jet Cool button or the fan speed button or the room temperature setting button again and the unit will operate in high fan speed on cooling...
  • Page 12 PLASMA Purification Operation(Optional) Press the Start/Stop button. The unit will respond with a beep. Open the door on the remote control. Press the PLASMA air purifying operation ON/OFF button. Operation will start when the button is pressed and stop when the button is pressed again.
  • Page 13 2nd F Operation Press the Start/Stop button. The unit will respond with a beep. Open the door of the remote control and press the 2nd Function button to operate functions printed in blue at bottom of buttons. (Check the indication of 2nd function on remote control display.) These buttons operate the timer setting as follows: CANCEL...
  • Page 14: Additional Features

    Additional features Sleep Mode Press the Sleep Mode Auto button to set the To cancel the Sleep Mode, press the sleep time you want the unit to turn off automatically. Mode Auto button several times until the star ) disappears from the operation display. The Timer is programmed in one-hour Note: The Sleep Mode will be operated at increments by pressing the Sleep Mode Auto...
  • Page 15 Vertical Airflow Direction Control The up/down airflow (Vertical Airflow) can be Note: If you press the CHAOS swing button, the adjusted by using the remote control. horizontal airflow direction is changed automatically based on the CHAOS algorithm to distribute the air in the room evenly and at the same time to make the human body feel most comfortable, as if enjoying a natural breeze.
  • Page 16 Auto Clean • Open the door on the remote control. Press the Auto Clean Button. Close the door on the remote control. Now each time that you press the start/stop button, the Air conditioner operates clean function automatically. • To operate the Auto Clean function, flip open the remote controller and press the Auto Clean button.
  • Page 17 Forced Operation Operation procedures when the remote control can't be used. The operation will be started if the power button is pressed. If you want to stop operation, re-press the button. Power button Heat pump Model Cooling Model Room Temp. ≥ 24°C 21°C ≤...
  • Page 18: Care And Maintenance

    Care and maintenance of the air conditioner CAUTION: Before performing any maintenance, turn off the main power to the system. Indoor Unit Open the upside of Front Panel Relocate dried air filters at the shade and then close the panel. Air filters Front panel Put up the Front panel.
  • Page 19 Cleaning of Purifying Filter • Recomended use period : About 3 months Open the upside of Front Put up the front panel. Remove air filters and then panel. The hook of panel comes off. pull out plasma filter Plasma filters Front panel Panel hook...
  • Page 20: Operation Tips

    When the air conditioner is not going to be used for a long time. When air conditioner is not going to be When the air conditioner is to be used again. used for a long time. Operate the air conditioner on Air circulation Clean the air filter and install it in the indoor unit.
  • Page 21: Troubleshooting Tips

    Before you call for 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 The air conditioner does not •...
  • Page 22 Memo...
  • Page 23 P/No.: 3828A20266K Printed in Korea After reading this manual, keep it in a place easily accessible to the user for future reference.

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