LG LT-D4880RJ Owner's Manual
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LG LT-D4880RJ Owner's Manual

LG LT-D4880RJ Owner's Manual

Cassette-type air conditioner
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LG
Cassette-Type Air Conditioner
OWNER'S MANUAL
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.
Prior to installation, this air-conditioning
unit must be submitted for approval by the
utility service which provides electricity
(EN 61000-3 Norm.)
LG

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Summary of Contents for LG LT-D4880RJ

  • Page 1 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. Prior to installation, this air-conditioning unit must be submitted for approval by the utility service which provides electricity (EN 61000-3 Norm.)

  • Page 2: Safety Precautions

    Cassette-Type Air Conditioner Owner’s Manual TABLE OF CONTENTS 1. Safety Precautions 2. Operating Instructions 3. Care and Maintenance 4. Before you call for service or Your Records Write the model and serial numbers here: Model # Serial # You can find them on a label on the side of each unit. Dealer's Name Date Purchased ead This Manual...

  • Page 3: Never Do This

    Safety Precautions Precautions To prevent injury and property damage, follow these instructions. Incorrect operation due to ignoring instructions will cause harm or damage, the seriousness of which is indicated by the following symbols. This symbol shows the possibility of death or serious injury. WARNING This symbol indicates the possibility of injury or damage to property.
  • Page 4 • 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 infirm persons without supervision. • Young children should be supervised to ensure that they do not play with the air conditioner. Do not clean the air conditioner with water.
  • Page 5 Safety Operating Instructions Precautions Indoor Unit, Outdoor Unit Indoor Unit Air Outlet Signal Receptor Receives the signals from the remote control. (Signal receiving sound: two short beeps or one long beep.) Operation Indication Lamps On/Off : Lights up during the system operation. Filter Sign : Lights up after 2400 hours from the time of first operating unit.

  • Page 6: Remote Controller

    Name and Function of Remote Controller Remote Controller AUTO SWING Timer Operation unit Set no. Time Timer Cancel Program Week Hour Operation display Displays the operation conditions. On/Off Button Operation starts when this button is pressed, and stops when the button is pressed again. Set Temperature Button Used to set the temperature when the desired temperature is obtained.
  • Page 7 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. Signal transmitter (Transmits the signals to the signal receptor) CANCEL Heat Pump Model Cooling Model •...
  • Page 8 Set the Current Time and day of the Week Unless you press any button about 5 (sometimes 10) seconds while setting function, the setting mode returns to initial mode. Press the ' ' button. Hour Each time the button is pressed, the number is changed from This number indicates current hour.
  • Page 9 Weekly Programming Press the Program button. The remote controller is displayed like a picture. Then ' Program Week Press the ' ' button. Week Press button repeatedly until desired mode appears. For example, if you want Thu, press Select the time you want. Press button, then blinking letter is shown.
  • Page 10 Holiday Setting If Tuesday is a holiday in this week, you may set a holiday. Press the Program button. Press the Week button. Select the Tuesday. Press the Holiday button. Then the remote controller will be displayed ' The outside rectangular means holiday. Timer Setting If you want to turn it 'ON' during 'OFF' mode or turn it 'OFF' during 'ON' mode, you can use timer setting function.
  • Page 11 Operation Mode Cooling Mode Soft Dry Mode Heating Mode Auto Mode (Heat Pump Model) Operation Procedure On/Off Button Operation Mode Selection Button Room Temperature Setting Button Indoor Fan Speed Selection Button Cooling Mode Soft Dry Mode Auto Mode (Cooling Model) AUTO SWING OPERATION SET TEMP...

  • Page 12: Cooling Operation

    Cooling Operation Mode Press the On/Off Button. Select Cooling Operation. Press the Operation Mode Selection Button. Each time the button is pressed, the operation mode is shifted in the arrow direction. HEAT PUMP MODEL Operation Display AUTO SWING OPERATION SET TEMP Room Temp Time Timer...
  • Page 13 Soft Dry Operation Mode This mode dehumidifies without overcooling. Press the On/Off Button. Select Soft Dry Operation. Press the operation Mode Selection Button. Each time the button is pressed, the operation mode is shifted in the arrow direction. HEAT PUMP MODEL Operation Display AUTO SWING OPERATION...
  • Page 14 Heating Operation Mode (Heat pump model only) Press the On/Off Button. Select Heating Operation. Press the Operation Mode Selection Button. Each time the button is pressed, the operation mode is shifted in the arrow direction. Operation Display AUTO SWING OPERATION SET TEMP Room Temp Time...

  • Page 15: Cooling Operation Mode

    Auto Operation Mode (Cooling model) Press the On/Off Button. 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. COOLING MODEL Operation Display AUTO SWING OPERATION SET TEMP...
  • Page 16 Auto Operation Mode (Heat pump model) Press the On/Off Button. 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. HEAT PUMP MODEL Operation Display AUTO SWING OPERATION...
  • Page 17 FAN Operation Mode Press the On/Off Button. Press FAN Operation Button. Each time Fan Speed button is pressed, the fan speed mode is shifted in the arrow direction. • Fan speed is high. • Fan speed is medium. • Fan speed is low. AUTO SWING Timer Operation unit...
  • Page 18 Jet Cool Operation Mode AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION Room Temp AUTO Heater Preheat Defrost Humidify Filter Out door Time ZONE 1 2 3 4 Timer Operation unit Program set Set no. Time Timer Cancel Program Week Holiday Plasma...

  • Page 19: Operation Procedure

    Auto Swing Mode Press the On/Off button. (Confirm the unit on operation.) Child Lock Function This is the Function that any children cannot used to the air-conditioner. Operation procedure To set the Child-Lock Function Press the Timer button and Minute Set button for three seconds. Then the operation mode shift to child lock mode and it is displayed ‘...
  • Page 20 Forced Operation Operation procedures when the remote control can't be used. Press the tact switch (Forced operation) for 2 seconds. If you want to stop operation, press again the tact switch. In case the power comes on again after power failure on the Forced Operation mode, the operating conditions are automatically set as follows: During Forced Operation, the initial mode continues.

  • Page 21: Air Filters

    Care and maintenance of the air Care and conditioner Maintenance 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.
  • Page 22 Purifying filter (Optional) Cleaning The PLASMA filter behind the air filters should be checked and cleaned once every 3 months or more often if necessary. Replacement • Recomended use period : About 2 years Open front panel and remove air filter.

  • Page 23: Helpful Information

    When the air conditioner is not GOING to be used for a long time. When it is not going to be used for a long time. Operate the air conditioner at the following settings for 2 to 3 hours. • Type of operation: Fan operation mode.(Refer to page 17.) •...

  • Page 24: Troubleshooting Tips

    Troubleshooting Tips Troubleshooting Tips! Save time and money! Check the following points before requesting repairs or service... If the malfunction persist, please contact your dealer. Case The air conditioner does not operate. The room has a peculiar odor. It seems that condensation is leaking from the air conditioner.
  • Page 25 P/No.: 3828A20111P Printed in Korea After reading this manual, keep it in a place easily accessible to the user for future reference.

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