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LG Ceiling Cassette-Type Air Conditioner Owner's Manual
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LG Ceiling Cassette-Type Air Conditioner Owner's Manual

LG Ceiling Cassette-Type Air Conditioner Owner's Manual

Ceiling cassette-type air conditioner
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LG Ceiling Cassette-Type

Air Conditioner

OWNER'S MANUAL
Visit us at http://www.lgservice.com
IMPORTANT
• Please read this owner's manual carefully and thoroughly
before installing and operating your room air conditioner.
• Please retain this owner's manual for future reference after
reading it thoroughly.
LG

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Summary of Contents for LG Ceiling Cassette-Type Air Conditioner

  • Page 1: Air Conditioner

    Visit us at http://www.lgservice.com LG Ceiling Cassette-Type Air Conditioner OWNER'S MANUAL IMPORTANT • Please read this owner's manual carefully and thoroughly before installing and operating your room air conditioner. • Please retain this owner's manual for future reference after reading it thoroughly.
  • Page 2 Air Conditioner Owner’s Manual TABLE OF CONTENTS FOR YOUR RECORDS A. Safety Precautions .......3 Write the model and serial numbers here: B. Product Introduction....6 Model # C. Operating instructions....10 Serial # You can find them on a label on the side of each unit. D.

  • 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 .

  • Page 6: Product Introduction

    Product Introduction Product Introduction Here is a brief introduction of the indoor and outdoor units. Please see the information specific to your indoor unit type. Indoor Units [Ceiling Cassette Type] Cabinet Air Discharge Front Panel Signal receiver Air Inlet Outdoor Unit Air intake vents Control cover Connecting wire...
  • Page 7 Product Introduction Operation Indication Lamps [Ceiling Cassette Type] On/Off : Lights up during the system operation. Filter Sign : Lights up after 2400 hours from the time of first operating unit. Timer : Lights up during Timer operation. Defrost Mode : Lights up during Defrost Mode or Hot Start operation.(Heat pump model only) •...
  • Page 8 Product Introduction Wired Remote Controller OPERATION INDICATION SCREEN SET TEMPERATURE Button WIRELESS REMOTE CONTROLLER RECEIVER • Some products don't receive the wireless signals. VENTILATION Button OPERATION MODE SELECTION Button SUBFUNCTION Button FUNCTION SETTING Button EXIT Button ON/ OFF Button ROOM TEMPERATURE Button FAN SPEED Button AIR FLOW Button RESERVATION/ TIME SETTING...
  • Page 9 Product Introduction Wireless Remote Controller PLASMA Button (Optional) Used to start or stop the plasma-purification function. JET COOL Button Speed cooling operates super high fan speed. OPERATION MODE SELECTION Button Used to select the operation mode. FUNCTION SETTING Button Used to set or clear Auto Clean or Amart Clean. LCD LUMINOSITY Button (Optional) Used to adjust LCD luminosity SMART CLEAN Button (Optional)

  • Page 10: Operating Instructions

    Operating Instructions Operating instructions Cooling Mode - Standard Operation 1. Wired Remote Controller 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. When setting the desired temperature higher than room temperature, only ventilation wind is blow out instead of cooling wind.
  • Page 11 Operating Instructions Cooling Mode - Power Cooling It makes the room cool using pleasant and fresh air quickly 1. Wired Remote Controller Press button to turn on the indoor. Press button to select Cooling operation mode. Press button continuously until "Po" displayed. 2.
  • Page 12 Operating Instructions Heating Mode 1. Wired Remote Controller Press button to turn on the indoor. Press button to select Heating mode. Adjust the desired temperature by pressing buttons. When setting the desired temperature lower than room temperature, there is only ventilation wind. Setting Temp Range : 16˚C~30˚C.
  • Page 13 Operating Instructions Dehumidification Mode 1. Wired Remote Controller 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 SLO LO ’...
  • Page 14 Operating Instructions 2. Wireless Remote Controller Press the ON/OFF button. The unit will respond with beep sound. Press MODE button to select Dehumidification Mode. Set the fan speed. You can select the fan speed in four steps - low, medium, high, or chaos. Each time the button is pressed, the fan speed mode is shifted.
  • Page 15 Operating Instructions Auto Changeover Mode 1. Wired Remote Controller Press button to turn on the indoor. Press button to select Auto Changeover Mode. The setting temperature as the right side picture can be set in both cooling/ heating model. Setting Temp Range : 18˚C~30˚C. 2.
  • Page 16 Operating Instructions Fan Mode 1. Wired Remote Controller Press button to turn on the indoor. Press button to select Fan mode Press the button to select airflow rate SLO (NONE) (The lists depends on products function) 2. Wireless Remote Controller Press the ON/OFF button.
  • Page 17 Operating Instructions Ariflow Setting We can simply adjust the desired airflow rate 1. Wired Remote Controller Press buttons to set the desired airflow direction. • (NONE) • Display of these lists depends on products function. NONE : Released swirl 2. Wireless Remote Controller Up/Down Airflow Direction Control 1.
  • Page 18 Operating Instructions Temperature setting/ room temperature check 1. Wired Remote Controller We can simply adjust the desired temperature. • Press the buttons to adjust the desired temperature. : Increase 1˚C per one time pressing : Decrease 1˚C per one time pressing Room temp: Indicate the current room temperature.
  • Page 19 Operating Instructions 2. Wireless Remote Controller 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 Room temp: Indicate the current room temperature Set temp: Indicate the temperature that user want to set <Cooling Mode>...
  • Page 20 If you press the PLASMA button, Plasma Purification operates. • Plasma filter is a technology developed by LG to get rid of microscopic contaminants in the intake air generating a plasma of high charge electrons. This plasma kills and destroys the contaminants completely to provide clean and hygienic air.
  • Page 21 Operating Instructions Function setting : Child Lock This function is to prevent children or other people from using indoor. • Press button. • Repeat pressing button until the icon flash. • When the button flashing, press button to set this function. •...
  • Page 22 Operating Instructions Installer Setting-Celsius / Fahrenheit Switching 1. Wired Remote Controller This function is used for switching the display between Celsius and Fahrenheit. (Optimized only for U.S.A) Press button for 4 seconds to enter the installer setting mode until timer segment display “01:01”.
  • Page 23 Operating Instructions 2. Wireless Remote Controller Press the °C/°F SWITCH button to change from Celsius to Fahrenheit or from Fahrenheit to Celsius. Whenever press TEMPERATURE SETTING button in Fahrenheit mode, the temperature will increase/drop 2°F. Function setting : Filter Sign Clear This function is to clear the indicator of indoor filter cleaning.
  • Page 24 Operating Instructions Function setting : Vane Angle Control This function is to adjust angle at which airflow is blow out. Press button. Repeat pressing button until icon flash. Ex) Setting second Vane Angle as 'P3' Press button to select active vane: 1/2/3/4/All 1-4: control individually each vane All: control all vane with the same duration.
  • Page 25 Operating Instructions Setting Current Time 1. Wired Remote Controller Keep pressing button for 4 secs to enter Setting current time mode. Press key to adjust the current day. Press key to move to AM/ PM setting mode (the 'AM/ PM segment will flash). Setting AM/ PM value by pressing button.
  • Page 26 Operating Instructions 2. Wireless Remote Controller 1. Press the TIMER button for 3 seconds. 3. Press the SET / CLEAR button. 2. Press TIME SETTING buttons until the desired time is set. NOTE Check the indicator for A.M. and P.M. Programming : Setting Simple Reservation(Wired Remote Controller) In case of there is not any reservation setup on system, it is possible to make a SIMPLE reservation on indoor unit.
  • Page 27 Operating Instructions Programming : Weekly Reservation(Wired Remote Controller) The weekly reservation is active after setting current time Press button to enter the reservation setting mode. Repeat pressing button to enter the weekly reservation setting mode. ( segment flashing) Set the ON/ OFF reservation for day in week - Press to adjust timing and Left/ Right to shift to next setting mode.
  • Page 28 Operating Instructions Programming : Setting Sleep Reservation(Wired Remote Controller) This function is able to turn off Air conditioner when sleeping or after some hours. Press button to enter the Programming mode. Repeat pressing button to enter the SLEEP reservation setting mode. segment flashing) Press button to adjust reservation time.
  • Page 29 Operating Instructions Programming : Setting ON Reservation(Wired Remote Controller) This function is able to turn air conditioner ON after a setting time. Press button. Repeat pressing button to enter the ON reservation setting mode. segment flashing) Press button to adjust AM/ PM setting. Press button to Hour setting mode.
  • Page 30 Operating Instructions Programming : Setting OFF Reservation(Wired Remote Controller) This function is able to turn air conditioner OFF after a setting time. Press button. Repeat pressing button to enter the OFF reservation setting mode. segment flashing) Press button to adjust AM/ PM setting. Press button to shift to Hour setting mode.
  • Page 31 Operating Instructions Programming : Holiday Reservation(Wired Remote Controller) This function is to automatically stop the machine working on some days. Press button to enter the reservation setting mode. Repeat pressing button to enter the holiday reservation setting mode. ( segment flashing) Press button to move to holiday position.
  • Page 32 Operating Instructions Timer Setting(Wireless Remote Controller) 1. Press the TIMER button to 3. Press the SET / CLEAR button. turn timer on or off. 2. Press TIME SETTING buttons until the desired time is set. NOTE Select one of the following 3 types of operation. Timer Sleep Timer On Timer Off...
  • Page 33 Operating Instructions Ventilation Kit Control(Optional) If there is a linkage between ventilator and air conditioner, it is able to control this ventilator. Press Ventilation button to turn ON/ OFF the ventilator. In case of operating the ventilator, the ‘Ventilation’ icon will be displayed. Operating ventilation Stop ventilation When turn off ventilator, the ‘Ventilation’...

  • Page 34: Test Operation

    Operating Instructions Forced operation Operation procedures when the remote control can't be used. The operation will be started if the ON/OFF button is pressed. If you want to stop operation, re-press the button. [Ceiling Cassette Type] Forced Operation Button Room Temp. ≥ 24°C(75.2°F) 21°C(69.8°F) ≤...

  • Page 35: 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 36 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 37: Helpful Information

    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 38 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 39 P/No.: MFL42619114 Printed in Korea After reading this manual, keep it in a place easily accessible to the user for future reference.

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