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. 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.
Ceiling Cassette Multi Type Air Conditioner Owner’s Manual TABLE OF CONTENTS F or Your Records Write the model and serial numbers here: Model # Serial # 1. Safety Precautions You can find them on a label on the side of each unit. 2. Operating Instructions Dealer's Name 3. Care and Maintenance Date Purchased 4. Before you call for service R ead This Manual Inside you will find many helpful hints on how to use and maintain your air conditioner properly.
Safety Precautions Precautions WARNING This symbol shows the possibility of death or serious injury. CAUTION This symbol indicates the possibility of injury or damage to property. Never Do This Always Do This Installation precautions WARNING WARNING ■ Do not install, remove and reinstall the unit by yourself. • Improper installation will cause water leakage, electrical shock, or fire. Please consult authorized dealer or specialist for the installation work.
CAUTION CAUTION • 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. CAUTION CAUTION Do not clean the air conditioner with water. • Water may enter the unit and degrade the insulation. It may cause an electric shock.
Safety Precautions Operating Instructions ENGLISH Indoor Unit, Outdoor Unit Indoor Unit Heat Pump Model Signal Receptor Anti-bacteria Air Intake Cooling Model Air Outlet Remote Controller Signal Receptor 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. (Refer to page 20.
Name and Function of Remote Controller Remote Controller AUTO SWING OPERATION SET TEMP Room Temp Operation unit 03 SUB FUNCTION HI MED LO AUTO Heater Preheat JET Defrost Humidify Filter Out door ZONE 1 2 3 4 Time Timer On Off Set no.
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. 1 OPERATION DISPLAY Displays the operation conditions. 2 ON/OFF BUTTON Operation starts when this button is pressed and stops when the button is pressed again. 3 JET COOL BUTTON Used to select jet cool mode. 1 4 ON/OFF TIMER BUTTONS Used to set the time of starting and stopping operation. 5 TIME SETTING BUTTONS Used to adjust the time.
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. 1 Press the ' ' button. Hour Each time the button is pressed, the number is changed from 00 to 23. This number indicates current hour.
ENGLISH Weekly Programming 1 Press the Program button. The remote controller is displayed like a picture. Then ' Program Program set AUTO SWING ', ' OPERATION ' and '01' is blinked. SET TEMP Room Temp 2 Week Press the ' Press Week 03 AUTO Heater Preheat JET Defrost Humidify Filter Out door ZONE 1 2 3 4 Program set 05 07 09 ' button. button repeatedly until desired mode appears. Week Week For example, if you want Thu, press 3 button 4 times. Select the time you want.
Holiday Setting If Tuesday is a holiday in this week, you may set a holiday. AUTO SWING OPERATION SET TEMP Room Temp Press the Program button. AUTO Heater Preheat JET Defrost Humidify Filter Out door ZONE 1 2 3 4 Time Timer Week 2 Operation unit Program set On Off Set no. Time 01 03 AUTO SWING OPERATION 05 07 09 11 13 SET TEMP Press the Week button. Select the Tuesday. Room Temp 3 Press the Holiday button.
ENGLISH Operation Mode Cooling Mode Cooling Mode Soft Dry Mode Soft Dry Mode Heating Mode Auto Mode (Cooling Model) Auto Mode (Heat Pump Model) Operation Procedure 1st On/Off Button AUTO SWING OPERATION SET TEMP Room Temp 2nd Operation Mode Selection Button Operation unit 03 SUB FUNCTION AUTO Heater Preheat JET Defrost Humidify Filter Out door ZONE 1 2 3 4 HI MED LO Time Timer On Off Set no.
Cooling Operation Mode 1 Press the On/Off Button. Cooling Operation. 2 Select Press the Operation Mode Selection Button. Each time the button is pressed, the operation mode is shifted in the arrow direction.
ENGLISH Soft Dry Operation Mode This mode dehumidifies without overcooling. 1 Press the On/Off Button. 2 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.
Heating Operation Mode (Heat pump model only) 1 Press the On/Off Button. 2 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 Operation unit 03 07 09 11 SET TEMP 15 17 On Off 21 Set no.
ENGLISH Auto Operation Mode (Cooling model) 1 Press the On/Off Button. Auto Operation, press the Operation Mode Selection button. 2 ToEachselect 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 FAN SPEED Room Temp Operation unit 03 AUTO SWING 07 09 11 15 17 19 21 FAN SPEED Operation unit On Off Set no.
Auto Operation Mode (Heat pump model) 1 Press the On/Off Button. Auto Operation, press the Operation Mode Selection button. 2 ToEachselect time the button is pressed, the operation mode is shifted in the direction of the arrow. HEAT PUMP MODEL Operation Display AUTO SWING OPERATION SET TEMP Room Temp Operation unit 03 AUTO SWING SUB FUNCTION Timer Program set 05 07 09 11 13 15 17 19 Cooling Operation setting temperature 3 The can be changed, when the set temperature button is pressed.
ENGLISH FAN Operation Mode 1 Press the On/Off Button. 2 Press FAN Operation Button. AUTO SWING OPERATION SET TEMP Room Temp 03 SUB FUNCTION HI MED LO AUTO Heater Preheat JET Defrost Humidify Filter Out door ZONE 1 2 3 4 Time Operation unit Timer On Off Set no. Time 01 FAN SPEED Program set 05 07 09 11 13 15 17 19 21 23 time Fan Speed button is pressed, the fan speed mode is shifted in the arrow 3 Each direction. AUTO SWING OPERATION SET TEMP Room Temp • Fan speed is high.
Jet Cool Operation Mode the On/Off button. 1 Press The unit will respond with a beep. AUTO SWING OPERATION SET TEMP Room Temp Operation unit 03 Timer Cancel Program Week SUB FUNCTION HI MED LO AUTO Heater Preheat JET Defrost Humidify Filter Out door ZONE 1 2 3 4 Time Timer On Off Set no. Time 01 FAN SPEED Program set 05 07 09 11 13 15 17 19 21 23 the Jet Cool button to operate the 2 Press speed cooling mode and the unit will operate in super high fan speed on cooling mode.
ENGLISH Auto Swing Mode Pr Ca og ram We e Ho ur Min SE nc 3 19 el 4 21 23 k T/C Ho lid ay LR Pla RE SE sm a T the On/Off 1 Press button. (Confirm the unit on operation.) the Auto Swing 2 Press button then the horizontal louvers swing up and down automatically. Press again the Auto 3 Swing button to cancel the Auto Swing mode. Child Lock Function This is the Function that any children cannot used to the air-conditioner.
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.
Care and maintenance of the air conditioner Care and Maintenance ENGLISH 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. Anti-biofilter Air Intake Air Outlet Air Filters Remote Controller The air filters behind the front grille should be checked and cleaned once every 2 weeks or more often if neccessary.
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. 1 After removing the air filters, pull slightly forward to remove the PLASMA filter. 2 Dip the PLASMA filter into the water mixed with neutral detergent, for 20~30 minutes. 3 Dry the PLASMA filter in the shade for a day (Especially, the humidity must be removed perfectly on this parts). 4 Note the cuts of electric discharge lines.
When it is not going to be used for a long time. 1 2 When the air conditioner is to be used again. Operate the air conditioner at the following settings for 2 to 3 hours. • Type of operation: Fan operation mode.(Refer to page 17.) • This will dry out the internal mechanisms. Turn off the breaker. 1 Clean the air filter and install it in the indoor unit. (Refer to page 21 for cleaning it.) 2 Check that the air inlet and outlet of the indoor/outdoor unit are not blocked.
Troubleshooting Tips Before you call for 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 The air conditioner does not operate. The room has a peculiar odor. It seems that condensation is leaking from the air conditioner. Air conditioner does not operate for about 3 minutes when restart. Does not cool or heat effectively. The air conditioner operation is noisy.
P/No.: 3828A20111Q Printed in Korea After reading this manual, keep it in a place easily accessible to the user for future reference.
