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 Duct-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 Incorrect operation due to ignoring instructions will cause harm or damage, the seriousness of which is indicated by the following symbols. 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.
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. Ventilate well when used together with a stove, etc.
Operating Instructions Operating Instructions ENGLISH Name and Function of Remote Controller Remote Controller AUTO SWING OPERATION SET TEMP Room Temp Timer Operation unit 3 Signal receptor 5 8 9 10 11 12 13 03 SUB FUNCTION HI AUTO Heater Preheat MED JET Defrost Humidify LO ZONE 1Filter 2 3 Out 4 door Time On Off Set no.
Optional Function • WIRELESS REMOTE CONTROLLER This air-conditioner is equipped with wired remote controller basically. But if you want to have the wireless remote controller, you pay for it. 1 FAN Operation Button Remote Controller Used to circulate room air without cooling or heating. Signal transmitter 2 Cooling Operation Button Transmits the signals to the signal receptor. 3 Soft Dry Operation Button Used to dehumidify without overcooling.
ENGLISH Set the Current Time and a day of the Week 1 Press the ' ' button. Hour Each time the button is pressed, the number is changed from 00 to 23. You can set the number of the current hour. AUTO SWING OPERATION SET TEMP Room Temp AUTO Heater Preheat JET Defrost Humidify Filter Out door ZONE 1 2 3 4 Time Timer Operation unit 2 Press the ' 03 SUB FUNCTION HI MED LO Hour On Off Set no. Time 01 FAN SPEED Program set 05 07 09 11 13 15 17 19 21 23 ' button.
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.
ENGLISH Holiday Setting If Tuesday is a holiday in this week, you may set a holiday. Program 1 Press the Program button. 2 Press the Week button. Select the Tuesday. 3 Press the Holiday button. Week AUTO SWING Holiday OPERATION SET TEMP Room Temp 4 '. Press the Program button again to finish holiday setting. Timer Operation unit On Off Set no.
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 Operation unit 2nd 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.
ENGLISH Cooling Operation Mode 1 Press the On/Off Button. 2 Select Cooling Operation. Press the Operation Mode Selection Button. Each time the button is pressed, the operation mode is shifted in the arrow direction.
Soft Dry Operation Mode This mode dehumidifies without overcooling. 1 2 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.
ENGLISH Heating Operation Mode (Heat pump model only) 1 2 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 Operation unit 03 07 09 Timer 11 13 15 17 Cooling Operation 3 FAN SPEED 03 Program set 05 07 09 11 OPERATION SET TEMP Timer 13 15 17 Operation unit On Off Set no.
Auto Operation Mode 1 Press the On/Off Button. 2 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.
ENGLISH FAN Operation 1 Press the On/Off Button. 2 Press FAN Operation Button. 3 Each time Indoor Fan Speed button is pressed, the fan speed mode is shifted in the arrow direction. AUTO SWING OPERATION SET TEMP Room Temp Operation unit 03 AUTO SWING OPERATION 05 07 09 11 13 SET TEMP Room Temp AUTO SWING OPERATION 19 FAN SPEED 21 23 • Fan speed is low.
Electric Heater Operation Mode(Optional: 48/60k ZL/ZA/ZP Model Only) 1 Press the On/Off Button. 2 Select heating+ E/heater Operation. Press the Operation Mode Selection Button. Press the Heater Operation Button on the remote controller.(When the unit operates in heating mode.) AUTO SWING OPERATION SET TEMP FAN SPEED Room Temp Time Timer Operation unit On Off Set no.
ENGLISH PLASMA Purification Operation (Optional) 1 AUTO SWING OPERATION SET TEMP FAN SPEED Room Temp Operation unit 03 Timer Cancel Program Week AUTO Heater Preheat JET Defrost Humidify Filter Out door ZONE 1 2 3 4 07 09 11 13 15 17 19 21 23 3 Holiday Plasma Min Plasma Open the door on the remote control. Press the PLASMA On/OFF button. Operation will start when the button is pressed and stop when the button is pressed again.
Telephone Control Operation(optional) Calling from outside, you can start the air conditioner to keep the room comfortable. Even though you went out with the air conditioner on, you can turn it off using the phone outside. 1 TURN ON 1 Dial the number which is connected with the air conditioner. 2 After ringing 5 times. 3 You can hear the "Beep" sound (if the air conditioner is off), then press "0" "0" "7" "8" accordingly. 4 With the sound "Beep, Beep" the air conditioner starts on.
1 TURN ON ON OFF 1 Dial the number which is connected with the air conditioner. 2 OGM guide is provided after signal sound rings four times and then "Beep"(sounds from telephone itself) sounds so that outside recording can be done. 3 Slowly press password "0" "0" "7" and "8" in order. 4 With the sound "Beep, Beep" the air conditioner starts on. 5 Hang up the phone. 2 TURN OFF 1 Dial the number which is connected with the air conditioner.
Operation Details • Cooling Operation Mode When the room temperature is higher than the set temperature, it operates in cooling mode at the set temperature, the set fan speed, and then it will be in automatically turn off when the room temperature reaches the set temperature +0.5°C. ROOM TEMP. More 3 minutes OPERATION START SET TEMP. +0.5°C) OPERATION STOP SET TEMP. -0.
Care and maintenance Care and maintenance ENGLISH Caution: Before performing any maintenance, turn off the main power to the system. Indoor Unit ❏ Never use any of the followings: • Water hotter than 40°C Could cause deformation and/or discoloration. • Volatile substances Could damage the surfaces of the air conditioner. Grille, Case, and Remote Control ❏ Turn the system off before cleaning. To clean, wipe with a soft, dry cloth. Do not use bleach or abrasives.
Outdoor Unit The heat exchanger coils and panel vents of the outdoor unit should be checked regularly. If clogged with dirt or soot, the heat exchanger and panel vents may be professionally steam cleaned. Note: Dirty or clogged coils will reduce the operating efficiency of the system and cause higher operating costs.
When the air conditioner is to be used again. When it is not going to be used for a long time. 1 ■ Check that the air inlet and outlet of the indoor/outdoor unit are not blocked. Operate the air conditioner on Air circulation mode (Refer to page 15) for 2 to 3 hours. • This will dry out the internal parts. 2 Turn off the circuit breaker. Helpful information CAUTION CAUTION The air filters and your electiric bill.
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 Explanation See page The air conditioner does not operate. • Have you made a mistake in timer operation? • On first starting, the indoor unit operates in fifteen seconds.
P/No.: 3828A20167A Printed in Korea After reading this manual, keep it in a place easily accessible to the user for future reference.