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e-mail http://www.lge.com Ceiling Duct Type 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. •...
Safety precautions Safety Precautions Warning ........2 Caution .........3 To prevent injury to the user or other people and property damage, the Operating Instructions following instructions must be followed. Name and Function of Incorrect operation due to ignoring of instruction will cause harm or Remote Controller ....4 damage.
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. •...
Operating Instructions Name and Function of Remote Controller Remote Controller 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.
Optional Function • WIRELESS REMOTE CONTROLLER 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. FAN Operation Button Remote Controller Used to circulate room air without cooling or heating.
Set the Current Time and a day of the Week Press the ' ' button. Hour 0 0 0 0 2 2 3 3 Each time the button is pressed, the number is changed from You can set the number of the current hour. AUTO SWING OPERATION SET TEMP...
Weekly Programming Press the Program button. The remote controller is displayed like a picture. Then ' ', ' ' and '01' is blinked. Program set Program AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION Room Temp AUTO Heater Preheat Defrost Humidify Filter...
Holiday Setting If Tuesday is a holiday in this week, you may set a holiday. Program Press the Program button. Week Press the Week button. Select the Tuesday. Holiday Press the Holiday button. AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION Room Temp AUTO Heater...
Operation Mode Cooling Mode Cooling Mode Soft Dry Mode Soft Dry Mode Auto Mode Heating Mode (Cooling Model) Auto Mode (Heat Pump Model) Operation Procedure On/Off Button AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION Room Temp AUTO Heater Preheat Defrost Humidify...
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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 FAN SPEED SUB FUNCTION AUTO SWING...
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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...
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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 FAN SPEED SUB FUNCTION...
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Auto Operation Mode 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 SET TEMP FAN SPEED...
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FAN Operation Press the On/Off Button. Press FAN Operation Button. Each time Indoor Fan Speed button is pressed, the fan speed mode is shifted in the arrow direction. AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION AUTO SWING...
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.
Care and maintenance Caution: Before performing any maintenance, turn off the main power to the system. Indoor Unit Grille, Case, and Remote Control Never use any of the followings: Turn the system off before cleaning. To • Water hotter than 40°C clean, wipe with a soft, dry cloth.
When the air conditioner is not going to be used for a long time. When it is not going to be used for When the air conditioner is to be used again. a long time. Operate the air conditioner on Air circulation Check that the air inlet and outlet of the mode (Refer to page 14) for 2 to 3 hours.
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. The air conditioner The room has a It seems that Air conditioner does does not operate.