LG UT48ACP Owner's Manual
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LG UT48ACP Owner's Manual

LG UT48ACP Owner's Manual

Cassette-type air conditioner
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LG 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.
LG

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Summary of Contents for LG UT48ACP

  • Page 1: Air Conditioner

    LG 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 Cassette- Type Air Conditioner Owner’s Manual TABLE OF CONTENTS Safety Precautions...3 Operating Instructions...8 Maintenance and Service ...27 Before you call for service ..30 2 Cassette-Type Air Conditioner FOR YOUR RECORDS Write the model and serial numbers here: Model # Serial # You can find them on a label on the side of each unit.

  • Page 3: 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 CAUTION Meanings of symbols used in this manual are as shown below.
  • Page 4 Safety Precautions Do not modify or extend the power cable. • There is risk of fire or electric shock. For installation, always contact the dealer or an Authorized Service Center. • There is risk of fire, electric shock, explosion, or injury. Do not let the air conditioner run for a long time when the humidity is very high and a door or a window is left open.
  • Page 5 Do not allow water to run into electric parts. • It may cause There is risk of fire, failure of the product, or electric shock. When flammable gas leaks, turn off the gas and open a window for ventilation before turn the product on. •...
  • Page 6 Safety Precautions When the product is not be used for a long time, disconnect the power supply plug or turn off the breaker. • There is risk of product damage or failure, or unintended operation. Installation Always check for gas (refrigerant) leakage after installation or repair of product.
  • Page 7 Do not block the inlet or outlet of air flow. • It may cause product failure. Do not step on or put anyting on the product. (outdoor units) • There is risk of personal injury and failure of product. Do not drink the water drained from the product.

  • Page 8: Operating Instructions

    Operating Instructions Operating Instructions 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 Timer...

  • Page 9: Remote Controller

    Name and Function of Remote Controller Remote Controller AUTO SWING OPERATION Timer Operation unit Set no. Time Timer Cancel Program Week Holiday Set/Clr 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.
  • Page 10 Operating Instructions 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 11 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 You can set the number of the current hour.
  • Page 12 Operating Instructions Weekly Programming Press the Program button. The remote controller is displayed like a picture. Then ' Program Week Press the ' ' button. Select the Monday. Week Change the timer setting until the desired time is set. After you select a time, push the SET/CLR button once or one more time.
  • Page 13 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. You cannot set the weekly program for a holiday.
  • Page 14 Operating Instructions 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 14 Cassette-Type Air Conditioner Cooling Mode Soft Dry Mode Auto Mode (Cooling Model) AUTO SWING...

  • Page 15: Cooling Operation Mode

    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 Room Temp Time...
  • Page 16 Operating Instructions 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...
  • Page 17 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 Room Temp...
  • Page 18 Operating Instructions 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...
  • Page 19 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 20 Operating Instructions 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 Auto. • Fan speed is high. •...
  • Page 21 Comfort Operation with Swirl • It is the function for comfort cooling/heating operation. • The diagonal two louvers are opened the more larger than the other louvers. After one minute, it is opposite. AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION Room Temp AUTO Heater...
  • Page 22 Operating Instructions Vane Control You can change the open angle to the install situation. Press the On/Off Button. Press the right arrow and auto swing button simultaneously for three seconds. Then the display will be toggled like before. Detach your finger from buttons at the moment that it is displayed "P0" in the operation display.
  • Page 23 Jet Cool Operation Mode AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION Room Temp AUTO Heater Preheat Defrost Humidify Filter Out door 1 2 3 4 Time ZONE Timer Operation unit Program set Set no. Time Timer Cancel Program Week Holiday Plasma...

  • Page 24: Operation Procedure

    Operating Instructions 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 1. 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 25 PLASMA Purification Operation(Optional) AUTO SWING OPERATION SET TEMP FAN SPEED SUB FUNCTION Room Temp AUTO Heater Preheat Defrost Humidify Filter Out door 1 2 3 4 Time ZONE Timer Operation unit Program set Set no. Time Timer Cancel Program Week Holiday Plasma SET/CLR...

  • Page 26: Helpful Information

    Operating Instructions 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 27: 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. NOTICE Supply power must be disconnected before cleaning the indoor unit. Air Filters The air filters behind the front grille should be checked and cleaned once every 2 weeks or more often if...
  • Page 28 Maintenance and Service 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 29 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 20.) •...

  • Page 30: Before You Call For Service

    Before you call for service... Before you call for service... Troubleshooting 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 31 P/No.: 3828A22005B Printed in Korea After reading this manual, keep it in a place easily accessible to the user for future reference.

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