LG S18ATC Owner's Manual
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LG S18ATC Owner's Manual

LG S18ATC Owner's Manual

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OWNER'S MANUAL
AIR CONDITIONER
Read this owner's manual thoroughly before operating the
appliance and keep it handy for reference at all times.
TYPE: WALL MOUNTED
EN ENGLISH
Rev.01
Copyright © 2023 - 2024 LG Electronics Inc. All Rights Reserved
www.lg.com

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Summary of Contents for LG S18ATC

  • Page 1 OWNER’S MANUAL AIR CONDITIONER Read this owner's manual thoroughly before operating the appliance and keep it handy for reference at all times. TYPE: WALL MOUNTED EN ENGLISH www.lg.com Rev.01 Copyright © 2023 - 2024 LG Electronics Inc. All Rights Reserved...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS This manual may contain images or content different from the model you purchased. This manual is subject to revision by the manufacturer. SAFETY INSTRUCTIONS ..............3 IMPORTANT SAFETY INSTRUCTIONS ............3 NAMES OF PARTS ............... 11 Indoor Unit....................... 11 Outdoor Unit ....................

  • Page 3: Safety Instructions

    SAFETY INSTRUCTIONS The following safety guidelines are intended to prevent unforeseen risks or damage from unsafe or incorrect operation of the appliance. The guidelines are separated into ‘WARNING’ and ‘CAUTION’ as described below. This symbol is displayed to indicate matters and operations that can cause risk.

  • Page 4: Installation

    Installation • Do not install the air conditioner on an unstable surface or in a place where there is danger of it falling. • Contact an authorized service center when installing or relocating the air conditioner. • Install the panel and the cover of the control box safely. •...

  • Page 5: Operation

    • Means for disconnection must be incorporated in the fixed wiring in accordance with the wiring rules. • Do not install the unit in potentially explosive atmospheres. Operation • Be sure to use only those parts listed in the service parts list. Never attempt to modify the equipment.

  • Page 6: Technical Safety

    • Do not block the inlet or outlet of air flow. • Do not insert hands or other objects through the air inlet or outlet while the air conditioner is operating. • Make sure that the power cable is neither dirty, loose, nor broken. •...
  • Page 7 • The information contained in the manual is intended for use by a qualified service technician who is familiar with the safety procedures and equipped with the proper tools and test instruments. • Failure to read and follow all instructions in this manual can result in equipment malfunction, property damage, personal injury and/or death.
  • Page 8 CAUTION To reduce the risk of minor injury to persons, malfunction, or damage to the product or property when using this product, follow basic precautions, including the following: Installation • Do not install the air conditioner in an area where it is directly exposed to sea wind (salt spray).
  • Page 9 Operation • Remove the batteries if the remote control is not to be used for an extended period of time. • Make sure that the filter is installed before operating the air conditioner. • Be sure to check if there is a refrigerant leak after installing or repairing the air conditioner.
  • Page 10 Maintenance • Never touch the metal parts of the air conditioner when removing the air filter. • Use a sturdy stool or ladder when cleaning, maintaining, or repairing the air conditioner at a height. • Never use strong cleaning agents or solvents when cleaning the air conditioner or spray water.

  • Page 11: Names Of Parts

    NAMES OF PARTS Indoor Unit Outdoor Unit Front panel Front panel Air outlet grille Air outlet grille Air filter Air filter Outdoor unit rating label Outdoor unit rating label Optional filter (if installed) Optional filter (if installed) Terminal block cover Terminal block cover LED Display LED Display...

  • Page 12: Indoor Unit Display

    INDOOR UNIT DISPLAY Display Function Temperature display (if present)/Error code. Lights up during Timer operation. SLEEP mode. NOTE • The shape and position of switches and indicators may be different according to the model, but their function is the same.

  • Page 13: Emergency Function

    EMERGENCY FUNCTION Emergency Function In forced operation, the air conditioner will automatically start working in 23 °C cooling/ If the remote controller fails to work or Heating mode, auto fan speed. maintenance necessary, proceed as follows: Open and lift the front panel up to an angleto reach the emergency button.

  • Page 14: Remote Controller

    REMOTE CONTROLLER Using Wireless Remote Control You can operate the air conditioner more conveniently with the remote control. b Display a Button Description Screen Dual To set or cancel dual sensing mode operation. Sensing To turn On/Off the air conditioner. To turn On/Off the air conditioner indoor Light Off display.

  • Page 15: Replacement Of Batteries

    Replacement of Batteries NOTE • Direct the remote controller toward the air When : There is no confirmation beep heard from conditioner. the indoor unit. The LCD doesn’t act. • Check that there are no objects between the Remove the battery cover plate from the rear of remote control and the signal receptor in the the remote controller, by sliding it in the direction indoor unit.

  • Page 16: Operating Instructions

    OPERATING INSTRUCTIONS Cooling Mode Auto Mode (auto changeover / auto The cooling function allows the air conditioner to operation mode) cool the room and at the same time reduces air humidity. In Auto mode, the air conditioner will run To activate the Cooling mode of operation, press automatically according to the room temperature.

  • Page 17: Dry Mode

    Dry Mode Heating Mode This function reduces the humidity of the air to The heating function allows the air conditioner to make the room more comfortable. heat the room. To activate the Dry mode of operation, press the To activate the Heating mode of operation, press Mode button on the remote controller until the the Mode button on the remote controller until the symbol q appears in the display.

  • Page 18: Fan Mode

    Fan Mode Fan Speed The air conditioner works in only ventilation. Adjusting the Fan Speed To activate the Fan mode of operation, press the • Press Fan Speed button repeatedly to adjust Mode button on the remote controller until the the fan speed.

  • Page 19: Light Off

    Light Off Jet Mode Switch on/off the LED display on panel. To activate Jet Mode function, pressing the button Jet Mode or pressing the button Fan Speed until To turn off the panel display, press Light Off appears on the display. button.

  • Page 20: Swing Control

    Swing Control Dual Light Sensing Vertically Swing Mode Speed Press the button to activate the “Vertically Swing”. Temp. Energy • If press time interval is in 2 seconds, the swing Saving Mode will cycle as below: Room Deactivate Temp Swing Swing (5 s) SET UP...

  • Page 21: Energy Saving

    Energy Saving Dual Light Sensing In this mode the appliance automatically sets the operation to achieve energy savings. Mode Speed Turn on the appliance and select a Cooling, Temp. Heating mode. Energy Saving Mode Press the “Energy Saving” button, the Room appliance will run in Energy Saving mode.

  • Page 22: Dual Sensing

    Dual Sensing Room Temp Press the “Dual Sensing” button, the appliance will Room temperature is displayed about 5 seconds if run in Dual Sensing mode. you press Room Temp. button. Pressing the “Dual Sensing” button again will cancel the mode, symbol will no longer be shown Change Celsius to on the LCD screen.

  • Page 23: Setting The On/Off Timer

    Setting the On/Off Timer Setting the Off Timer This function sets the air conditioner to turn on/off Press button. automatically at desired time. • The icon below blinks at the bottom of the display screen. Setting the On Timer Press button.

  • Page 24: Using The Sleep Function

    Using the Sleep Function Using Special Function Turn the appliance on. Turn the appliance on. Press Sleep button. Press button repeatedly to select the Func. desired function. • The icon below blinks at the bottom of the display screen. Press Set/Cancel button to finish. Do it again to deactivate this function.

  • Page 25: Protection

    PROTECTION The air conditioner is programmed for comfortable and suitable living conditions, if it is used in abnormal conditioner as below, certain safety protection features might come into effect. Fix air conditioner: MODE Temperature Cooling operating Heating operating Room temperature 16 °C ~ 31 °C 16 °C ~ 31 °C Outdoor temperature...

  • Page 26: Maintenance

    MAINTENANCE Periodic maintenance is essential for keeping your Clean the filter with water; if the filter is soiled air conditioner efficient. with oil, it can be washed with warm water (not exceeding 45 °C). Before carrying out any maintenance, disconnect Leave to dry in a cool and dry place.

  • Page 27: Troubleshooting

    TROUBLESHOOTING Please check the following before you contact the service center. If the problem persists, contact your local service center. Malfunction Possible Causes Power failure/plug pulled out. Damaged indoor/outdoor unit fan motor. Faulty compressor thermomagnetic circuit breaker. Faulty protective device or fuses. The appliance does not Loose connections or plug pulled out.

  • Page 28: Error Signals On The Display

    Error Signals on the Display In case of error, the display on the indoor unit shown the following error codes: RUN lamp Description of the trouble The fault of indoor temperature sensor. Flashes once The fault of indoor pipe temperature sensor. Flashes twice Malfunction of indoor fan motor.

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