LG S12ETK

LG Dual Cool S12ETK S3-W12JA2AA 12000 BTU Wall Inverter Air Conditioner User Manual

Model: S12ETK

1. Important Safety Information

Please read all instructions carefully before operating the appliance. Keep this manual for future reference. Always follow basic safety precautions to reduce the risk of fire, electric shock, or injury to persons.

  • Ensure the power supply matches the specifications of the air conditioner.
  • Do not operate the air conditioner with wet hands.
  • Do not insert fingers or foreign objects into the air inlet or outlet.
  • Ensure proper grounding to prevent electric shock.
  • Keep children away from the unit.
  • Do not attempt to repair or modify the unit yourself. Contact qualified service personnel.

2. Product Overview

The LG Dual Cool S12ETK is a wall-mounted inverter air conditioner designed for efficient cooling and heating. It features a sleek design and advanced technology for optimal climate control.

Front view of the LG Dual Cool S12ETK air conditioner

Figure 2.1: Front view of the indoor unit. This image shows the main body of the LG Dual Cool S12ETK air conditioner, highlighting its compact and modern design suitable for wall mounting.

Side view of the LG Dual Cool S12ETK air conditioner

Figure 2.2: Side profile of the indoor unit. This image provides a view of the unit from the side, illustrating its slim depth and how it sits against a wall.

Main Components:

  • Indoor Unit: Houses the evaporator coil, fan, and control panel.
  • Outdoor Unit: Contains the compressor and condenser coil.
  • Remote Control: For convenient operation of all functions.
  • Air Filter: Located inside the indoor unit for air purification.

3. Setup and Installation

Installation of this air conditioner should only be performed by a qualified and certified technician to ensure proper functioning and safety.

Pre-Installation Checks:

  • Verify the installation location is structurally sound to support the unit's weight.
  • Ensure adequate space around the indoor and outdoor units for proper airflow and maintenance.
  • Confirm electrical wiring meets local codes and the unit's power requirements (230 Volts).

Installation Steps (Summary for User Awareness):

  1. Mount the indoor unit on the wall using the provided mounting plate.
  2. Install the outdoor unit on a stable, level surface, ensuring proper drainage.
  3. Connect the refrigerant piping between the indoor and outdoor units.
  4. Perform electrical wiring connections, ensuring all safety standards are met.
  5. Evacuate the refrigerant lines and check for leaks.
  6. Conduct a test run to verify all functions are operating correctly.

4. Operating Instructions

The LG Dual Cool S12ETK is operated primarily via its remote control. Familiarize yourself with the remote's buttons and display.

Front view of the LG Dual Cool S12ETK air conditioner with louvers open

Figure 4.1: Indoor unit with air louvers open. This image demonstrates the operational state where the air outlet louvers are open, allowing for air circulation.

Basic Operation:

  • Power On/Off: Press the POWER button on the remote control.
  • Mode Selection: Press the MODE button to cycle through modes: Cool, Heat, Dry, Fan, Auto.
  • Temperature Adjustment: Use the TEMP ▲ / ▼ buttons to set your desired temperature.
  • Fan Speed: Press the FAN SPEED button to adjust the fan speed (Auto, Low, Medium, High).
  • Swing Function: Use the SWING button to activate or deactivate the automatic louver swing for even air distribution.

Special Features:

  • Dual Cool: Optimizes cooling performance and energy efficiency.
  • Inverter Technology: Provides precise temperature control and reduces energy consumption.
  • Heating & Cooling Function: Allows for year-round climate control.
  • Sleep Mode: Adjusts temperature automatically for comfortable sleep and energy saving.
  • Timer Function: Set the unit to turn on or off at specific times.

5. Maintenance

Regular maintenance ensures the efficiency and longevity of your air conditioner. Always turn off the power supply before performing any maintenance.

Top view of the LG Dual Cool S12ETK air conditioner showing the filter access

Figure 5.1: Top view of the indoor unit with the front panel slightly open, revealing the air filter access. This illustrates where the user can access and clean the air filters.

Air Filter Cleaning:

  1. Turn off the air conditioner and disconnect the power supply.
  2. Open the front panel of the indoor unit.
  3. Gently remove the air filters.
  4. Clean the filters using a vacuum cleaner or wash them with lukewarm water and a mild detergent.
  5. Allow the filters to dry completely in a shaded area before reinserting them.
  6. Close the front panel.

Frequency: Clean air filters every two weeks or more frequently depending on usage and air quality.

Unit Surface Cleaning:

  • Wipe the indoor unit's surface with a soft, dry cloth.
  • For stubborn dirt, use a damp cloth with a neutral detergent, then wipe dry.
  • Do not use harsh chemicals, abrasive cleaners, or solvents.

Seasonal Maintenance:

  • Before Summer: Check the outdoor unit for obstructions (leaves, debris) and ensure proper drainage.
  • Before Winter: Ensure the heating function operates correctly.
  • Consider professional inspection and cleaning annually.

6. Troubleshooting

Before contacting service, refer to the following table for common issues and their solutions.

ProblemPossible CauseSolution
Unit does not turn onNo power supply; Remote control batteries are dead.Check power connection and circuit breaker; Replace remote control batteries.
Insufficient cooling/heatingDirty air filter; Obstruction in air inlet/outlet; Room size too large for unit capacity.Clean air filter; Remove obstructions; Ensure unit capacity matches room size.
Unusual noiseLoose parts; Unit not level; Foreign object inside.Check for loose parts; Ensure unit is level; Contact service if noise persists.
Water leakage from indoor unitClogged drain hose; Improper installation.Clear drain hose; Contact a qualified technician for inspection.

If the problem persists after attempting these solutions, please contact LG customer support or a certified service technician.

7. Specifications

FeatureDetail
BrandLG
Model InfoS12ETK
Cooling Power12000 British Thermal Units (BTU)
Special FeaturesHeating & Cooling Function, Dual Cool, Inverter Technology
Installation TypeWall-mounted
Form FactorWall
Voltage230 Volts
Wattage126.5 watts
EfficiencyHigh
BEE Star Rating5 Star
Seasonal Energy Efficiency Ratio (SEER)6.6
ColorWhite
Power SourceCorded Electric

8. Warranty and Support

Warranty Information:

LG provides a limited warranty for this product. The specific terms and duration of the warranty may vary by region and purchase date. Please refer to the warranty card included with your product or visit the official LG website for detailed warranty information.

Customer Support:

For technical assistance, service requests, or inquiries regarding your LG Dual Cool S12ETK air conditioner, please contact LG customer support:

  • LG Official Website: Visit www.lg.com for product registration, FAQs, and support resources.
  • Service Center Locator: Find authorized LG service centers in your area through the website.
  • Phone Support: Refer to the contact numbers provided on the LG website for your specific region.

When contacting support, please have your product model number (S12ETK) and serial number ready.

© 2023 LG Electronics. All rights reserved.

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