LG AIR CONDITIONER|S4-Q18KL3QE 18000BTU

LG S4-Q18KL3QE Air Conditioner — Full Specifications (Point Form)

🔌 Basic Identification

• Model name: LG S4-Q18KL3QE

• Product type: Split-type air conditioner

• Brand: LG Electronics

• Designed for wall-mounted residential or small commercial cooling and heating

• Unit consists of indoor and outdoor components

❄️ Cooling Performance

• Cooling capacity rated at approximately 1.8 kW (18,000 BTU/h equivalent)

• Suitable for rooms roughly 180–250 square feet depending on insulation

• Rapid cooling designed to reach set temperature efficiently

• Maintains stable temperature with minimal overshoot

🌡 Heating Function (if heat pump)

• Reverse-cycle operation for heating mode

• Heating capacity typically similar to cooling (subject to climate)

• Automatically switches between heating and cooling based on thermostat

• Works efficiently even at moderate outdoor temperatures

🧠 Control & Operation

• Remote controller included with:

  • LCD display

  • Temperature adjustment buttons

  • Mode selection buttons

  • Timer and fan speed controls

• Manual input option if remote is unavailable

• Intelligent thermostat maintains setpoint with minimal fluctuation

• Auto restart after power outage with memory of last settings

🌬 Operating Modes

• Auto mode — automatic function selection based on room conditions

• Cool mode — standard cooling with temperature regulation

• Dry / Dehumidify mode — reduces room humidity without overcooling

• Fan mode — air circulation without active cooling or heating

• Sleep mode — adjusted cooling/heating for overnight comfort

• Turbo / Quick Cool mode — maximum output for rapid cooling

⚙️ Compressor & Refrigerant

• Uses inverter compressor technology for:

  • Smooth speed adjustment

  • Lower energy consumption

  • Reduced noise

• Refrigerant type: R32 (safer and more efficient than older refrigerants)

• Environmentally friendlier with lower global warming potential

🌀 Airflow & Fan Features

• Multi-speed indoor blower fan

• Adjustable louvers for directional airflow

• Automatic swing function to distribute air evenly

• Fan designed for silent operation and smooth airflow

🧼 Filtration & Air Quality

• Built-in washable filter to trap:

  • Dust particles

  • Pet hair

  • Large airborne contaminants

• Optional secondary filters (not included by default):

  • Anti-bacterial filter

  • Deodorizing filter

  • PM2.5 fine dust filter

• Easy access filter for cleaning without tools

📉 Energy & Efficiency

• Inverter technology reduces power usage compared to non-inverter units

• Seasonal Energy Efficiency Ratio (SEER) typically high for efficient performance

• Energy Saving mode adjustable to reduce power draw during low loads

• Smart temperature control reduces unnecessary compressor cycling

🔇 Noise Levels

• Indoor unit operates quietly due to:

  • Low-noise fan design

  • Sound-insulated compressor

• Typical indoor noise range:

  • Low fan speed: whisper-quiet operation

  • High fan speed: moderate airflow noise

• Outdoor unit sound optimized to reduce disturbance

🌍 Installation & Mounting

• Indoor unit intended for high wall installation

• Outdoor unit placed on ground or mounted on brackets

• Requires professional HVAC installation for:

  • Refrigerant piping

  • Electrical connections

  • Secure mounting and insulation

• Standard copper refrigerant lines with insulation

• Drain line required for condensate removal

🧩 Dimensions & Weight (Representative)

• Indoor unit:

  • Slim profile for modern rooms

  • Lightweight compared with older models

  • Designed to be unobtrusive above doors/windows

• Outdoor unit:

  • Weather-resistant protective casing

  • Durable for varied climates

  • Rubber mounting pads minimize vibration transfer

🕹 Advanced Control Options

• Optional smart connectivity (if equipped):

  • Wi-Fi control via mobile app

  • Voice assistant compatibility (if supported)

  • Scheduling and remote monitoring

• Built-in thermostat sensors for:

  • Temperature

  • Load balancing adjustments

📅 Timer & Scheduling

• 24-hour programmable timer

• Sleep timer to automatically adjust temperature overnight

• Auto shut-off to save energy

🔒 Safety & Protection Features

• Overcurrent protection to prevent electrical damage

• Overheat protection for compressor and internal components

• Anti-freeze function to prevent coil freezing

• Surge protection for voltage spikes

🧱 Build & Durability

• Indoor casing made of durable polymer

• Outdoor casing reinforced steel with anti-corrosion coating

• Designed for long service life with routine maintenance

🛠 Maintenance & Service

• Easy-remove front panel for filter access

• Recommended annual professional check for:

  • Refrigerant level

  • Coil cleaning

  • Fan belt and motor inspection

• LED indicators for filter cleaning alerts (if applicable)

📦 Package Includes

• Indoor unit

• Outdoor condenser unit

• Remote control with batteries

• Mounting hardware (basic)

• Installation instructions

📊 User Experience

• Intuitive remote user interface

• LED display shows:

  • Set temperature

  • Mode

  • Timer status

• Smooth temperature control avoids rapid cycling

• Designed for residential comfort and quiet performance