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AT-Q54GMLT1
Inverter Cassette Split 4.5 TR, Inverter Compressor, Corrosion resistant heat exchanger, Quick Cooling

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Inverter Cassette Split 4.5 TR, Inverter Compressor, Corrosion resistant heat exchanger, Quick Cooling
*Certification Air Conditioner, the Korea Air Cleaning Association strictly tests the air cleaning function of air conditioner products and certifies reliable products.
*The Air Purification Kit can be purchased as an option.
  • Real-Time Air Quality Monitoring1 Real-Time Air Quality Monitoring2

    Real-Time Air Quality Monitoring

    Real-time monitoring with a wireless or wired remote controller, panel LED lamp, and smart phone
  • Convenient Attachment and Detachment1 Convenient Attachment and Detachment2

    Convenient Attachment and Detachment

    Easier installation by attachment to the indoor unit body.
  • Human Detection Technology1 Human Detection Technology2

    Human Detection Technology

    Human Detection Sensor recognizes user’s location and presence for maximized energy efficiency and comfort. By sensing human body, direct/indirect wind options are provided for users to choose more pleasant operation mode to make the indoor environment more comfortable. Moreover, energy can be further saved by automatically setting target temperature based on user’s presence.
*Human Detection Sensor can be purchased as an option.
  • Humidity Sensing Technology1 Humidity Sensing Technology2

    Humidity Sensing Technology

    Humidity level of indoor space is comprehended to provide comfort cooling for various climate conditions. For wet summer days with high humidity, colder air is discharged for quick latent heat elimination. For dry summer days with low humidity, milder air is discharged in order to make the room less dry. With humidity sensing function, inconveniences such as air-conditioningitis, dry eye symptoms and dry skin diseases can be resolved.
  • Compact Size1 Compact Size2

    Compact Size

    Slim & compact design of smart 4 way cassette not only saves space but also reduces installation cost. It is designed to suit most of building designs and fit into various spaces.
  • High Ceiling Mode1 High Ceiling Mode2

    High Ceiling Mode

    High Ceiling mode provides powerful cooling and heating up to 4.2m in height, from ceiling to floor. Airflow can be further strengthened by adjusting the fan speed.
  • Independent Vane Control1 Independent Vane Control2

    Independent Vane Control

    The independent vane operation feature uses separate stepping motors, making it possible to control all four vanes independently.
  • Convenient Panel Installation1 Convenient Panel Installation2

    Convenient Panel Installation

    The detachable corner design facilitates hanger adjustment and leakage check in the drain connection pipe. The button type panel design makes it easy to install the panel to the body.
  • Auto Elevation Grille1 Auto Elevation Grille2

    Auto Elevation Grille

    Auto Elevation Grille allows easy filter cleaning with 4-point support structure, auto leveling and auto stop detection features and memory located at user's level.
*Inlet grille deseign may vary by region.

INDOOR SPECIFICATIONS

  • Capacity Cooling (Min.∼Rated∼Max.) - ㎾
    6.328 ~ 15.82 ~ 16.70
    Capacity Cooling (Min.∼Rated∼Max.) - Btu/h
    21,600 ~ 54,000 ~ 57,000
  • Power Input Cooling (Rated) - ㎾
    5.39
    Running Current Cooling (Rated) - A
    23.7
  • EER / COP - w/w
    2.94 / -
    Power Supply - V, Ø, ㎐
    220-240, 1, 50
  • Casing
    Galvanized Steel Plate
    Dimensions Net (W × H × D) - ㎜
    840 × 288 × 840
  • Dimensions Shipping (W × H × D) - ㎜
    922 × 360 × 917
    Weight Net - ㎏
    25.5
  • Weight Shipping - ㎏
    30.3
    Heat Exchanger (Rows × Columns × FPI)
    3 × 12 × 21
  • Heat Exchanger Face Area - ㎡ (ft²)
    0.49 (5.27)
    Fan Type
    3D Turbo Fan
  • Fan Air Flow Rate (H / M / L) - ㎥/min
    32.0 / 30.0 / 28.0
    Fan Air Flow Rate (H / M / L) - ft³/min
    1,130 / 1,060 / 989
  • Fan Motor Type
    BLDC
    Fan Motor Drive
    Internal
  • Fan Motor Output - W × No.
    135.8 x 1
    Fan Motor FLA (Full Load Ampere) - A
    1.28
  • Dehumidification Rate - ℓ/h
    3.6
    Sound Pressure Level (H / M / L) - dB(A)
    44 / 42 / 40
  • Piping Connections Liquid - ㎜(inch)
    Ø 9.52 (3/8)
    Piping Connections Gas - ㎜(inch)
    Ø 19.05 (3/4)
  • Piping Connections Drain Pipe (O.D. / I.D.) - ㎜
    Ø 32.0 / 25.0
    Safety Devices
    Fuse
  • Power and Communication Cable (included Earth) - No. × ㎟
    4C × 0.75
    Decoration Panel Model Name
    PT-MCHW0
  • Decoration Panel Casing Color
    Morning Fog
    Decoration Panel Dimensions (W × H × D) - ㎜
    950 × 35 × 950
  • Decoration Panel Net Weight - ㎏
    6.3
    Decoration Panel Shipping Weight - ㎏
    8.3

OUTDOOR SPECIFICATIONS

  • Capacity Cooling (Min.∼Rated∼Max.) - ㎾
    6.328 ~ 15.82 ~ 16.70
    Capacity Cooling (Min.∼Rated∼Max.) - Btu/h
    21,600 ~ 54,000 ~ 57,000
  • Power Input Cooling (Rated) - ㎾
    5.39
    Running Current Cooling (Rated) - A
    23.7
  • EER / COP - w/w
    2.94 / -
    Power Supply - V, Ø, ㎐
    220-240, 1, 50
  • Power Factor (Rated)
    0.99
    Casing Color
    Warm Gray
  • Dimensions Net (W × H × D) - ㎜
    950 × 1,380 × 330
    Dimensions Shipping (W × H × D) - ㎜
    1,140 × 1,462 × 461
  • Weight Net - ㎏
    89.5
    Weight Shipping - ㎏
    101.2
  • Heat Exchanger (Rows × Columns × FPI) × No.
    (2 × 32 × 14) × 2
    Compressor Type
    LG Inverter Scroll
  • Compressor Model - Model × No.
    RJA036MAA × 1
    Compressor Motor type
    BLDC
  • Compressor Motor Output - W × No.
    3,200 × 1
    Fan Type
    Axial
  • Fan Air Flow Rate - ㎥/min × No.
    60 × 2
    Fan Air Flow Rate - ft³/min × No.
    2,119 × 2
  • Fan Motor Type
    BLDC
    Fan Motor Output - W × No.
    124 × 2
  • Sound Pressure Level Cooling (Rated) - dB(A)
    55
    Piping Connections Liquid - ㎜(inch)
    Ø 9.52 (3/8)
  • Piping Connections Gas - ㎜(inch)
    Ø 19.05 (3/4)
    Piping Length (Rated) - m
    5
  • Piping Length (Min./Max.) - m
    5 / 75
    Refrigerant Type
    R410A
  • Refrigerant Precharged Amount - g
    3,800
    Refrigerant Chargeless-Pipe Length - m(ft)
    7.5 (24.6)
  • Refrigerant Additional Charging Volume - g/m(oz/ft)
    40 (0.43)
    Refrigerant Control
    Electronic Expansion Valve
  • Refrigerant Oil Type
    FVC68D
    Refrigerant Oil Charged volume - cc × No.
    1,000 × 1
  • Wiring Connections Power Supply Cable (included Earth) - No. × ㎟
    3C × 6.0
    Maximum Height Difference Outdoor Unit ~ Indoor Unit (Max.) - m(ft)
    30 (98.4)

To access more technical documentation and downloads, please visit the LG B2B Partner Portal.

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