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ARNU42GTMC4 component-copyModelName
Ceiling Mounted 4-Way Cassette Unit 12.3kW ARNU42GTMC4
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Ceiling Mounted 4-Way Cassette Unit 12.3kW ARNU42GTMC4
Ceiling Mounted Cassette Ceiling Mounted Cassette

Ceiling Mounted Cassette

Maximizing the indoor aesthetics with comfortable environment
The New Cassette with<br>Air Purification1 The New Cassette with<br>Air Purification2

The New Cassette with
Air Purification

LG Cassette type indoor unit is equipped with the air purification function. It offers a solution to the problem of ultrafine dust that harms our bodies. This is the CAC*-certified, high-performance product that delivers clean, cool air to your large space.
*Certification Air Conditioner, the Korea Air Cleaning Association strictly tests the air cleaning function of air conditioner products and certifies reliable products.
Air Purification Filter that Removes 99.9％ of PM1.0 Air Purification Filter that Removes 99.9％ of PM1.0

Air Purification Filter that Removes 99.9％ of PM1.0

Powerful 4 step air purification filter removes up to 99.9％ PM 1.0 ultrafine dust. In addition, it can be used semi-permanently, as it can be maintained by washing with water without a regular change of the filter.
*The Air Purification Kit can be purchased as an option.
Provide Healthy Air in a Large Space Provide Healthy Air in a Large Space

Provide Healthy Air in a Large Space

It is a larger air purification area than the cooling area. It can cover up to 147m² to create a clean and healthy environment in various vertical spaces, such as kindergartens, schools, and shopping malls.
  • Real-Time Air Quality Monitoring Real-Time Air Quality Monitoring

    Real-Time Air Quality Monitoring

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

    Convenient Attachment and Detachment

    Easier installation by attachment to the indoor unit body.
  • Compact Design & Size Compact Design & Size

    Compact Design & Size

    New 4 Way Cassette panel adapted unibody shape. Its panel size is fit into the ceiling tile. Moreover, the indoor unit with slim and compact dimensions has reduced the restriction which enables successful installation in various spaces.

  • Auto Elevation Grille Auto Elevation Grille

    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.

Independent Vane Control Independent Vane Control

Independent Vane Control

The independent vane operation feature uses separate motors, making it possible to control all four vanes independently.
  • 6-Step Vane Control1 6-Step Vane Control2

    6-Step Vane Control

    There are 6 different steps to control air flow direction with 1 way cassette. It also has the vane for auto swing that moves between left and right sides for up to 120 degrees.

  • Minimized Height Minimized Height

    Minimized Height

    The height of 1 Way Cassette is 132mm, making it the ideal solution for installation in limited space.

  • Flexible Installation Flexible Installation

    Flexible Installation

    The access for inspection at 1 Way Cassette does not require additional ducted space making the installation environment uncomplicated.

Ceiling Mounted Cassette Line Up Ceiling Mounted Cassette Line Up

Ceiling Mounted Cassette Line Up

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CAPACITY
  • Cooling - kW
    12.3
    Cooling - kcal/h
    10,600
  • Cooling - Btu/h
    42,000
    Heating - kW
    13.8
  • Heating - kcal/h
    11,000
    Heating - Btu/h
    43,800
POWER INPUT
  • Power Input(H / M / L) - W
    86 / 78 / 69
CASING
  • Casing
    Galvanized Steel Plate
DIMENSIONS(W × H × D)
  • Body - ㎜
    840 × 288 × 840
    Body - inch
    33-1/16 × 11-11/32 × 33-1/16
  • Decoration Panel #1 - ㎜
    950 × 35 × 950
    Decoration Panel #1 - inch
    37-13/32 × 1-3/8 × 37-13/32
COIL
  • Rows × Columns × FPI
    2 × 12 × 19
    Face Area - m²
    0.57
FAN
  • Type
    Turbo Fan
    Motor Output × Number - W
    135
  • Running Current - A
    0.56
    Air Flow Rate(H / M / L) - CMM
    30.0 / 27.0 / 24.0
  • Air Flow Rate(H / M / L) - cfm
    1,059 / 954 / 848
    Drive
    Direct
  • Motor type
    BLDC
TEMPERATURE CONTROL
  • Temperature Control
    Microprocessor, Thermostat for cooling and heating
SOUND ABSORBING THERMAL INSULATION MATERIAL
  • Sound Absorbing Thermal Insulation Material
    Foamed polystyrene
SAFETY DEVICE
  • Safety Device
    Fuse
PIPE CONNECTIONS
  • Liquid Side - ㎜(inch)
    Ø 9.52 (3/8)
    Gas Side - ㎜(inch)
    Ø 15.88 (5/8)
  • Drain Pipe(Internal Dia.) - ㎜(inch)
    Ø 25 (1)
WEIGHT
  • Body - kg(lbs)
    25.6 (56.4)
SOUND PRESSURE LEVELS
  • H / M / L - dB(A)
    44 / 41 / 38
SOUND POWER LEVELS
  • H / M / L - dB(A)
    58 / 55 / 50
POWER SUPPLY
  • Power Supply - Ø, V, Hz
    1, 220-240, 50
    1, 220, 60
REFRIGERANT CONTROL
  • Refrigerant Control
    EEV
TRANSMISSION CABLE
  • Transmission Cable - ㎟ × Cores
    1.0-1.5 × 2C
PANEL COLOR
  • Panel Color
    Morning fog
PANEL NAME(ACCESSORY)
  • Panel Name(Accessory)
    PT-UMC(1)

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LG air conditioning provides optimized solutions for every sector and climate with a wide range of cutting-edge systems that bring exceptional heating, ventilation and air conditioning performance to buildings worldwide. Through our unmatched expertise and industry knowledge, we respond directly to the needs of businesses seeking digitalized and eco-conscious HVAC solutions. We are the partner your business has been looking for, and are well prepared to integrate our leading technology into your day-to-day operations, supporting you and your business every step of the way.