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  • More connectable indoor units

    KX6 enable more connectable indoor units (per kW), compared with former model KX4.

    Design-Flexibility-03

    • DesignFlexibility
  • High Efficiency (KX6)

    The industry's highest COP levels

    We have cleared the class A standard, the highest energy saving level, with our high COP (Coefficient Of Performance).

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    *COP = Capacity[kW] / Power Consumption[kW]
    *COP across the KX6 range ensures reduced running costs and reduced environmental impact.

    • HighEfficiency
  • Wide Range of Operation

    KX6 series permits a system design considering a heating range operation under a low temperature condition up to -20ºC from -15ºC of previous model and a cooling range operation under -15ºC from -5ºC of that.

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    For the capacities under low temperature conditions, refer to technical manual.

    • DesignFlexibility
  • Increased indoor unit connection capacity

    KX6 series(4~34HP) can connect indoor unit capacity up to 150~200% from 130% of previous models.
    If the connection capacity of indoor units is more than 100%, capacity of each indoor unit may be affected by connection capacity ratio.

    Design-Flexibility-01

    • In case that capacity connection is more than 130%, additional charge of refrigerant is required on site.
    • In case of 8-34HP of KX6 system, if one or more indoor units of FDK, FDFL,FDFU and/or FDFW series are connected to the system, the total connecting capacity of indoor units should not exceed 130%.

    Design-Flexibility-02

    • DesignFlexibility
  • Long Pipe Length

    Piping length has extended max height difference between indoor units from 4m to 18m and enables us to put indoor unit on extra three floors.

    As a result of the adoption of thinner refrigerant piping and refrigerant volume reductions, the industry's longest 160 m actual piping length or 1000m total piping length is realized.

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    (1)Divide up the refrigerant system into independent refrigeration circuit systems in case required additional refrigerant on site is 50kg or more for 14~24HP and 100kg or more for 26~48HP.
    (2)In case indoor unit connection capacity is 130% or more or total piping length is 510m or more, additional charge of refrigerant and oil on site is required. Refer to our Installation Manual for details.

    • DesignFlexibility
  • 3D Scroll Compressor

    Unit start up speed in heating mode drastically improved for lower outdoor temperature operation.

    (3D compressors are applied for 12HP, 20HP, 22HP & 24HP.)

    3d-compressor-01

    3D scroll compressor has the different height scroll at the outside and the inside.
    A high compression ratio is improved by compressing the refrigerant both radially and axially.
    3-Dimension Compression has been realized with a much higher efficiency even if compression ratio is high.

    3d-compressor-02

    The strength of the scroll is improved by reducing the height of the inner wrap, which receives a heavy load.

    • CompactDesign
  • INTEGRATED ELECTRONIC CIRCUIT BOARD (PCB)

    • Control Box size reduction
    • PCB size reduced by 50 %
    Control PCB: Single-sided board -> Double-sided board
    Inverter PCB: Power transistor size reduction
    • New Superlink system control
    • New Design method applied

    PCB-01

    • CompactDesign
  • New Inverter Control (Vector control)

    New Inverter Control has applied new advanced technology of Vector control and has realized high efficiency.

    • Smooth operation from low speed to high speed
    • Smooth Sine Voltage Wave form are attained
    • Energy efficiency is further improved in low speed range

    • CompactDesign
  • DC Fan Motor

    Employment of DC fan motor has enabled to realize an excellent efficiency of approximate 60% higher than previous models.

    DC-fan-01

    • CompactDesign
  • New Compact Design

    4~6HP(KX6)

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    8~12HP(KX6)

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    • CompactDesign
  • Optimum Refrigerant System Control

    We have improved refrigeration circuit from our long experience and have realized following Optimum Refrigerant System Control.

    • Optimum heat exchanger refrigerant distribution
    • Advanced refrigerant liquid return protection control system
    • High speed system control by new Superlink system
    • Use of larger diameter for suction piping and discharge piping and redesigned of double tube

    • CompactDesign