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Available in Reverse Cycle - 18.0kW, 20.0kW, 22.4kW
Refrigerant R32

Key features

  • Automatic Static Pressure Setting Adjustment

    With this feature, the unit automatically sets the optimal static pressure setting, eliminating the need for the installer to select and set the static pressure setting each time.

  • All DC
    All DC

    With All DC, electricity loss is decreased and power consumption reduced.

  • Auto Restart
    Auto Restart

    Should there be a temporary loss of power, the unit will automatically restart itself in the same operating mode, once the power is restored.

  • Auto Changeover
    Auto Changeover

    The unit automatically switches between operating modes based on the temperature setting and room temperature.

  • Blue Fin Heat Exchanger
    Blue Fin Heat Exchanger

    Corrosion-resistance of the heat exchanger in coastal areas has been improved by blue fin treatment of the outdoor unit heat exchanger.

  • Connectable Distribution Duct
    Connectable Distributing Duct

    Systems are capable of attaching a field-supplied branch ducts distributing the airflow.

  • Connectable Fresh Air Duct
    Connectable Fresh Air Duct

    Allows introduction of fresh air to the occupied space.

  • Demo Mode

    This function allows the indoor unit to be operated alone at exhibitions and showrooms.

  • Demand Response

    This product is designed to be compatible with Air Conditioning Demand Response program. When your electricity supplier activates one of the three modes the air conditioner switches over to the appropriate operation.

  • Economy Mode
    Economy Mode

    Limits the maximum operation current, and performs operation with the power consumption suppressed.

  • Filter Sign
    Filter Sign

    Select appropriate intervals for displaying the filter sign on the indoor unit according to the estimated amount of dust in the air of the room.

  • Program Timer
    Program Timer

    This timer allows selection of one of four options. ON, OFF, ON ––> OFF, or OFF ––> ON.

  • Fresh Air Intake
    Fresh Air Intake

    Fresh air can be taken in by a fan which can be connected using an external control unit.

  • Operating Temperature Range 50°C

    The maximum guaranteed operating temperature range to 50 degrees in cooling mode.

  • ON-OFF Timer
    On-Off Timer

    ON-OFF timer can be set to operate once every 24 hours.

  • Weekly Timer
    Weekly Timer

    Different ON-OFF times can be set for up to 7 days.

  • Zone Control
    Zone Control

    This function enables efficient air-conditioning by selecting specific zones from the various zones divided within the indoor space.

Take control. Controller options.

This range is compatible with the following controller options.

  • controller-feature tick
    Backlit Display

    An illuminated display for improved visibiltiy and clairty. Brightness and light duration can be customised to suit your preferences.

  • controller-feature tick
    Backlit Display

    An illuminated display for improved visibiltiy and clairty. Brightness and light duration can be customised to suit your preferences.

  • controller-feature tick
    Set Temperature Auto Return

    The set temperature automatically returns to the previous set temperature at the touch of a button.

  • controller-feature tick
    Weekly Timer

    Different ON-OFF times can be set for up to 7 days.

Find the perfect model. Explore the Large Capacity High Static Three Phase R32 range.

Technical Specifications

Attribute ARTH65KHTA-3PH 18.00kW(C) 20.00kW(H) View model ARTH72KHTA-3PH 20.00kW(C) 22.40kW(H) View model ARTH90KHTA-3PH 22.40kW(C) 25.00kW(H) View model
Operation Type
Reverse Cycle Reverse Cycle Reverse Cycle
Maximum Connectable Indoor Units
1 1 1
Power Source V/Ph/Hz
400 / 3 / 50 400 / 3 / 50 400 / 3 / 50
Capacity Class kW
18 20 22.4
Cooling Capacity kW (Rated (Min - Max))
18.00 (11.6 - 19.88) 20.00 (12.1 - 22.09) 22.40 (12.5 - 24.74)
Heating Capacity kW (Rated (Min - Max))
20.00 (15.54 - 25.35) 22.40 (17.34 - 28.29) 25.00 (20.81 - 33.95)
Input Power Cooling kW (Rated (Max))
5.61 (5.8) 6.16 (6.37) 7.42 (7.67)
Input Power Heating kW (Rated (Max))
6.86 (6.86) 6.63 (6.63) 9.82 (9.82)
EER Cooling kW/kW
3.3549 3.4299 3.1993
COP Heating kW/kW
4.0147 4.0878 3.9434
Star Rating Cooling (0-10) (Hot / Average / Cold)
3 / 2.5 / 3 2.5 / 2.5 / 2.5 2 / 2 / 2
Star Rating Heating (0-10) (Hot / Average / Cold)
3 / 2.5 / 1.5 3 / 2.5 / 1.5 2.5 / 2 / 1.5
Total Cooling Seasonal Performance Factor Residential kW (Hot / Average / Cold)
4.842 / 5.389 / 5.006 4.676 / 5.141 / 4.8 4.203 / 4.583 / 4.292
Heating Seasonal Performance Factor Residential kW (Hot / Average / Cold)
4.503 / 3.732 / 4.192 4.654 / 3.743 / 4.275 4.164 / 3.271 / 3.696
Total Cooling Seasonal Performance Factor Commercial kW (Hot / Average / Cold)
4.532 / 4.585 / 4.343 4.396 / 4.415 / 4.214 3.964 / 3.967 / 3.804
Heating Seasonal Performance Factor Commercial kW (Hot / Average / Cold)
4.503 / 3.446 / 4.001 4.651 / 3.402 / 4.047 4.17 / 3.058 / 3.615
Running Current amps (Cooling / Heating)
8.6 / 8.6 9.9 / 9.9 11.7 / 11.7
Moisture Removal l/hr
4 5.3 4.6
Indoor Sound Pressure Cooling dBA (High / Quiet)
44 / 35 46 / 39 50 / 42
Indoor Sound Pressure Heating dBA (High / Quiet)
44 / 35 46 / 39 50 / 42
Outdoor Sound Pressure dBA (Cooling / Heating)
59 / 61 60 / 62 60 / 62
Outdoor Sound Power dBA
75 76 76
Static Pressure Range PA (Min to Max)
60 to 200 60 to 200 60 to 200
Air Circulation (Indoor - High Fan) Cooling l/sec
1139 1194 1400
Air Circulation (Indoor - High Fan) Heating l/sec
1139 1194 1400
Indoor Unit Dimensions mm (Height x Width x Depth)
360 x 1400 x 850 360 x 1400 x 850 360 x 1400 x 850
Indoor Unit Weight kg
69.00 69.00 79.00
Outdoor Unit Dimensions mm (Height x Width x Depth)
1418 x 970 x 370 1418 x 970 x 370 1418 x 970 x 370
Outdoor Unit Weight kg
102.00 107.00 107.00
Piping Connects mm Ø (Liquid / Gas)
9.52 / 15.88 12.7 / 19.05 12.7 / 19.05
Pipe Length m (Max (Precharged))
75 (30) 75 (30) 75 (30)
Max Height Difference m
30 30 30
Operation Range Cooling °CDB (Min to Max)
-15 to 50 -15 to 50 -15 to 50
Operation Range Heating °CDB (Min to Max)
-20 to 24 -20 to 24 -20 to 24
Refrigerant Type
R32 R32 R32
Refrigerant Amount g
3,800 4,500 4,500

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Peace of mind

A 5 year parts and labour warranty across the entire domestic range.

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Frequently Asked Questions about Three Phase & R32 Refrigerant air conditioners