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Fujitsu Comfort Highwall Set 2.5kW






The Fujitsu Airstage SET-ASTH09KNCA is a compact reverse-cycle wall-mounted air conditioner designed for bedrooms, home offices and other smaller rooms. It delivers 2.5kW rated cooling and 3.2kW rated heating, providing efficient year-round temperature control.

Featuring an award-winning indoor-unit design, quiet operation, R32 refrigerant and cooling performance at outdoor temperatures up to 50°C, the Comfort Series combines a modern appearance with dependable performance in Australian conditions.

Features

  • 2.5kW rated cooling capacity

  • 3.2kW rated heating capacity

  • Reverse-cycle heating and cooling

  • Compact, award-winning indoor-unit design

  • Suitable for smaller rooms

  • Inverter-controlled operation

  • R32 refrigerant with lower global-warming potential

  • Cooling operation in outdoor temperatures up to 50°C

  • Precise 0.5°C temperature adjustment

  • Powerful Mode for rapid heating or cooling

  • Economy Mode for reduced compressor power consumption

  • Super Quiet indoor fan operation

  • Automatic changeover between heating and cooling

  • Automatic restart following a temporary power interruption

  • Up-and-down automatic swing louvre

  • Sleep, program and on/off timers

  • Washable front panel

  • Filter-cleaning reminder

  • Blue Fin outdoor heat-exchanger protection

  • Demand Response Enabled Device terminal

  • Optional anywAiR Wi-Fi control

Indoor & Outdoor

SpecificationDetails
Indoor ModelASTH09KNCA
Indoor Dimensions270 × 784 × 224mm
Indoor Weight8kg
Outdoor ModelAOTH09KNCA
Outdoor Dimensions541 × 663 × 290mm
Outdoor Weight25kg
Pipe Sizes6.35mm liquid / 9.52mm gas
RefrigerantR32
Cooling Capacity2.5kW rated; 0.9–3.7kW operating range
Heating Capacity3.2kW rated; 0.9–4.8kW operating range
Air Flow175L/s on high fan, cooling and heating
Drain13.0mm ID / 15.0–16.8mm OD
Power Supply220–240V, single-phase, 50Hz
Max Current9.0A

Performance Specifications

SpecificationCoolingHeating
Rated Capacity2.5kW3.2kW
Capacity Range0.9–3.7kW0.9–4.8kW
Rated Input Power0.59kW0.77kW
Input-Power Range0.25–1.14kW0.25–1.14kW
Running Current3.0A3.8A
EER / COP4.244.16
Indoor Sound Pressure – High46dBA46dBA
Indoor Sound Pressure – Quiet22dBA27dBA
Outdoor Sound Pressure49dBA51dBA

Additional Specifications

SpecificationDetails
Set CodeSET-ASTH09KNCA
System TypeReverse-cycle inverter split system
Recommended Breaker15A
Moisture Removal1.0L/h
Outdoor Sound Power Level62dBA
Maximum Pipe Length20m
Factory-Precharged Pipe Length15m
Maximum Height Difference15m
Cooling Operating Range−10°C to 50°C
Heating Operating Range−15°C to 24°C
Factory Refrigerant Charge550g
Cooling Star Rating – Hot/Average/Cold5.0 / 4.5 / 4.5
Heating Star Rating – Hot/Average/Cold3.5 / 3.0 / 2.5
TCSPF – Hot/Average/Cold6.535 / 6.114 / 6.476
HSPF – Hot/Average/Cold5.235 / 4.625 / 4.005

Optional Controls and Accessories

AccessoryModel NumberDetails
anywAiR Technology Wi-Fi Adaptor IIUTY-NXT-BOXEnables control through the free myanywAiR Next smartphone and tablet application
Wi-Fi Adaptor Connection CableUTY-NXT-CABRequired with the UTY-NXT-BOX for compatible Comfort Series installations
Kagami Wired Remote ControllerUTY-RVRYOptional premium wired controller; optional communication kit required
LCD Touch Panel ControllerUTY-RNRYT5Optional touch-panel controller; optional communication kit required
LCD Simple Controller with Operating ModeUTY-RSRYTSimplified wired control with operating-mode selection; optional communication kit required
LCD Simple Controller without Operating ModeUTY-RHRYTSimplified wired control without operating-mode selection; optional communication kit required

Wi-Fi Control

When fitted with the optional UTY-NXT-BOX Wi-Fi Adaptor II and UTY-NXT-CAB connection cable, the system can be controlled through Fujitsu’s free myanywAiR Next application using a compatible smartphone or tablet.

A licensed installer and the appropriate connection cable are required to install the Wi-Fi adaptor.

Typical Applications

  • Bedrooms

  • Home offices

  • Nurseries

  • Guest rooms

  • Small apartments

  • Compact living spaces

  • Small residential renovations and extensions

Important Information

  • This set includes the ASTH09KNCA indoor unit and AOTH09KNCA outdoor unit.

  • Optional controllers and Wi-Fi components are sold separately.

  • Optional wired controllers require the appropriate Fujitsu communication kit.

  • Available functions may vary according to the installed controller and system configuration.

  • Installation must be completed by a suitably qualified and licensed air-conditioning installer.

  • Capacity suitability should be confirmed through an appropriate room heat-load assessment.

Source: Fujitsu Airstage Comfort Range Australian Brochure – January 2025.

2.5kW

Internal Reference: SET-ASTH09KNCA