Fujitsu KNCA Classic Series 4.0kW Reverse Cycle Split System (Fujitsu SET-ASTH14KNCA 4.0kW Split System AC)
Indoor Unit Model: ASTH14KNCA | Outdoor Unit Model: AOTH14KNCA | Kit Code: SET-ASTH14KNCA
Product Overview
The Fujitsu SET-ASTH14KNCA 4.0kW Split System AC is engineered for contemporary Australian living areas that demand reliable heating and cooling capacity alongside clean aesthetics. Featuring a compact, matte white indoor chassis measuring 270 mm high and 834 mm wide, it provides smooth air distribution across standard-sized rooms while maintaining a clean, wall-hugging profile.
Equipped with advanced full DC inverter technology and R32 refrigerant, the system smoothly modulates capacity to match real-time thermal load requirements. The unit operates efficiently across all seasons, while Apple-Catechin and Ion Deodorisation filters ensure your indoor air remains fresh, healthy, and allergen-free throughout the year.
Quick Highlights
- Nominal Capacities: 4.0 kW rated cooling and 4.3 kW rated heating capacity.
- Eco-Friendly R32: High thermodynamic efficiency with 68% lower Global Warming Potential.
- Whisper-Quiet Operation: Indoor sound output drops to a quiet 20 dBA in super quiet fan mode.
- Compact Wall Unit: Slim chassis measuring 270 mm (H) × 834 mm (W) × 222 mm (D).
- High Energy Efficiency: 3.5 Star Cooling and 4.0 Star Heating Energy Rating.
- Advanced Air Filtration: Equipped with Apple-Catechin and Ion Deodorisation filters.
- Powerful Operation Mode: Fast thermal pull-down for immediate heating or cooling comfort.
- Blue Fin Coil Protection: Corrosion-resistant coating on outdoor condenser coils.
- Modern Matte Finish: Clean aesthetic tailored for modern Australian architectural interiors.
- Demand Response Enabled (DRED): Fully compliant with Australian energy utility standards.
Why Choose This Model (Fujitsu SET-ASTH14KNCA 4.0kW Split System AC)?
The Fujitsu SET-ASTH14KNCA 4.0kW Split System AC represents the ideal balance of everyday comfort, compact design, and lower power bills. Its sleek matte finish suits upscale interior spaces, while the combination of R32 refrigerant, high star efficiency ratings, and full DC inverter modulation ensures you stay comfortable through scorching summer heatwaves and chilly winter mornings without excessive energy costs.
Key Features
High-Efficiency R32 Refrigerant
Operating on single-component R32 refrigerant, the system achieves higher heat exchange efficiency and lower charge volumes while reducing environmental impact by 68% compared to traditional R410A systems.
Super Quiet 20 dBA Fan Mode
Featuring optimized indoor fan blades and air channel aerodynamics, the unit operates at a whisper-quiet 20 dBA in quiet mode, creating an undisturbed environment for nighttime sleeping and quiet study.
Apple-Catechin & Ion Filtration
Fine dust, mould spores, and microscopic allergens are trapped using static electricity via the Apple-Catechin filter, while the Ion Deodorisation filter breaks down household odours using oxidation technology.
Powerful Rapid Cooling & Heating
Activating the Powerful Mode allows the compressor and indoor fan to operate at maximum output for 20 minutes, rapidly bringing the room to your desired comfort level during temperature extremes.
Full DC Inverter Technology
Equipped with DC rotary compressor and fan motors alongside PAM inverter control, the system modulates output smoothly, reducing power draw while maintaining precise climate comfort.
Blue Fin Outdoor Heat Exchanger
The outdoor unit coils feature a durable blue-fin anti-corrosion coating, offering proven resistance against moisture, salt air, and weathering in harsh Australian coastal climates.
Ideal Applications of Fujitsu SET-ASTH14KNCA 4.0kW Split System AC
- Mid-to-Large Living Spaces: Perfectly suited for rooms between 24 and 35 square metres.
- Spacious Master Bedroom Suites: Delivers robust heating and cooling capacity with quiet overnight airflow.
- Home Offices & Study Areas: Maintains quiet, steady temperatures and clean air during long workdays.
- Energy-Conscious Homes: High star efficiency ratings keep ongoing electricity bills manageable.
Why Professionals Choose This Model (Fujitsu SET-ASTH14KNCA 4.0kW Split System AC)?
HVAC trades, builders, and wholesalers regularly recommend the Fujitsu SET-ASTH14KNCA 4.0kW Split System AC for its straightforward installation and field-proven reliability. Featuring accessible flare piping connections (6.35 mm liquid / 9.52 mm gas), generous 20-metre piping runs, built-in DRED capability, and durable outdoor components, it simplifies on-site commissioning and eliminates costly post-install callbacks.
Technical Specifications
General & Performance
| Parameter | Indoor (ASTH14KNCA) | Outdoor (AOTH14KNCA) |
|---|---|---|
| Nominal Capacity (Cool / Heat) | 4.0 kW / 4.3 kW | |
| Cooling Capacity Range | 0.9 kW – 4.4 kW | |
| Heating Capacity Range | 0.9 kW – 5.0 kW | |
| E.E.R / C.O.P (Rated) | 3.70 / 3.91 | |
| A.E.E.R / A.C.O.P | 3.67 / 3.87 | |
| Star Rating (Cool / Heat) | 3.5 Stars / 4.0 Stars | |
| Fascia Finish | Matte Alpine White | Ivory / Galvanised |
Electrical Data
| Power Supply | 1 Phase, 230–240 V, 50 Hz |
| Rated Power Input (Cool / Heat) | 1.08 kW / 1.10 kW |
| Running Current (Cool / Heat) | 4.9 A / 5.0 A |
| Recommended Circuit Breaker | 15 A / 16 A |
Dimensions & Weights
| Unit | Dimensions (H × W × D) | Net Weight |
|---|---|---|
| Indoor Unit (ASTH14KNCA) | 270 mm × 834 mm × 222 mm | 10.0 kg |
| Outdoor Unit (AOTH14KNCA) | 541 mm × 663 mm × 290 mm | 26.0 kg |
Noise Levels & Airflow
| Indoor Sound Pressure (H / M / L / Quiet) | 44 / 38 / 31 / 20 dBA |
| Outdoor Sound Pressure (Cool / Heat) | 48 dBA / 50 dBA |
| Indoor Airflow Rate (Cooling High) | 214 l/s (770 m³/h) |
| Fan Speed Steps | 4 steps (Auto, High, Med, Low, Quiet) |
Refrigerant & Piping Specifications
| Refrigerant Type | R32 |
| Liquid Pipe Connection | 6.35 mm (1/4″) |
| Gas Pipe Connection | 9.52 mm (3/8″) |
| Max Piping Length | 20 m |
| Max Height Difference | 15 m |
| Operating Ambient Limits (Cool / Heat) | -10°C to 46°C DB / -15°C to 24°C DB |
Installation Information of the Fujitsu SET-ASTH14KNCA 4.0kW Split System AC
Installation of the Fujitsu SET-ASTH14KNCA 4.0kW Split System AC must be carried out by an ARC-licensed technician to comply with Australian standards and ensure full warranty validation. The indoor unit mounts cleanly using the included steel wall bracket, and standard 6.35 mm / 9.52 mm copper pipe connections allow fast rough-in. The outdoor unit is ideal for placement on concrete slabs, poly-pads, or elevated wall cantilever brackets.
Compatible Accessories
- Fujitsu anywAiR Technology Wi-Fi Adaptor: Smartphone control via the anywAiR app.
- Fujitsu Wired Wall Controller (UTY-RNRYZ3 / UTY-RLRY): Premium backlit wall controller.
- Cantilever Wall Mounting Brackets: Hot-dipped galvanized outdoor wall brackets.
- Anti-Vibration Poly Slab: Weatherproof floor base with vibration-absorbing rubber feet.
What’s Included in Fujitsu SET-ASTH14KNCA 4.0kW Split System AC
- 1 x Indoor Wall-Mounted Unit (ASTH14KNCA)
- 1 x Outdoor Inverter Condenser Unit (AOTH14KNCA)
- 1 x Wireless Backlit Remote Controller & Wall Bracket
- 1 x Apple-Catechin & Ion Deodorisation Filter Pack
- 1 x Steel Indoor Mounting Bracket & Installation Manual
Warranty of the Fujitsu SET-ASTH14KNCA 4.0kW Split System AC
The Fujitsu SET-ASTH14KNCA 4.0kW Split System AC is supported by Fujitsu General Australia’s 5-Year Full Parts and Labour Warranty for domestic residential applications. Warranty coverage applies when the unit is installed and commissioned by an ARC-licensed refrigeration and air conditioning technician.
Frequently Asked Questions
Q1: What room size is suitable for this 4.0 kW split system?
A: A 4.0 kW cooling capacity is generally suited for mid-to-large living areas, dining spaces, and large master suites between 24 and 35 m² in standard Australian homes.
Q2: How does the Human Sensor help save electricity?
A: The sensor detects movement in the room. If no activity is detected after 20 minutes, the unit automatically switches to an energy-saving mode, restoring full power when someone enters.
Q3: How quiet is the indoor unit during operation?
A: In Quiet fan mode, the indoor unit operates at 20 dBA, providing near-silent cooling and heating for undisturbed sleep or work.
Q4: What refrigerant is used in this model?
A: It runs on eco-friendly R32 refrigerant, which delivers higher energy efficiency and lower global warming potential than older R410A systems.
Q5: Can I control this air conditioner with my smartphone?
A: Yes, with the optional Fujitsu anywAiR Wi-Fi technology adaptor, you can control temperature and schedule operations remotely via your smartphone.
Q6: Does this Fujitsu SET-ASTH14KNCA 4.0kW Split System AC unit require professional installation?
A: Yes. Australian law requires all refrigerant split systems to be installed and commissioned by an ARC-licensed technician.
Why Buy From AirContrade?
AirContrade is Australia’s trusted wholesale HVAC supplier, providing trade professionals, builders, and homeowners with authentic brand equipment. When you purchase the Fujitsu SET-ASTH14KNCA 4.0kW Split System AC from AirContrade, you benefit from competitive trade rates, full factory warranty backing, fast nationwide delivery, and dedicated product support.
Looking for more options? Browse our Fujitsu Air Conditioners collection.
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