Daikin FDMA24AVJU9 24000 BTU Aurora Concealed Ducted Air Handler Single Zone R32

The Daikin FDMA24AVJU9 is a 2-ton (24,000 BTU) concealed ducted air handler and the largest unit in Daikin's Aurora FDMA series, engineered for single-zone applications requiring the highest capacity concealed ductless delivery available in the lineup. Rated up to 18.3 SEER2, 9.2 HSPF2, and 11.8 EER2, the FDMA24AVJU9 is built for larger residential spaces, open-plan living areas, primary suites with adjoining areas, commercial offices, retail suites, and light commercial zones in the 750–1,100 square foot range where concealed installation, extreme climate performance, robust static pressure capability, and full integration with Daikin's building management platform are all required.

Extreme Climate Heating and Cooling Performance

At 2-ton capacity, the FDMA24AVJU9 must deliver reliable performance under the most demanding load conditions the Aurora FDMA series encounters. It maintains 100% cooling capacity at 104°F (40°C) outdoor ambient with operational capability extending to 115°F (46°C) — essential for dependable performance in Southern, Gulf Coast, desert Southwest, and high-heat urban markets where peak summer loads stress conventional equipment. Full heating capacity holds at 5°F (-15°C) with continued efficient operation down to -13°F (-25°C) and extended heating achievable to -4°F (-20°C) through facility settings and air adjustment grille configuration. This combination makes the FDMA24AVJU9 a true four-season solution across virtually every climate zone in the continental United States without requiring auxiliary heat backup during the majority of winter operating hours. The redesigned outdoor unit PCB provides enhanced durability against the thermal cycling, moisture exposure, and electrical stress of sustained operation in these extreme ambient conditions.

Concealed Ducted Installation with 0.6" Static Capability

The FDMA24AVJU9 installs within ceiling cavities, attic spaces, or interior wall chases, distributing conditioned air through ductwork to supply registers while keeping all mechanical equipment completely hidden from the occupied space. At 2-ton capacity, external static pressure support up to 0.6 inches WG (150 Pa) is essential — larger zones require longer duct runs, more supply registers, and distribution networks with meaningful resistance that would exceed the limits of lower-rated concealed air handlers. The 0.6" WG static capability ensures the FDMA24AVJU9 can serve complex duct layouts without airflow degradation that would compromise comfort delivery or system efficiency. The integral lift mechanism simplifies installation and repositioning in overhead ceiling cavities, and the drain pan inspection port allows routine condensate system maintenance without requiring full unit removal.

Quiet Indoor Operation

Indoor sound pressure levels reach as low as 32 dB(A) — an engineering achievement at 2-ton capacity where the airflow volumes required to condition larger spaces create significantly greater acoustic challenges than smaller units face. This performance level is appropriate for master bedroom suites, executive offices, boutique hotel accommodations, dental and medical treatment rooms, and high-end residential and hospitality applications where any perceptible mechanical sound is unacceptable. Outdoor sound pressure levels reach as low as 50 dB(A).

Inverter Technology and Comfort Features

The swing inverter compressor delivers continuous variable-speed modulation across the full operating range of the system. At 2-ton capacity serving larger zones, the inverter's partial-load capability is particularly critical for both energy efficiency and humidity control. A fixed-speed 24K unit serving a zone with moderate loads will short-cycle, running too briefly to remove adequate moisture from the air even when sensible temperatures are satisfied. The inverter compressor resolves this by operating at reduced capacity for extended runtimes during mild conditions — maintaining both temperature and humidity targets simultaneously. Auto Fan Speed control (with wired controller) adjusts airflow volume continuously in response to real-time space conditions without manual intervention.

Quick Warming Function delivers accelerated temperature recovery at cold-weather startup. Hot Start Function holds the indoor fan until the heat exchanger reaches operating temperature, preventing the cold draft that occurs during heating startup on conventional equipment. Automatic Defrosting manages outdoor coil frost accumulation continuously through cold weather operation. Program Dry Function reduces indoor humidity independently of the cooling load — valuable during humid shoulder seasons when sensible cooling demand is low but latent loads remain high. Auto Changeover transitions between heating and cooling modes automatically as conditions require. Anti-Corrosion Heat Exchanger Treatment protects coil integrity in high-humidity, coastal, and chemically active indoor environments, and Auto Restart After Power Failure restores all previous operating settings automatically following any power interruption.

Controls and Building Integration

The FDMA24AVJU9 requires the BRC1NRV71 wired remote controller for all system operation — the unit is not compatible with infrared remote controllers, conventional programmable thermostats, or any third-party control system. The controller provides self-diagnostics with digital fault code display for rapid service identification and reduced diagnostic labor time. Native DIII-NET connectivity integrates the unit directly into Daikin's centralized building management systems without an optional adapter — a meaningful advantage for commercial and multi-unit residential installations where managing 2-ton zones as part of a larger property-wide HVAC system is required. DKN Cloud Wi-Fi Adaptor compatibility supports remote monitoring and control via smartphone or web platform, and Daikin Zoning Kit (DZK) compatibility enables coordinated multi-zone scheduling across properties running multiple FDMA units. At 2-ton capacity, the FDMA24AVJU9 is particularly well suited for light commercial buildings, multi-unit residential properties, boutique hospitality, medical and professional office facilities, and high-end residential construction where larger concealed zones must be managed as part of a unified building HVAC strategy.

Compatible Accessories:

• Wired Remote Controller (required): BRC1NRV71
• Centralized Management Controller: DCS302C71
• Schedule Timer Controller: DST301BA61
• Remote Sensor: KRCS01-6B
• Wiring Adaptor: KRP1C76

Warranty: 12-year limited parts warranty. Online registration must be completed within 60 days of installation to qualify.

Specifications at a Glance: