{"product_id":"daikin-fdma18avju9-18000-btu-aurora-concealed-ducted-air-handler-single-zone-r32","title":"Daikin FDMA18AVJU9 18000 BTU Aurora Concealed Ducted Air Handler Single Zone R32","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe Daikin FDMA18AVJU9 is a 1.5-ton (18,000 BTU) concealed ducted air handler from Daikin's Aurora FDMA series, designed for single-zone applications requiring higher-capacity hidden climate control delivered entirely through the building structure. Rated up to 18.3 SEER2, 9.2 HSPF2, and 11.8 EER2, the FDMA18AVJU9 is one of the larger units in the Aurora FDMA lineup — available in 7K, 9K, 12K, 15K, 18K, and 24K capacities — and is well matched to larger open-plan living areas, primary suites, commercial suites, server rooms, and multi-register residential zones in the 600–900 square foot range where concealed delivery, extreme climate reliability, and integration with Daikin's building management ecosystem are all required.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eExtreme Climate Heating and Cooling Performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe FDMA18AVJU9 is rated for full-capacity operation across an outdoor ambient range that covers virtually every climate in the continental United States. Cooling capacity holds at 100% up to 104°F (40°C) with operational capability extending to 115°F (46°C), providing dependable performance through the most extreme summer heat in Southern, Gulf Coast, and desert Southwest markets. Heating capacity remains at 100% down to 5°F (-15°C) with continued efficient operation to -13°F (-25°C) and extended heating achievable to -4°F (-20°C) through facility settings and air adjustment grille configuration — covering cold-climate markets in the upper Midwest, mountain West, and Northeast without auxiliary heat dependence during most winter conditions. The redesigned outdoor unit PCB is engineered to withstand the thermal cycling, moisture exposure, and electrical stress of these extreme operating conditions over years of service.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eConcealed Ducted Installation with 0.6\" Static Capability\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe FDMA18AVJU9 installs above ceilings, within attic spaces, or inside wall chases, delivering conditioned air through ductwork to supply registers while keeping all mechanical equipment completely concealed. At 1.5-ton capacity, external static pressure support up to 0.6 inches WG (150 Pa) is critical — larger zones typically require longer duct runs, more supply registers, and higher-resistance distribution layouts that would push lower-rated concealed units beyond their static limits. The integral lift mechanism simplifies overhead installation and future service access in tight ceiling cavities, while the drain pan inspection port allows condensate system checks without requiring full unit removal from the installation space.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eQuiet Indoor Operation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eIndoor sound pressure levels reach as low as 32 dB(A) — a notable achievement at 1.5-ton capacity where higher airflow volumes create greater acoustic challenges than smaller units. This performance makes the FDMA18AVJU9 appropriate for master bedroom suites, executive conference rooms, boutique hotel accommodations, dental and medical offices, recording studios, and any application where mechanical noise must remain below perceptible thresholds. Outdoor sound pressure levels reach as low as 50 dB(A).\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eInverter Technology and Comfort Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe swing inverter compressor provides continuous variable-speed modulation, precisely matching system output to actual space load at all times. At 1.5-ton capacity serving larger zones, this capability is especially important for latent heat management — a fixed-speed 18K unit that short-cycles on mild days will fail to run long enough to adequately dehumidify the space, while the inverter compressor can operate at reduced capacity for extended runtimes, pulling moisture from the air even when the sensible cooling load is modest. Auto Fan Speed control (with wired controller) manages airflow volume automatically in response to real-time conditions.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eQuick Warming Function delivers accelerated temperature recovery during cold-weather startup. Hot Start Function prevents the indoor unit from circulating air before the heat exchanger reaches operating temperature, eliminating the uncomfortable cold draft during heating startup. Automatic Defrosting maintains outdoor coil performance through cold weather without manual intervention or comfort interruption. Program Dry Function addresses excess humidity independently of cooling output, making it particularly effective during humid shoulder seasons when cooling demand is low but indoor moisture levels remain elevated. Auto Changeover transitions between heating and cooling modes automatically as outdoor and indoor conditions shift. Anti-Corrosion Heat Exchanger Treatment protects coil integrity in high-humidity, coastal, and high-particulate indoor environments, and Auto Restart After Power Failure restores previous operating settings automatically following any power interruption.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eControls and Building Integration\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe FDMA18AVJU9 requires the BRC1NRV71 wired remote controller for all operation — the unit is not compatible with infrared remote controllers or any third-party thermostat or control system. The BRC1NRV71 provides self-diagnostics with digital fault code display, reducing service call diagnostic time and labor cost. Native DIII-NET connectivity integrates directly into Daikin's centralized building management platform without an optional adapter, DKN Cloud Wi-Fi Adaptor compatibility enables remote monitoring and control via smartphone or web interface, and Daikin Zoning Kit (DZK) compatibility supports coordinated multi-zone scheduling across properties managing multiple FDMA units simultaneously. These capabilities make the FDMA18AVJU9 a strong fit for multi-unit residential buildings, hospitality and boutique hotel properties, medical and professional office buildings, and light commercial facilities requiring centralized HVAC oversight across multiple zones.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eCompatible Accessories:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWired Remote Controller (required): BRC1NRV71\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCentralized Management Controller: DCS302C71\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSchedule Timer Controller: DST301BA61\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eRemote Sensor: KRCS01-6B\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWiring Adaptor: KRP1C76\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e 12-year limited parts warranty. Online registration must be completed within 60 days of installation to qualify.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eSpecifications at a Glance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"overflow-x-auto w-full px-2 mb-6\"\u003e\n\u003ctable class=\"min-w-full border-collapse text-sm leading-[1.7] whitespace-normal\"\u003e\n\u003cthead class=\"text-left\"\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\" class=\"text-text-100 border-b-0.5 border-border-300\/60 py-2 pr-4 align-top font-bold\"\u003eSpec\u003c\/th\u003e\n\u003cth scope=\"col\" class=\"text-text-100 border-b-0.5 border-border-300\/60 py-2 pr-4 align-top font-bold\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eModel\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eFDMA18AVJU9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eCapacity\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e1.5 Ton (18,000 BTU)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eType\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eConcealed Ducted Air Handler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eSeries\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eDaikin Aurora FDMA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eRefrigerant\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eR32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eVoltage\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e208\/230V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eSEER2\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eUp to 18.3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eEER2\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eUp to 11.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eHSPF2\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eUp to 9.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eStatic Pressure\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eUp to 0.6\" WG (150 Pa)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eCooling Range\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e50°F–115°F ambient (ext. to -4°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eHeating Range\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e-13°F–65°F ambient\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eIndoor Sound\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eAs low as 32 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eOutdoor Sound\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eAs low as 50 dB(A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eController Required\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eBRC1NRV71 (sold separately)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eAvailable Sizes\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e7K, 9K, 12K, 15K, 18K, 24K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eWarranty\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e12-Year Limited Parts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Daikin","offers":[{"title":"Default Title","offer_id":47105421181103,"sku":null,"price":1924.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/6875\/4607\/files\/DaikinAirHandlerSingleZone.webp?v=1782266008","url":"https:\/\/freshairdepot.com\/products\/daikin-fdma18avju9-18000-btu-aurora-concealed-ducted-air-handler-single-zone-r32","provider":"FreshAirDepot","version":"1.0","type":"link"}