Daikin 5MXT40AVJU9 40,000 BTU 5 Zone Aurora Low Temp Multi-Zone Heat Pump- R32

Daikin 5MXT40AVJU9 – 40,000 BTU R-32 5-Port Multi-Zone Heat Pump Outdoor Unit

Discover year-round efficiency and powerful performance with the Daikin 5MXT40AVJU9, a 3.3-ton, 5-port AURORA multi-zone heat pump outdoor unit designed for superior comfort in every season. Built for flexibility, reliability, and cold-climate capability, this system delivers high-efficiency comfort for both residential and light commercial spaces.

Powerful & Efficient Performance

The Daikin 5MXT40AVJU9 provides 40,000 BTU of cooling and 40,000 BTU of heating capacity, ensuring dependable performance across multiple indoor zones. Its inverter-driven swing compressor continuously adjusts to match indoor temperature demands, optimizing comfort while maximizing efficiency. With SEER2 ratings up to 20.0 and HSPF2 up to 9.5 for non-ducted configurations, this system offers outstanding energy savings and low operating costs.

Reliable Comfort in All Conditions

Engineered with AURORA enhanced capacity, the 5MXT40AVJU9 delivers reliable heating performance even in extreme cold. It maintains cooling operation between 14°F and 115°F and heating down to -13°F, making it ideal for northern climates. The advanced inverter compressor ensures smooth, stable temperature control through hot summers and freezing winters.

Eco-Friendly R-32 Refrigerant

Utilizing environmentally friendly R-32 refrigerant, the 5MXT40AVJU9 achieves high energy efficiency while minimizing its environmental footprint. With a lower global warming potential than older refrigerants, R-32 helps meet modern sustainability standards without sacrificing powerful performance.

Quiet & Durable Design

Despite its robust capacity, the 5MXT40AVJU9 operates quietly at 55 dB(A) during cooling and 57 dB(A) in heating. Its compact cabinet—34-1/4" H x 43-5/16" W x 18-1/8" D—and 219 lb weight make installation easy, even in limited outdoor spaces. The anti-corrosion coated heat exchanger and specialized drain pan design enhance cold-climate reliability, while select models include a built-in drain pan heater for added freeze protection.

Flexible Multi-Zone Installation

Supporting up to five indoor units, the 5MXT40AVJU9 offers maximum design flexibility with a total piping length of up to 262 ft and a 49.25 ft vertical height difference. Pre-charged with 6.94 lbs of R-32 refrigerant for 131 ft of piping, it connects via 3/8" gas, 1/4" liquid, and 1" drain lines. Features like Night Quiet Mode, Automatic Defrost, Quick Warming Function, and Priority Room Setting give homeowners complete control over their comfort.

Trusted Daikin Quality

Backed by Daikin’s 12-year limited parts warranty (with online registration) and 5-year commercial warranty, the 5MXT40AVJU9 exemplifies Daikin’s commitment to quality and innovation. Offering inverter-driven efficiency, cold-climate performance, and whisper-quiet operation, this multi-zone outdoor unit provides reliable, eco-conscious comfort season after season.