The VRV AURORA230/460V Heat Recovery Systems are engineered for cold climate and heating dominate applications. The series offers the first VRV air-cooled system that delivers efficient heating down to -22F. Available in 6, 8, 10-ton single modules and 12, 16, 20-ton multi-module systems, each product has stable inverter board operation independent of ambient conditions. The systems offer continuous heating during defrost and oil return, and are designed for total cost of construction and reduced life cycle cost. The long pipe lengths that go up to 295 ft. allow for outdoor and indoor units. The series is also corrosion resistant.