Mitsubishi Electric Trane® Multi-Zone Heat Pump Outdoor Unit, Nv Standard Multi-Zone Series, Model: NTXMMX20, 208/230 V, 17.2 A, 60 Hz, 1 ph Phase, 22000 Btu/hr Heating, 18000 Btu/hr Cooling, 1458 cfm Heating CFM Rating, 1342 cfm Cooling CFM Rating, 10 Ducted, 11.35 Mixed, 12.7 Non-Ducted EER Rating, 16 Ducted, 18 Mixed, 20 Non-Ducted SEER, 9.3, 9.65, 10 HSPF, R-410A Refrigerant, 1/4 in Liquid Line, 3/8 in Suction Line, 20 A Fuse Rating, Inverter Drive, Tonnage: 0.75 to 5 ton, 54 dBA Heating Sound Level, 50 dBA Cooling Sound Level, Finish: Fin-Coated, Blue, 5 to 75 deg F Heating Operating Temperature, 14 to 115 deg F Cooling Operating Temperature, 13 in Overall Length, 33-1/16 in Overall Width, 27-15/16 in Overall Height, Additional Information: 2-Port