LG HVAC Heat Pump Outdoor Unit, Multi F MAX Series, 208-230 V, 33.3 A, 3.75 kW Cooling, 4.52 kW Heating, 60 Hz, 1 ph, 54000 Btu/hr Heating, 48000 Btu/hr Cooling, Scroll Compressor, R-32 Refrigerant, 3/8 in Liquid Line, 3/4 in Suction Line, 40 A Fuse Rating, 14 FPI Coil, Direct Drive, Tonnage: 4 ton, 55 dBA Heating Sound Level, 53 dBA Cooling Sound Level, Concealed Mounting, Steel, Galvanized, RAL 7044 Munsell 2.5Y 7.5/1, -4 to 64 deg F Heating Operating Temperature, 14 to 118 deg F Cooling Operating Temperature, 37-13/32 in Overall Length, 13 in Overall Width, 54-11/32 in Overall Height, Additional Information: Multi-Zone, 2295 cfm Maximum Air Flow