7/8" ODF Suction, 1/2" ODF Discharge, 380/420 VAC 50 Hz/460 VAC 60 Hz 3-Phase, 53000 BTU/Hr, 10.57 EER, Polyolester Oil, Reciprocating, Hermetic, Fixed Speed, 6th Generation, Compressor for High Temperature Air Conditioner/Heat Pump