3/4" ODF Suction, 1/2" ODF Discharge, 380/420 VAC 50 Hz/460 VAC 60 Hz 3-Phase, 42000 BTU/Hr, 11.1 EER, Polyolester Oil, Reciprocating, Hermetic, Fixed Speed, 6th Generation, Compressor for High Temperature Air Conditioner/Heat Pump