... more requirements of clients.1, Cooling,2, heating, 3, hot water only,4, cooling+hot water(partial heat recovery),5, cooling+more hot ... ensure total resistance to atmospheric agents.HERMETIC COMPRESSORSSingle phase rotary type (mod.4.5-6.5), single phase (mod. 8) and ... 3-phase (mod.10-75) scroll type compressors, with built-in thermal overload cut-out and crankcase ...