... centrifugal fan, fine balance 4. Condensate plate Made by molding process,no weld, solder joint, entirety unit connect to water pond ... worry about the leak problem.5. Coil-cooling Advanced expansion pipe process make the high heat exchange;No cold bridge design eliminate ... no need to disassemble the unit. Avaliable configurations: 1. 2 pipe, 4 pipe optional 2. 220V, 230V, 50HZ, 60HZ, optional3. the unit ...