Features:1. Optimal Design: Small flow and large temperature difference; Save water and lower operation expenses.2. Application of A Wide Range: Suitable for water at 8~35oC, provide 7oC cool water or 50 oC hot water, and sanitary hot water meanwhile.3. Superior Performance: International advanced semi-closed screw compressor; Several refrigerant circuits insure no stop when one circuit needs maintenance; Low noise; Efficient heat transfer;4. Low Cost for Operation and Maintenance;5. Comprehensive Security Protection: High and low pressure protections, electric motor protection, safety valve protection, all the above protections ensure the unit safe and stable in operation.6. Heat recovery for optional installation7. Cooling capacity: 160~3900kW