Product introduction ●The unit adopts the direct expansion system, outdoor unit and indoor unit composed, and no required to connect the cooling tower and water treatment equipment,suitable for the water shortage and inconvenient installed the cooling tower place Production characteristics ●Cooling method： 1：Air cooled ●Function： 1：Cooling only 2：Heat pump 3：Heating only ●Compressor： 1：Invariable Frequency Compressor (EMERSON/DANFOSS) 2：Inverter compressor (EMERSON) ●Control system： 1：Microcomputer ●Refrigerants: 1：R22 2：R407C 3：R410a 4：R134a 5：R404A 6：R448A ●Power supply: 1：380-420V/3N-50Hz 2：220-240V/1N-50Hz 3：220-240V/3N-50Hz 4：380-420V/3N-60Hz 5：220-230V/3N-60Hz 6：460V/3N-60Hz 7：575V/3N-60Hz ●Adopt a variety of ways to air supply, direct air supply or duct air supply ●8 kinds safety protection functions, automatic detection, fault analysis function ●Optional intelligent network centralized control system, can control 32 sets equipment at the same time