Air condenser fin by double corrugated hydrophilic foil surface, produced by professional heat processing equipment, has a compact structure, small volume, light weight, high heat exchange efficiency advantages, six-axle load and configure low speed fan, can effectively reduce noise and reduce the impact on the surrounding environment. Unit control system adopts imported PLC program controller, man-machine interface configuration screen touch screen interface is simple and elegant, simple operation and intuitive. Unit has a reliable safety devices, including: high and low voltage protection, exhaust overheating protection, compressor motor overheating protection, antifreeze temperature protection, water protection, emergency stop switch, temperature sensitive fusible plugs, safety valve and so on.