1. The unit is of integral structure that integrates supply and exhaust air. It uses the room exhaust air as cooling air of the unit and has a compact structure to save space;

2. It operate with all fresh air in summer, and mixed air in winter and transition seasons, enjoying obvious energy saving effect;

3. The use of environment-friendly refrigerant (R134a) with low condensing pressure can effectively increase the life of the heat exchanger;

4. The unit adopts a frame structure and has good structural strength. After being subjected to SSE seismic load, it can still maintain the integrity of the structure and completeness of functions;

5. The unit adopts PLC control and has a remote control function; the human-machine interface adopts a touch screen and has a dynamic display screen, so as to clearly display the operation status.