This series of modular air conditioning units includes 18 models, with the air flow ranging 10000m3/h~20000m3/h, the refrigeration capacity ranging 51840Kcal/h~1359200Kcal/h, and with the functions of air cooling, heating, humidifying,dehunidifying,air cleaning and ventilation. The series can meet various air conditioning requipments, low noise, and low vibration. The series of units adopts the design of modular integration, of which the specifications of the units is ed by the professinal computer software for the users,integrating various modular sections to perform the functions of air conditioning.