The design of automaticcontrol of a central air-conditioning system(CAS)is a multi-discipline engineering involving air conditioning system, electric system and automaticcontrol system.
集中空调系统的自动控制是智能建筑的重要组成部分，是与空气调节和电气密切相关的跨学科工程。
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And adjustable speed the variable air volume air conditioning automaticcontrolsystem saves energy through setting different static pressure values in different time periods.
变风量空调控制系统以变频调速为手段，分时段设定静压值以实现节能。
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The thesis detailedly introduces the working principles, the ideal and methods in designing an automatic adjustment controlsystem of air circumstance in the coach.