Analyses the cause of overlarge humidity in the clean room.Presents the modifying methods for the fresh air handling units, clean air conditioning units and control system.

• 摘要在使用中发现该大楼洁净室湿度偏大且无法控制，分析了其原因，介绍了对新风处理机组、净化空调机组及控制系统的改造。