Such results are gotten: (1) Due to the unique topography the wind of Beijing area during the day time is southern anabatic wind and in the night is northern katabatic wind in summer.

(1)京区域夏季边界层西特殊地形影响,夜间低层大气流常现为由向南下坡,白天逐渐转为由南上坡。

For blower fan coil,adopting local drop ceiling when they are setting with new wind,but adopting a manner of katabatic wind when they arn’t setting with new wind.

对于机盘管，加新部分采用局部吊顶，不加新部分采用下送方式。