指的是威斯康星州一家电话公司的一项研究，该研究比较了中央空气处理系统和冷冻水包装风机盘管，以应用于大型新数据处理中心。使用条形图和表格详细描述比较。列出并讨论使用中央空气处理机组系统的明显优势。描述最终选择中包含的设备和功能。关键词:计算机房，空调，比较，中央站空调，组合式空调机组，美国引文:研讨会，ASHRAE交易，第97卷，Pt。1991年，纽约

Refers to a study for a Wisconsin telephone company that compared central air-handling systems with chilled-water packaged fan-coil units for application in a large new data-processing centre. Describes the comparison in some detail using bar charts and tables. Lists and discusses the clear advantages found to using a central air-handling unit system. Describes the equipment and features included in the final selection.KEYWORDS: Computer rooms, air conditioning, comparing, central station air conditioning, packaged air conditioning units, USA