The characters and reality of double parallel system UPS, external bypass design and operation, and the Suggestions about the ordinary maintenance are introduced also.
介绍了并联系统ups的特性及其实现，现场外接旁路的设计与具体操作，以及日常维护中的问题。
2
Bypass should recommend the use of three-way valves, which have to maintain export condenser tube thermometer. facilitate the observation and maintenance work.
应积极推荐采用旁路三通调节阀，因为这样能保持冷凝器进出口设有温度计管，便于观察和保养工作。
3
Sporadic flow of water through the bypass pipe straight without Kai pumps, water-saving, all-closed system without leakage, without the maintenance of pools.