Pipe with a silencer function by a spiral UPVC pipes, basement floors and garage are equipped with pumping station sump and waste water lifting devices.

管材采用了具有消声功能的螺旋UPVC排水管，地下室内泵房地面及车库均设有集水坑和废水提升装置。

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When the water level of condensate in the drain sump goes up, the cup flows up until it shuts the admission pipe again, the following cycle starts.

当集水仓中的凝结水位升高时，小桶浮起直至再次封闭了进汽管，下一个循环周期开始。

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There may be a small amount of leakage resulted from the low rotating speed of unit when turned on or turned off. The leakage would be drained to sump well through sealed drainage pipe.

启停机时机组转速较低，可能会有少量漏水，漏水通过密封排水管排入集水井。

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