Both the suctionconnection pipe and the exhaust connection pipe are connected to a heating air aeration pipe and an hygroscopic aie aeration pipe respectively.
排气联接管、吸气联接管分别与加热空气鼓风管道、吸湿空气鼓风管道相联接。
2
Unscrew the nut from the service connection of suction line valve and connect the compound pressure gauge.
将真空泵连于复合压力表，打开复合压力表和真空泵对室内机和连接管抽真空。
3
Upon the user's request, the unit may be installed with fast connection, suction pipe, water delivery pipe, instruments and other accessories.