国产美女做a免费视频软件_美国一级毛片aa黑人_欧美电影免费在线观看_a级成人**片免费视频高清_欧美乱视频在线观看_色综合久久天天综国产精品毛片无遮挡_国产无码自拍av在线_亚洲国产类.欧美激情桃花_被三个男人绑着躁我好爽视频_高潮娇喘抽搐在线观看

How to recycle the refrigerant of industrial water chiller to the reservoir?

The concrete operation steps of recovering refrigerant from industrial water chiller to liquid storage device are as follows:

1. Open all valves of industrial water cooler refrigeration system, and turn the suction globe valve counterclockwise to make it fully open. Then connect the repair valve with the suction globe valve by using multi-purpose joint.

2. Close the repair valve and adjust the suction stop valve to the three-way position.

3. Rotate clockwise to close the outlet globe valve of the reservoir.

4. Start the refrigeration compressor of the industrial water chiller, the main force in the evaporator is sucked into the condenser and the reservoir.