国产美女黄色高清_国产高潮呻吟_一区二区三区国产精品视频_粉嫩被两根粗黑疯狂进出_97精品国产97久久久久久久久久久久_日本tickle丨vk挠双乳_亚洲成色_亚洲a资源_扒开双腿疯狂喷水高潮在线观看_精品噜噜噜噜久久久久久久久试看

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.