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制冷系统内排放出制冷剂具体方法

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Post time 2016-3-25 11:55:28 | Show the author posts only Reply Awards |Descending |Read mode
维修汽车空调的时候有时候我们需要将车上空调系统的制冷剂从制冷系统内放出,从制冷系统内放出制冷剂具体方法如下:

(1)关闭歧管压力计上的手动高低压阀,并将其高低压软管分别接在压缩机高低压检修阀上,将中间软管的自由端放在干净的软布上。
(2)慢慢打开手动高压阀,让制冷剂从中间软布上排出,阀门不能开的太大,否则压缩机内的冷冻油会随制冷剂流出。
(3)当压力表读数降到0.35Mpa以下时,再慢慢打开手动低压阀,使制冷剂从高低两侧流出。
(4)观察压力表读数,随着压力的下降,逐渐打开手动高低压阀,直至低压表读数到零为止。

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