空调室外机的两根管子开机后总是湿的这是不是说明是漏氟了

2025年02月07日 18:53
有2个网友回答
网友(1):

不是漏氟,是蒸发器半堵漏水 。
故障现象:空调运行一段时间后空调漏水
原因分析:到现场开机运行20分钟后发现内机开始吹水,拆开面板框发现蒸发器有几根长U管翅片很冷且冷凝水较多,而其他蒸发器翅片无明显凉意;开始怀疑系统缺氟,用压力表测系统压力,系统压力正常;过段时间后又发现那几根长U管翅片上开始大量挂水,将手放在出风口,可明显感觉有水吹出;观察挂水的长U管发现其为•一个流路,用手触摸蒸发器翅片,发现两流路长U管翅片间温差较大,通过以上现象可以判断蒸发器半堵,造成雪种偏流;在蒸发器半堵的情况下,雪种流量较大的长U管翅片温度偏低而雪种流量较小的长U管翅片温度较高,致使两个流路间温差较大,而使雪种流量较大的长U管翅片凝结大量冷凝水,并随风吹出。
解决措施:与用户协商更换蒸发器后故障排除,用户满意。
经验总结:对于因焊堵或半堵系统偏流换热器而造成凝露造成的漏水表现较好区分:整个风道内部均布满细细的水珠、同时风轮叶片上也明显可见水珠。

网友(2):

空调机在正常工作时,两个管子(细的称为液氟管,粗的叫气氟管)由于蒸发制冷,在表面是冷的。在它上面的水是冷凝现象。 提供一个小经验:当空调漏氟时,一般出现在连接处,又因为氟气(R-22)是可以“溶”于冷冻油的,因此,凡是漏氟处,都有“油迹”出现,这是做出(漏氟)故障判断的重要依据。

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