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                        格力空调故障的一般分析方法

                        格力空调故障的一般分析方法 一、

                        空调器故障分析的一般方法 空调器由制冷系统和电气系统组成,它的运行状态又与工作环境和条件有密切的关系,所以对空调器的故障分析需要综合考虑。

                         故障原因可分为两类,

                        一类为机外原因或人为故障(特别是电源是否正常),

                        另一类则为机内故障。 在分析处理故障时,首先应排除机外原因。排除机外因素后,又可将机内故障分为制冷系统故障和电气系统故障两类,一般应先排除电气系统故障。至于电气系统故障,又可从以下两方面来查找:开关电源是否送电;电动机绕组是否正常。 按照上述总的分析思路,便可逐步缩小故障范围,故障原因也就自然水落石出了。

                        二、空调器初步检查 制冷系统运行时,进行初查采用的是问、摸、看、听、查的办法。这些办法既简单而且有效。 摸: 压缩机正常运行20-30分钟后,摸一摸吸气管、排气管、压缩机、蒸发器出风口、冷凝器等部位的温度,凭手感便可判断制冷效果的好坏。

                         A. 压缩机温度一般在90-100℃。

                        B. 摸蒸发器的表面温度。工作正常的空调器蒸发器各处的温度应该是相同的,其表面是发凉的, 一般在15℃左右,裸?#23545;?#22806;的铜管弯头处有凝露水。

                        C. 摸冷凝器的表面温度。空调器开机运转后,冷凝器很快就会热起来,热得越快?#24471;?#21046;冷越快,在正常使?#20204;?#20917;下,冷凝器的温度可达80℃左右,冷凝管壁温度一般在45-55℃。

                        D. 摸低压回气管表面温度。正常时,吸气管冷,排气管热。手摸应感到凉,如果环境温度?#31995;停?#20302;压回气管表面还会有凝露水,如果回气管不结露,而高压排气管比较烫,压缩机外壳也很热,很可能是制冷剂不足,如果压缩机的回气管?#20808;?#37096;结露,并结到压缩机外壳的一半或全部,?#24471;?#21046;冷?#20937;?#22810;。

                        E. 摸高压排气管温度。手摸应感到比较热,夏天时还烫手。

                        F. 摸干燥过滤器表面温度。在正常情况下,手摸干燥过滤器表面感觉略比环境温度高。如果有凉的感觉或凝露,?#24471;?#24178;燥过滤器有微堵现象。

                         G. 摸出风口温度。手应感觉出风有些凉意,手停留的时间长就感到有些冷。

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