推荐回答(5个)
总结:空调制冷机是现在家庭生活中很普遍的家用电器,下面介绍制冷机怎么加氟利昂。
材料:空调加氟工具一套,制冷剂一瓶、空调加氟工具、空调加氟工具连接、空调加氟工具连接钢瓶
方法/步骤
1、将制冷机开制冷,用两根加氟管,一根加氟管一端接在氟利昂罐子加氟嘴上。
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2、另一端接三通压力表阀,另一根的一端接表阀的输出端。
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3、用扳手将外机的低压端加氟嘴的盖帽拧开,将第二根加氟管另一端装在外机低压端加氟嘴上。
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4、打开氟利昂加氟嘴上的阀门可直接向空调加氟。
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5、观察表压,当达到0.35到0.4MPa时,制冷机就可以正常使用。
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注意事项:
如果制冷剂已经漏光,可以定量加氟,按照空调设定的加注量,用秤按照标准加注量加氟,制冷剂种类和加注量在外机上都有标明,可以自己查看下。
关于空调加氟的问题如果一台空调需要重新加氟该如何进行呢?1、一般正规的产品在室外的铭牌上都标有充注量,重新加时可以按这个值加就可以了,不过有一点就是在现场不一定有办法能称到加氟量。2、如果没办法找到厂家宣称的充注量,一般可按经验估计如下:制冷量2000W左右 700g左右制冷量2500W左右手 900g左右制冷量3200W左右 1200g左右制冷量5000W左右 1500 g左右制冷量7000W左右 2200 g左右制冷量9000W左右 2900 g左右制冷量12000W左右 3400 g左右以上数据基于能效比在2.8~3.0W/W,如果空调能效比低于此值0.2,则相应的充注量可能会减少15%,反之能效比高于0.2时,充注量相应增加10%。此为经验值,供参考3、若在现场没有办法称得重量,那就只有用压力表的读数来判断是否加氟合适了。首先我们明确一点,空调吸气阀处的压力是随使用时的状态变化的,如室内外环境温度,运行风扇转速有关。一般空调厂家都会在名义制冷条件下进行测试(室内干球27C,湿球19度,室外35度),此工况下的吸气压力表压范围约为(0.45Mpa~0.55Mpa),一般能效比越高的空调,名义时的吸气压力越高。可大致按能效比2.6~3.2W/W对应0.45~0.55Mpa估算相应的低压表读数。而在不同环境温度下吸气压力的变化可按表中的系数估计,注意室内为湿球温度,室外为干球温度。根据以上的信息可以估算在实际的现场调试时吸气压力应加到多少合适,实际操作时如不能准确把握,建议吸气压力取低不取高,因为氟微少不会能压缩机造成致命危害,但多了会造成液击,损坏压缩机。根据压力表还有一个方法可以判断加氟是否合适,那就是先加入少量的氟(根据经验应有一半左右),然后将空调开启为制冷,读到压力表稳定读数,然后再加少量氟,关闭加氟口,再记下稳定压力,如压力表读数明显上升,则说明原氟不足,再接着加,如压力仍明显上升,则继续加,如压力不升或上升很小,则不要加了,可放一点氟,看压力是否下降较大,如下降较大则不放了,如无明显下降则接着放
问题要问的明白点!知道不? 空调,冰箱,冻库,带压缩机的饮水机都可以称为氟利昂制冷机!叫别人怎么帮你!
一半把制冷机维修口打开直接加入提议最好到附近家电维修站一版80RMB
氟利昂制冷机加氟调试技术
1、测量电源电压。
2、测量压缩机三项绕组电阻值和电机绝缘情况。
3、检查制冷系统各阀门开闭情况。
4、抽空后向储液灌注入制冷剂至标准充灌量的70%—80%重量,然后在运转压缩机,从低压加气至够量为止。
5、开机后首先听压缩机的声音是否正常,看冷凝器、冷风机运转是否正常,压缩机三相电流是否平稳。
6、正常降温后,检测制冷系统各部分,排气压力、吸气压力、排气温度、吸气温度、电机温度、曲轴箱温度、膨胀阀前温度,观察蒸发器、膨胀阀结霜情况,观察油镜油位及颜色变化,设备运转的声音有无异常。
7、根据冷库的结霜和使用情况设定温度参数和膨胀阀开启度。
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