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10秒装修报价 装修要花多少钱?获得精准报价,省钱30%
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将水流开关控制一小继电器,再由该继电器去控制电磁阀即可。见附图。
中央空调水机主管道上的“水流开关”是用来检测主管道内水流是否正常的;如果水泵故障或者是管道堵塞导致水流过小,水流开关都会动作,给主机“不开机”的信号,以保护主机。但是,当水流开关损坏或者是人为端接的时候,往往会造成主机出现更大的故障。水流开关用在散热水系统以及冷水供冷系统的水管中,多数在主机的进出水管(两三米)不远的地方,或是水泵前后不远地方,因为要防止蒸发器结冻及保护水泵没有水的情况下继续空转。
1.靶片的选择 我公司生产的流量开关除了客户要求配好三通的以外,在出厂时均装有可拆卸的多种规格的靶片,可根据实际安装状态选用不同的靶片,如无合适长度的靶片,可用稍长的靶片修剪而成。 需要注意的是:靶片的安装不得过长,过长可能会碰到管壁;靶片的安装不得过短,太短会影响开关的灵敏度,严重的会使开关不动作。 2.水流开关的安装 请您一定要牢记, 流量开关一定要安装在直线管道上,其二边至少有5倍管径以上的直线管道。 第二,水流开关拧紧时应使靶片与流体的流向垂直,并保持流量开关外壳上的箭头方向与管道内流体的流向一致。水流开关可安装在水平管道或液流方向向上的垂直管道中,但不能安装在液流向下的管道中。 第三, 将流量开关拧入管道三通时,为防止开关损坏,不允许握住壳体进行安装,必须使用六角扳手扳住阀体六角处安装。 第四,流量开关不能遭受水击,如在水流开关下方装有快速闭合阀,必须使用合适的节流器,以防水流冲击。
当没有水流时。而自上而下的流水推开关向下,开关的自重也会向下,由下至上流的管时水推开关向上水流开关是要检测水的流动,就检测不到是不是有水流了,检测到有水流
水在管内一流动。不能装在增加泵前面家用增加泵里的水流开关就安装在增加泵后面,家用增加泵工作,但有水(水在管内流动),虽水小,就推开水流开关内板,并使开关闭合,出水量增加,会造成误动作,当你用水时
当有水时相当于开关闭合就是正常的一个接正一个接负就行,水流开关就相当于一个开关,开关怎么接它就怎么接