空调只制冷不制热是什么原因-室内热交换器当蒸发器吸收热量(KongDiaoZhiZhiLengBuZhiReShiShenMeYuanYin-ShiNeiReJiaoHuanQiDangZhengFaQiXiShouReLiang)

空调服务 已结 1 37
海棠才谢
海棠才谢 2020-06-18 15:50
作为调节室内温度的重要电器,空调在人们的日子中扮演着至关重要的角色。现在,市场上许多空调都是冷暖两用型,每到冬季,绝大部分家用空调都被纷繁派上用场;但是,有些业主在
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  •  皮卡丘的弟弟皮一下
    2020-06-18 15:50

      作为调节室内温度的重要电器,空调在人们的日子中扮演着至关重要的角色。现在,市场上许多空调都是冷暖两用型,每到冬季,绝大部分家用空调都被纷繁派上用场;但是,有些业主在运用空调制热时,会非常惊奇的发现——夏天工作正常的空调到冬天就不行了,会制热,但制热量缺乏。空调只制冷不制热的原因是什么,是不是空调坏了、仍是其它什么原因导致空调制热量缺乏?下面,网专家陪您来分析一下空调只制冷不制热的原因有哪些。

      1、运用不当

      空气过滤器积尘太多、内外机通风口被异物阻塞,然后形成出风口的出风量削减,形成制热量缺乏,这不是毛病,属于空调的保养问题,只需定时取下空气过滤网清洗,就可恢复正常,一般每半月清洗一次过滤网比较适合,用户可经过家用空调清洗方法与过程(图解)这篇文章详细了解清洗流程。另外,空调房间门缝、墙洞未堵死,或是开窗开门频繁,形成室内热量流失,用户需注意正确运用空调。

      2、环境因素

      冷暖型空调分热泵型、热泵辅佐电热型和电热型三种,在制热量相等条件下,前两种耗电比第三种约小一半,考虑到供电容量和用电费用,现在的家庭遍及挑选前两类空调,但应注意它们的运用条件,前两种只适用于零下5℃以上的环境下,显然对北方地区不适,所以空调在较冷的冬天制热作用不理想,这是正常现象。关于无主动除霜的热泵型空调器,它运用的最低环境温度是零上5℃,低于这个温度就不制热或作用很差,这是由于外部换热器上积霜堵住了空气活动,不能再从外界吸入热量的缘故;关于有主动除霜的热泵型空调器,它运用的最低环境温度也是零下5℃,低于这个温度也不能有用制热。

      除了环境因素和业主运用不当外,空调只制冷不制热还有一个重要的原因,便是制冷循环体系、控制体系发生毛病,主要体现在以下几点上:

      3、制冷剂缺乏

      由于制冷体系走漏使体系内参加热循环的制冷剂缺乏,导致热交换功率下降,然后发生制热量缺乏现象。若存在此类毛病,会呈现体系制热量、制冷量都缺乏的现象,此刻接入压力表,测体系的压力,会发现压力明显比正常时低,再查看管路,在严峻走漏处会发现有明显的油渍,而关于轻微的走漏点则应经过电子检漏仪来检漏。

      4、四通阀串气

      热泵型空调经过四通阀来切换制冷和制热状态。在制冷时,室外热交换器作冷凝器用,室内热交换器当蒸发器吸收热量;而制热时,室外热交换器作蒸发器,室内热交换器当冷凝器开释热量。若四通阀串气,则有部分本应参加热交换的制冷剂在四通阀处直接由压缩机出气管返回到回气管,导致参加热交换的制冷剂削减,热交换功率下降,然后引起制热量缺乏。外在的表现主要是高、低压压力不稳定,摸管道(接四通阀的两根热管与两根冷管)冷、热 不均匀;也有些毛病表现为相似制冷剂缺乏或制冷、制热都缺乏,但经过检测,高压侧压力正常。

      5、化霜控制器失灵

      热泵型空调在制热状态时的蒸发器坐落室外机组内,关于选用热冲霜化霜装置的热泵型空调,若化霜控制器失灵,使空调无法及时转入化霜运行状态,则会呈现热泵制热时蒸发器结霜现象,影响空调制热的热交换功率,导致制热量缺乏、乃至停机。此刻应侧重观察是否存在以下现象:化霜感温器件错位、触头粘边或接触不良,风机叶轮打滑或风道阻塞,电磁阀或发动继电器失效。

      6、辅佐电加热功用失效

      现在热泵辅佐电热型空调遍及选用PTC电辅佐加热技能,PTC电辅佐加热技能可在超低温条件下迅速制热,效能强劲,安全可靠,可长期运用。若电辅佐加热控制电路或电辅佐加热设备呈现毛病、不能正常工作,在环境温度比较低时,会导致空调制热量缺乏,乃至在环境恶劣时空调完全不制热。关于热泵辅佐电热型空调,若呈现环境温度较高(在5℃以上)制热正常,而环境温度较低(在0℃以下)制热量缺乏或不制热,则应怀疑电辅佐加热控制电路或电辅佐加热设备呈现毛病,修理时应侧重查看这两个部分。

      空调只制冷不制热的原因主要就有以上几点,如果室外温度过低,空调制热作用不好的话属正常现象,由于空调的主要功用是制冷,制热功用并不是空调的强项。如果您是对采暖需求较高的客户,网专家建议挑选一套家庭独立采暖体系,如地暖、暖气片,二者都是现在最为盛行有用的采暖设备,或许选用中央空调+壁挂炉的方式,可完成制冷制热日子热水三位一体,这三种家庭采暖方案,无论是舒适度,仍是全体性价比,都远远优于传统空调取暖,您能够经过以下相关内容进一步了解。


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