空調制冷不制熱的原因
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更新時間：18/01/22 15:38:01 來源：
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空調制(zhi)冷不制(zhi)熱(re)的原(yuan)因
空調器制冷正(zheng)常(chang)，但不制熱的故障(zhang)，常(chang)常(chang)出現以下幾種情況：
１． 對(dui)于ＫＦＲ型空調器，若(ruo)制冷正常，而(er)不制熱，其故(gu)障主要發生在四通電(dian)磁(ci)閥或(huo)其控制電(dian)路。
２． 某空(kong)調(diao)器不(bu)(bu)能(neng)制(zhi)(zhi)(zhi)(zhi)熱(re)，但始(shi)終制(zhi)(zhi)(zhi)(zhi)冷，測量四通(tong)(tong)(tong)電(dian)(dian)(dian)磁(ci)閥(fa)(fa)(fa)線(xian)圈兩端(duan)電(dian)(dian)(dian)阻(zu)值，結(jie)果為無(wu)(wu)窮大，說(shuo)明線(xian)圈有開是 線(xian)圈根部斷線(xian)，焊接(jie)好(hao)后試機，制(zhi)(zhi)(zhi)(zhi)熱(re)恢復(fu)正常。某華寶ＫＦＲ－３０Ｗ空(kong)調(diao)器制(zhi)(zhi)(zhi)(zhi)冷正常，但置于制(zhi)(zhi)(zhi)(zhi)熱(re)狀(zhuang)態時，四通(tong)(tong)(tong)電(dian)(dian)(dian) 磁(ci)閥(fa)(fa)(fa)有電(dian)(dian)(dian)磁(ci)聲，但不(bu)(bu)動作。測四通(tong)(tong)(tong)閥(fa)(fa)(fa)兩端(duan)電(dian)(dian)(dian)壓，結(jie)果低于２２０Ｖ許多(duo)，說(shuo)明四通(tong)(tong)(tong)閥(fa)(fa)(fa)是因供電(dian)(dian)(dian)電(dian)(dian)(dian)壓不(bu)(bu)足，產生磁(ci)力 不(bu)(bu)夠，引起動作失(shi)靈而(er)無(wu)(wu)法制(zhi)(zhi)(zhi)(zhi)熱(re)。經查是與四通(tong)(tong)(tong)閥(fa)(fa)(fa)線(xian)圈串(chuan)聯的控(kong)制(zhi)(zhi)(zhi)(zhi)繼電(dian)(dian)(dian)器觸(chu)點(dian)接(jie)觸(chu)不(bu)(bu)良(liang)，電(dian)(dian)(dian)阻(zu)增大，致使電(dian)(dian)(dian)壓 降(jiang)低。處(chu)理接(jie)觸(chu)觸(chu)點(dian)后，空(kong)調(diao)器恢復(fu)制(zhi)(zhi)(zhi)(zhi)熱(re)。
２．對于ＫＦＤ型(xing)電熱(re)式(shi)空調(diao)(diao)器(qi)(qi)(qi)(qi)，若制(zhi)冷(leng)正常(chang)，不能(neng)制(zhi)熱(re)，其故障主要出現在(zai)電熱(re)器(qi)(qi)(qi)(qi)及其供電回路的(de)(de)交流接(jie)觸器(qi)(qi)(qi)(qi) 溫(wen)控(kong)器(qi)(qi)(qi)(qi)和(he)超溫(wen)熔斷器(qi)(qi)(qi)(qi)。如某電熱(re)式(shi)空調(diao)(diao)器(qi)(qi)(qi)(qi)不能(neng)制(zhi)熱(re)，但制(zhi)冷(leng)正常(chang)。在(zai)斷電狀態下(xia)，測得電熱(re)器(qi)(qi)(qi)(qi)的(de)(de)電阻絲完好， 熔斷器(qi)(qi)(qi)(qi)也正常(chang)，判斷是溫(wen)控(kong)器(qi)(qi)(qi)(qi)失(shi)靈。用導線將(jiang)溫(wen)控(kong)器(qi)(qi)(qi)(qi)的(de)(de)觸點短接(jie)試機，制(zhi)熱(re)正常(chang)。更換新的(de)(de)同型(xing)號溫(wen)控(kong)器(qi)(qi)(qi)(qi)后，故障排除。
３．對于采用(yong)ＰＴＣ發(fa)(fa)熱(re)(re)元(yuan)件來制(zhi)(zhi)熱(re)(re)的空調器(qi)，如寶華ＫＴＱ－３ＤⅡ型空調器(qi)，若制(zhi)(zhi)冷正常，不(bu)能制(zhi)(zhi)熱(re)(re)的因是(shi)(shi)ＰＴＣ發(fa)(fa) 熱(re)(re)元(yuan)件沒有工(gong)作。在斷電的狀態(tai)下，測量(liang)ＰＴＣ發(fa)(fa)熱(re)(re)元(yuan)件，發(fa)(fa)現其并沒有損壞(huai)，但固定引(yin)線的兩螺(luo)母(mu)(mu)(mu)已銹蝕(shi)估 計是(shi)(shi)因螺(luo)母(mu)(mu)(mu)銹蝕(shi)造成(cheng)ＰＴＣ與外接(jie)線間接(jie)觸不(bu)良。但更換新(xin)螺(luo)母(mu)(mu)(mu)后試機仍不(bu)制(zhi)(zhi)熱(re)(re)，再查是(shi)(shi)加熱(re)(re)開關損。
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