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中央空調(diào)報(bào)ee故障

發(fā)布時(shí)間:2025-05-13 點(diǎn)擊:35
中央空調(diào)系統(tǒng)運(yùn)行時(shí),如果發(fā)生制冷劑泄漏或壓縮機(jī)排氣壓力降低(簡稱:漏氣)現(xiàn)象。則會(huì)造成壓縮機(jī)的電流減小、轉(zhuǎn)速下降和振動(dòng)加劇等不良后果。此時(shí)若不及時(shí)處理就會(huì)造成機(jī)組損壞及停機(jī)事故的發(fā)生!因此必須及時(shí)查明原因并采取有效措施進(jìn)行處理。下面以某公司生產(chǎn)的kf—10w/m3型離心式冷水機(jī)組的維修為例介紹幾種常見的處理方法如下;
1、檢查電源電壓是否符合要求?如不符應(yīng)更換同型號(hào)合格變壓器供電。
2、檢查冷凝器是否臟堵?(清洗后試車正常即可使用)。
3、測量蒸發(fā)器的溫度是否正常?如有異常應(yīng)及時(shí)調(diào)整節(jié)流閥的開度來控制流量。(調(diào)節(jié)方法見下表):
4、用萬用表測各管溫元件的電阻值來判斷其有無斷路處,(注意阻值的范圍在0~20ω之間為宜),若有短路應(yīng)立即斷開電路進(jìn)行修理排除故障后再開機(jī)運(yùn)轉(zhuǎn)!(具體步驟為先切斷主開關(guān)再關(guān)閉輔助開關(guān)然后打開主機(jī)上的溫控旋鈕使室溫保持在20°c左右待儀表指示穩(wěn)定后在按動(dòng)啟動(dòng)按鈕觀察機(jī)器工作狀態(tài)是否正常?)
5、將膨脹水箱中的水放凈后用清潔的水沖洗冷卻塔表面并用布擦干水分以免影響散熱效果而縮短使用壽命。


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