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中央空調冷卻出水故障

發布時間:2025-05-26 點擊:29
中央空調的制冷原理是壓縮機將蒸發器的低溫高壓氣體壓縮成高溫、低壓氣體(壓力約為0.8mpa),再經過冷凝器散熱后變成液體狀態進入儲水箱。由于在運行過程中溫度會不斷變化且波動較大,為了保證系統的正常運行和設備的使用壽命,需要通過循環泵來對系統進行水壓調節和水量補充。如果系統中出現泄漏或堵塞等異常情況時就會造成機組無法正常運轉或者停機檢修的情況發生。下面以常見的冷卻出水故障為例分析說明:
1. 冷卻水量不足引起主機不工作
(1)現象:主機的水溫顯示為常溫;風機轉速低甚至不動;風盤內無水流出;冷凍水泵電流過大并發出嗡、咔嗒聲;膨脹閥開度過小或無動作;補水箱水位低于最低值;管路中有空氣或有漏水處。
(2)原因及處理措施:1檢查管道有無漏點。2更換密封墊片。3清洗濾網。


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