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制冷压缩机排气压力过高的原因
发布时间:2011-10-14
制冷压缩机排气压力过高，超过设定值，压力继电器会自动切断电源，从而发生保护性停机。造成压缩机排气压力过高的原因：
① 冷凝器冷却水阀门或水量调节阀末开；
② 进入冷凝器的水量太少或水温过高；
③ 冷凝器水管积垢太厚或风冷式冷凝器积灰太厚；
④ 系统中制冷剂量太多；
⑤ 排气管阀门末开足，储液器进口阀开得过小；
⑥ 系统中有大量空气。
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