唯一的坏处是空调不冷,还有空气里的水汽会结冰堵住expansion valve,造成R134压力过高导致pressure switch shut off,直到温度上升冰融解expansion valve开通才重新制冷。
如果这个压力增高归于有害的话。
唯一的坏处是空调不冷,还有空气里的水汽会结冰堵住expansion valve,造成R134压力过高导致pressure switch shut off,直到温度上升冰融解expansion valve开通才重新制冷。
如果这个压力增高归于有害的话。
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