在夏季,气温高,而这时冰箱温度每降低1度都困难,利用箱体隔热层和门封条制冷量流失也会加速,如此也会出现启动时间长而关机时间却很短。如此就会造成压力机高温下长时间运转,加重了活塞杆与液压缸的损坏,电机线圈丝包线的阻燃性能也会因为持续高温而降低,用电量还会急剧上升,即不经济又不规范。若此时此刻改在打弱档(2-3),就会发现开机速度明显减短,关机时间延长,如此即节省了电磁能,又降低了制冷压缩机损坏,延长了使用期限。
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