在制冷系统控制器确定为低负荷情况时，可变速驱动控制器以运转的较低速度模式操作压缩机马达。
When a low load situation has been determined by the refrigerant system controls, the variable speed drive operates the compressor motor at lower speed mode of operation.
在制冷系统控制器确定为低负荷情况时，可变速驱动控制器以运转的较低速度模式操作压缩机马达。
When a low load situation has been determined by the refrigerant system controls, the variable speed drive operates the compressor motor at lower speed mode of operation.
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