When frequency converter and PLC is at fault, automatic switch to the original soft start work frequency power operation, ark to ensure the normal work of the compressor.
当变频器及PLC发生故障时，自动切换到原软启动柜工频电源运行，以保证压缩机的正常工作。
The compressor has to start with back pressure!
压缩机将负压启动！
The characteristic of the control method lies in that a timer is used to control the start and stop of the compressor of the refrigerator.
一种冰箱的控制方法，其特征是用定时器控制冰箱压缩机的起动、停止。
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