求翻译： 电源与节能变频器之间不要用接触器来控制节能变频器的启动或停止，否则会影响节能变频器的使用寿命。是什么意思？

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 Between the power source and the energy conservation frequency changer do not have to use the contact device to control conserves energy the frequency changer the start or stops, otherwise can affect conserves energy the frequency changer the service life.

Do not use the contact between power supply and energy saving frequency converter to control the energy-saving of frequency converter to start or stop, otherwise it will affect the service life of energy saving frequency converter.

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