冷却系统采用超静音离心风机+永磁变频,风扇噪音低,根据不同工况自动调节电机转速,能耗平均降低50%的同时,降低噪音。The cooling system uses ultra-quiet centrifugal fan + permanent magnetic variable-frequency, with low fan noise. The motor speed can be automatically adjusted according to different working conditions, and the energy consumption can be reduced by 50% on average.