You usually use a centrifugal fan has noticed when booting problems, especially as mechanical electric must pay special attention to the problem of starting.
(1) gradually open the outlet valve and the valve to the entrance, should pay attention to whether the motor overload, such as motor overload should control the import and export flow, shall not exceed the prescribed.
(2) listen to the inside of the fan is not normal drop friction sound.
(3) careful attention to the machine has no vibration or not normal noise, such as abnormal vibration and noise should stop and check the reason drops.
(4) check the bearing temperature rise is normal, usually no more than the indoor temperature of 35 ℃ ~ 40 ℃, bearing the highest surface temperature less than 65 ℃.
(5) inspection of import and export pipeline tightness and various kinds of instrument use is normal.