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1, Suction fan, low noise, smooth operation, big wind, is the characteristic of negative pressure type square fan. 2, Suction fan of the motor can operate in the harsh environment, long service life, suitable for negative pressure suction fan. 3, After computer processing operation of the CNE's fixed seat of concentric circles, with TPI bearing fixed axis, it is not easy to produce noise. 4, Shutter design by using the principle of the downstream air, do not need to use electricity and personnel closed, can prevent water intrusion. 5, To reduce the metal, the outer FRY material, can resist acid and alkali, corrosion resistance, extend the use fixed number of year.
1. The use environment should always be kept clean, the surface of the fan should be kept clean, and the inlet and outlet should not be sundry. Regularly remove dust and other sundries in the fan and tube. 2. The fan can only operate under the completely normal condition. The power supply facilities should be kept with sufficient capacity and stable voltage, and phase loss operation is strictly prohibited. 3. If the fan is found to have abnormal sound, serious heating of the motor, live electricity of the shell, switch tripping, and failure to start, the fan should be stopped for inspection immediately. In order to ensure safety, it is not allowed to repair the fan while it is running. After maintenance, the test run should be conducted for about five minutes to confirm that there is no abnormal phenomenon before starting up and running.