Kunshan Shengtang ventilation introduction: Installation of negative pressure exhaust fan need to prepare what?

 Negative pressure fan is also called industrial exhaust fan and negative pressure extraction fan. How to prepare for the installation process? What are the matters needing attention? 1. Preparations for installing the negative pressure fan: Prepare tools such as electric hand drill, hammer drill, electric welding machine, hand grinder, wrench, screwdriver, vice, and materials such as negative pressure fan, Angle iron, sunlight plate, glass glue, and screws required for installing the negative pressure fan. 2, choose negative pressure fan: the quality of negative pressure fan is the key to determine the use effect, air volume, life and failure rate, so don't be cheap. If possible, it is recommended to use the best negative pressure fan, which is one of the hosts with better quality in the industry and has passed various quality inspection and patents. 3. Make negative pressure fan installation bracket: Use Angle iron to make installation bracket for negative pressure fan bearing on site, make triangular bracket similar to air conditioning installation bracket, drill holes for installation bracket, brush anti-rust paint for anti-rust treatment. 4. Fixed negative pressure fan: After the installation bracket is fixed on the solid wall at the bottom of the positive front negative pressure fan to be installed, more than two people will lift the negative pressure fan to the installation bracket, and use self-tapping screws to fix the bracket and the bottom of the negative pressure fan around the negative pressure fan. 5, workshop waterproof rain leakage seal: after the installation and fixing of the good front negative pressure fan, it is necessary to seal the gap next to the negative pressure fan and prevent rain leakage. Small gaps can be coated with glass glue, and the big gaps can be filled with sunshine board, and then the small gaps are sealed with glass glue. 6. Negative pressure fan power distribution test machine: Professional electricians distribute the negative pressure fan, install the control switch, connect the main power line connector with electrical tape for insulation, bury all the power lines into the wire tube or groove, and use a multimeter to test whether the circuit is normal. Complete the above work, the good front negative pressure fan can be powered on the test machine, if the shutter of the fan can normally open the external exhaust air, all the installation work of the negative pressure fan is completed, if the shutter can not open, the motor reversal, you need to disconnect the circuit, any two phase exchange on the call.