Fans check again before installation of the parts are in good condition, otherwise it should be repaired; a, read "Small Cooling Fan" manual and product samples, knowledge and understanding of the fan size, form, and out of the impeller rotation direction and airflow direction .
2, "Small Cooling Fan" must have safety devices to prevent accidents during installation by professionals familiar with installing and wiring the relevant safety requirements.
3, join "Small Cooling Fan" has a separate duct and export support, do not allow the weight of the pipe overlapping parts added to the fan; wind turbine installation should pay attention to the horizontal position of the fan, the fan and the foundation of the joint surface and the wind connecting pipeline should be adjusted so that the natural fit, can not be forcibly join.