1, "Small Cooling Fan" ambient temperature should 75ºC≥-40ºC.
2, industrial gas through the cooling fan does not allow acids, alkali and a variety of solutions.
3, does not allow dust and other debris fall into the fan blades to avoid fans burned and broken.
4, "Small Cooling Fan" before installation should first check whether the damage caused due to packing and shipping, deformation, deformation should be repaired if damaged or after installation.
5, and then check the "Small Cooling Fan" all parts and screws are loose; whether touching or shift between the blade and duct before installation if collide or shift should be adjusted.