Variable frequency drive, fan belt and pulley are core components of a fan and they are critically important to the reliable and durable operation of the fan. Proper maintenance helps t…

Maintenance shall be performed only by qualified personnel after disconnecting power. The user shall set up a table for periodic maintenance of each fan and keep a record of maintenance performed. Mot…

Electronic control systems are equipped on all ventilation systems used for controlling, regulating and monitoring purposes. With the advancement of digitization, digital cont…

As an aerodynamic phenomenon, stall will happen if a fan runs outside the scope of the performance range and flow separation occurs around the blade.   Stall Condition When th…

Proper bearing maintenance is most critical for bearing life. Mounted bearing units (See below). There are lubrication holes that extend to the external surface of the housing;   Clean the surface and…

Maintenance shall be performed only by qualified personnel after disconnecting power. The user shall set up a table for periodic maintenance of each fan and keep a record of …