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TRG-TRC013-EN 27
notes
The most common types of fans used in air conditioning applications are the
centrifugal and axial designs.
In a centrifugal fan the airflow enters the center of the fan from the side and
follows a radial path through the fan wheel. There are three principal types of
centrifugal fans, each distinguished by the type of fan wheel used: forward
curved (FC), backward inclined (BI), and airfoil (AF).
Air Conditioning Fans
period two
Figure 38
Centrifugal Fan
Figure 39
period two
Fan Types