Air Conditioning Fans

Air Conditioning Clinics (Equipment Series)

Coverage of fan system performance, types of fans, and methods of control.

Topics include:

Static pressure vs. velocity pressure
Fan performance curves
Fan system interaction
Basic types of fans (forward curved - FC, backward inclined - BI, backward curved - BC, airfoil - AF, plug or plenum, vaneaxial, and variable-pitch vaneaxial - VPVA)
Methods of fan control (riding the fan curve, discharge dampers, inlet vanes, variable-speed drive, and variable-pitch blade control)
Static pressure control
Fan system effects
Acoustics
Effect of actual conditions–altitude
Equipment certification standards

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Centrifugal Water Chillers

Description of the components, operation, and application of a centrifugal water chiller.
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Absorption Water Chillers

Discussion of the fundamentals of the refrigeration cycle as it pertains to an absorption water chiller.
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Helical-Rotary Water Chillers

Discussion of the fundamentals of the refrigeration cycle as it pertains to an absorption water chiller.

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