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Author Question: On an AHU with a centrifugal fan, what are two advantages of backward curved air foil blades? ... (Read 50 times)

nelaaney

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on: Jul 26, 2018
On an AHU with a centrifugal fan, what are two advantages of backward curved air foil blades?
 
  What will be an ideal response?

Question 2

List three rules for handling a gauge manifold set that will extend the life of the gauge manifold set.
 
  What will be an ideal response?


Dinolord

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Reply #1 on: Jul 26, 2018
Answer to Question 1

The air foil shaped blades allow for a smoother air flow across the blade that results in less turbulence and noise.

Answer to Question 2

Never drop or abuse the gauge manifold.
Keep ports or charging lines capped when not in use. Never use any fluid other than clean oil and refrigerant.


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