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Author Question: Can outside air ever be completely shut off from a space? What will be an ideal ... (Read 25 times)

crobinson2013

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on: Jul 26, 2018
Can outside air ever be completely shut off from a space?
 
  What will be an ideal response?

Question 2

Why is outside air mixed with return air?
 
  What will be an ideal response?


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underwood14

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

Fire dampers close off the supply of outside air completely so that the fire is not fed any additional oxygen. There are also exclusive systems for special applications that totally shut off the supply of outside air in the event of chemical or biological attack. These dampers should not interfere with normal operation.

Answer to Question 2

If only outside air was used, then the load on the heating or cooling system would be excessive.


crobinson2013

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Reply #2 on: Jul 26, 2018
Thank you!


underwood14

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Reply #3 on: Jul 26, 2018
Always glad to help...


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