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Author Question: What is the purpose of a high pressure switch in a packaged air handler? What will be an ideal ... (Read 33 times)

leo leo

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on: Jul 26, 2018
What is the purpose of a high pressure switch in a packaged air handler?
 
  What will be an ideal response?

Question 2

What is the purpose of a differential enthalpy sensor?
 
  What will be an ideal response?


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cuttiesgirl16

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

This switch will shut down the fan if the duct pressure exceeds the set point.

Answer to Question 2

This is used for the economizer section. The airstream with the lowest enthalpy will be directed by dampers through the economizer section.


leo leo

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


cuttiesgirl16

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


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