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Author Question: What problems are caused by oversized suction lines? What will be an ideal ... (Read 22 times)

lindiwe

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on: Jul 26, 2018
What problems are caused by oversized suction lines?
 
  What will be an ideal response?

Question 2

List the different types of staging that can be used for air handler compressors using direct expansion coils.
 
  What will be an ideal response?


cswans24

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

The primary problem caused by an oversized suction line is that the refrigerant velocity in the suction line may slow to the point that oil drops out of the refrigerant and is not returned to the compressor.

Answer to Question 2

Compressor start & stop, liquid line solenoid valve, cylinder unloaders, hot gas bypass.


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lindiwe

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Reply #2 on: Jul 26, 2018
Thanks


cswans24

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Reply #3 on: Jul 26, 2018
Welcome :)


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