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Author Question: Explain the difference between two position and modulating damper control. What will be an ideal ... (Read 49 times)

mpobi80

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on: Jul 26, 2018
Explain the difference between two position and modulating damper control.
 
  What will be an ideal response?

Question 2

Explain how a compression fitting works.
 
  What will be an ideal response?


Anton

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

Two position dampers are either open or closed, modulating damper control can position the dampers anywhere between open and closed.

Answer to Question 2

The compression joint is composed of a compression sleeve, a ferrule, and a compression nut. The copper tubing fits through the nut and the ferrule into the sleeve. The nut threads over the sleeve. As the nut is tightened, it squeezes the ferrule around the tubing. The compression of the ferrule around the tubing seals the joint.


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