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Author Question: What are the two main types of defrost controls used on heat pumps today? What will be an ideal ... (Read 27 times)

waynest

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on: Jul 26, 2018
What are the two main types of defrost controls used on heat pumps today?
 
  What will be an ideal response?

Question 2

What is the difference between auxiliary heat and emergency heat?
 
  What will be an ideal response?


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FergA

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

Time temperature and demand controls that use temperature differential.

Answer to Question 2

Emergency heat energizes the auxiliary heat on first stage instead of second stage and does not energize the compressor and outdoor fan at all.


waynest

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Reply 2 on: Jul 26, 2018
Gracias!

isabelt_18

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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