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Author Question: In Figure 39-24, what controls the fan operation in heating? What will be an ideal ... (Read 24 times)

jasdeep_brar

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on: Jul 26, 2018
In Figure 39-24, what controls the fan operation in heating?
 
  What will be an ideal response?

Question 2

What electrical rating on the unit data plate is useful for sizing the circuit breaker for the unit?
 
  What will be an ideal response?


Dunkey

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

The HFR NO contacts in the furnace ignition control board.

Answer to Question 2

Maximum fuse size


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