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Author Question: What is the purpose of an aquastat? What will be an ideal ... (Read 40 times)

SO00

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on: Jul 26, 2018
What is the purpose of an aquastat?
 
  What will be an ideal response?

Question 2

Use the information on the data plate in Figure 89-24 to determine the minimum current rating for the unit disconnect.
 
  What will be an ideal response?


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nicoleclaire22

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

Aquastat controls are used for hot water oil fired furnaces. They maintain the furnace water at the proper temperature. There is a high limit setting and a low limit setting. The high limit will shut off the burner at a preset temperature.
When the water temperature reaches the low limit, the burner will start up again so that the water temperature does not drop too low.

Answer to Question 2

The disconnect should be sized at 115 of the minimum circuit ampacity 1.15 x 31.5 = 36.225 since disconnect sizes jump from 30 amps to 60 amps, a 60 amp disconnect will be needed.


SO00

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


nicoleclaire22

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


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