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Author Question: In Figure 39-46, how does the thermostat control the operation of the compressor? What will be an ... (Read 39 times)

jenna1

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on: Jul 26, 2018
In Figure 39-46, how does the thermostat control the operation of the compressor?
 
  What will be an ideal response?

Question 2

In Figure 39-46, how does the high pressure switch, HPS, protect the compressor?
 
  What will be an ideal response?


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jackie

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

The thermostat energizes the cooling relay. The cooling relay NO contacts close to energize the compressor contactor coil. The compressor contactor NO contacts close to energize the compressor.

Answer to Question 2

It breaks the circuit to the compressor contactor coil, which opens its contacts, shutting off the compressor


jenna1

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Reply 2 on: Jul 26, 2018
Excellent

Zebsrer

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

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