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Author Question: List some resources the air conditioning technician can use to learn about the system operational ... (Read 20 times)

FButt

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on: Jul 26, 2018
List some resources the air conditioning technician can use to learn about the system operational sequence.
 
  What will be an ideal response?

Question 2

Using the air source heat pump sequence chart in Figure 92-2, list the devices in order that control the outdoor fan.
 
  What will be an ideal response?


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LegendaryAnswers

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

Sources of information on the system sequence of operation include the manufacturer's installation and operation and manuals, unit wiring diagrams, unit charging charts, and general textbooks.

Answer to Question 2

R control power to thermostat Y Compressor
Evaporator Float Switch Liquid Low Pressure Switch High Pressure Switch
Anti short cycle timer Compressor Contactor Defrost Control

Run Capacitor


FButt

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


LegendaryAnswers

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


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