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Author Question: Of the four phases listed, which one is performed before the others? A) Electrical connection B) ... (Read 47 times)

melly21297

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Of the four phases listed, which one is performed before the others?
 
  A) Electrical connection B) Piping installation
  C) Evacuation and charging D) Start and check

Question 2

On heat recovery systems:
 
  A) One indoor unit can be in heating mode while others are in cooling mode at the same time.
  B) It is required that all indoor units be in heating mode.
  C) It is required that all indoor units be in cooling mode.
  D) Both A and B.



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cascooper22

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Answer to Question 1

B

Answer to Question 2

A




melly21297

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Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review


amcvicar

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Reply 3 on: Yesterday
Gracias!

 

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