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Author Question: What is the function of a purge unit? A) A purge unit is used to purge the refrigeration oil out ... (Read 61 times)

cherise1989

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on: Jul 24, 2018
What is the function of a purge unit?
 
  A) A purge unit is used to purge the refrigeration oil out of the refrigerant.
  B) A purge unit is used to purge the superheat from the condenser.
  C) A purge unit will purge the air from the top of the condenser.
  D) A purge unit is used to purge the air out of the chilled water loop.

Question 2

Why do air-source heat pumps usually require auxiliary heat?
 
  A) The heat that a heat pump pumps in must first be provided by an auxiliary heat source
  B) Because air-source heat pumps break down a lot
  C) The heat pump compressor will not start in cold weather unless it is first warmed up
  D) Because the heating capacity of the unit drops as house heating requirements increase


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josephsuarez

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Reply #1 on: Jul 24, 2018
Answer to Question 1

C

Answer to Question 2

D


cherise1989

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Reply 2 on: Jul 24, 2018
Gracias!

kusterl

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Reply 3 on: Yesterday
Wow, this really help

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