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Author Question: A high temperature differential (more than 2 degrees) between return air temperature at the grille ... (Read 135 times)

Redwolflake15

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on: Jul 24, 2018
A high temperature differential (more than 2 degrees) between return air temperature at the grille and the return air temperature at the unit indicates:
 
  A) Clogged liquid line. B) Dirty evaporator coil.
  C) Return air leakage. D) Low refrigerant charge.

Question 2

Organizations that support the TAB industry by developing standards and offering certification include:
 
  A) NFPA, NEC, and NEBB. B) NEC, UL, and CSA.
  C) ETL, ASME, and NFPA. D) AABC, TABB, and NEBB.


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steff9894

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

C

Answer to Question 2

D


Redwolflake15

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Reply 2 on: Jul 24, 2018
Wow, this really help

momolu

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

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