How should you charge an R134a or R404 reach-in that uses a cap tube system?
a. Weigh in the charge per the nameplate.
b. Charge to a 30° condenser split (25 ° for freezers).
c. Charge to a clear sight glass, proper condenser split, and 10° subcooling.
a. Weigh in the charge per the nameplate.
You might also like to view...
Which of the following is not a type of axonometric projection?
A. isometric B. trimetric C. diametric D. both a and b E. none of the above
What is the difference in equivalent length of an 8-in connector between a 45-degree ell and a 90-degree ell?
A) 9 ft B) 6 ft C) 7 ft D) 8 ft
Why should the temperature inside the compressor be kept under 300°F?
A) Because the compressor oil starts to break down above 300°F B) Because the metal components inside the compressor will start to melt C) Because the refrigerant starts to fractionate above 300°F D) Because the refrigerant starts to boil inside the compressor above 300°F
How many address bits would be required for a memory that stores 64, 4-bit words?
A) 2 B) 8 C) 6 D) 4