Author Question: The compressor in an existing split system is being replaced. The system has a 35 ft line set. The ... (Read 21 times)

dalyningkenk · **on:** Jul 24, 2018

The compressor in an existing split system is being replaced. The system has a 35 ft line set. The factory charge for the condensing unit is 80 oz. The installation instructions state that the factory charge assumes a line length of 15 ft and gives the per-ft adjustment as 0.6 oz per foot. How much refrigerant should be added to the system after the system has been evacuated?

A) (35 15 ) 0.6 = 12 oz B) 80 oz + ((35 15 ) 0.6 ) = 92 oz
C) 80 oz D) 80 oz + (35 0.6 ) = 101 oz

Question 2

What is the purpose of a capacitor in an AC motor circuit?

A) It boosts voltage like a transformer.
B) It holds a one-time charge to help the motor start.
C) It provides a phase shift so the motor can start more easily.
D) It provides circuit overload protection.