SC Air Conditioning Practice Questions - South Carolina Air Conditioning Contractor Examination Exam

Service (king) valves on a split-system condensing unit are primarily used to:

Isolate the unit so the system can be pumped down, gauged, or recovered without cutting the line set Relieve high-side pressure automatically like a fusible plug Blend POE oil into the liquid line Meter refrigerant into the evaporator in place of a TXV

Correct Answer:

Isolate the unit so the system can be pumped down, gauged, or recovered without cutting the line set

Access more questions from this quiz

Continue to SC Air Conditioning Practice Questions - South Carolina Air Conditioning Contractor Examination Exam for more practice questions and the full quiz experience.

Access More Questions