A service valve can be used to ____.
A) check the electrical service to the compressor
B) isolate the refrigerant so the system can be serviced
C) check the air flow across the evaporator
D) check the ambient temperature at the condenser

Question

Quizplus · Accepted Answer

A service valve is specifically designed to isolate the refrigerant in a HVAC system so that the technician can perform maintenance, repair or replacement of system components without losing or releasing refrigerant. Service valves can be found on both the high and low-pressure sides of the refrigeration system.

A Service Valve Can Be Used to ____