Question 102Refrigeration/AC - Assistant Engineer70% to pass
To add refrigerant to the high side of an air conditioning system, you should close the king valve and introduce the refrigerant through what valve in what state?
AI Explanation
The correct answer is D) charging valve as a liquid.
To add refrigerant to the high side of an air conditioning system, you should introduce the refrigerant as a liquid through the charging valve. The charging valve is specifically designed for this purpose, allowing you to safely and properly charge the system. Introducing the refrigerant as a liquid through the charging valve helps ensure it enters the system in the correct state, which is important for the proper operation and efficiency of the air conditioning system.
The other options are incorrect because the condenser purge valve is not used for charging the system, the suction service valve is on the low side, and the discharge service valve would introduce the refrigerant in the wrong state (as a vapor).
Related Questions
#100 The compressor used in a water-cooled air conditioning system is short cycling. A service check determines that the suction pressure remains above the normal cut-in point during cycling and that the discharge pressure rapidly builds up to the cut-out point while running and gradually falls to the cut-in point during the off cycle. What is likely the cause? #101 To add small amounts of refrigerant to the low side of an air conditioning system, the refrigerant should be introduced through a particular valve and in a particular state. What valve and state combination is correct? #103 Concerning the arrangement of equipment and associated hoses shown in the illustration, what statement is true? Illustration GS-RA-58 #104 A reciprocating refrigeration compressor may be tested for leaking discharge valves by stopping the compressor, turning the discharge service valve all the way in, and then turning the compressor over by hand. If the discharge valves are leaking, the compound gage will show pressures which react in which way? #105 Leaking suction valves in a refrigeration compressor are indicated by which of the following?