Which of the following conditions will occur if the power element of the thermostatic expansion valve shown in the illustration loses its charge? Illustration GS-RA-07

Illustration GS-RA-07: the U.S. Coast Guard has not released this illustration.

Question

Which of the following conditions will occur if the power element of the thermostatic expansion valve shown in the illustration loses its charge? Illustration GS-RA-07

Illustration GS-RA-07: the U.S. Coast Guard has not released this illustration.

Accepted Answer

Option D: The valve will fail closed, providing no cooling capacity.. Loss of thermal charge in a thermostatic expansion valve's power element removes closing pressure assistance, causing the spring to force the valve fully closed and halt refrigerant flow.