During an AC performance test, an R-134a air conditioning system has a measured center duct outlet temperature of 41 degrees F. The manifold gage set shows low side pressure between 21-35 psi. The high side pressure ranges from 175-210psi. Intermittantly, the duct outlet temperature will rise to 60 degrees F and the low side gage show a vacuum when this happens. Shop Temperature is 72 degrees F. What is most likely the cause?
a. The system contains moisture causing a restriction in the TXV
b. The system contains air with the refrigerant
c. The TXV is defective and allowing too much refrigerant to flow
d. The system is operating normally
A. The system contains moisture causing a restriction in the TXV
You might also like to view...
What is 1,700 x 21,000? Give your answer in scientific notation.
What will be an ideal response?
Australia and New Zealand export the most wool to the United States
Indicate whether the statement is true or false
Connecting rod bearings receive oil after it passes through the crankshaft through small passages that are fed through the main bearings.
Answer the following statement true (T) or false (F)
The technician should study the suppply and return air ductwork through the system.
Answer the following statement true (T) or false (F)