Quote Originally Posted by ewart View Post
Yes the Tstat control a liquid line solenoid valve, The fans run non stop, The system have 50psi low side 200 high and no bubles in sigh glass (R22) Could the TXV BE THE PROBLEM????
A TXV problem is possible, but seems unlikely at this point.

When the thermostat reaches setpoint, the solenoid should close and the system should pump down and shut off. Does this happen or does the system keep running?