My thinking is we are not reading an actual sub-cooling, more sort of an average of the stuff bouncing around in there. Some of it is sub-cooled, some of it is superheated, it is all shooting through the line so fast it does not have time to make a perfect mix/equilibrium.
Originally Posted by ryan1088
Theoretically, 2 degrees subcooling would be a comfortable slight overcharge for a TXV to provide 100% liquid to the TXV, but in actual field operating conditions you will need 18 on a typical RTU. Below 16, bubbles.
"You boys are really making this thing harder than it has to be". Me
"I say we just nuke them from space, that is the only way to be sure". Winch from ALIENS, forgot her name.
Service calls submitted after 3PM will be posted the next business day.
I give free estimates [Wild Ass Guesses] over the phone.
My front door is locked. For your personal protection.