Quote Originally Posted by mackking View Post
i understand that when r22 is compressed through an orfice and enters a 70psi condition, is supposed to flash at 40degrees. if i place my temp probe just beyond the indoor orfice to the lines (with the probe wrapped in insulation tape to the line) i get a temp of 54 degrees. why is this? i dont understand why the refrigerant isnt flashing at the correct temp. what could possibly cause it?
High temp liquid exits the metering device and then flashes off to reduce its temp to saturation. The temp in between can be anywhere in between. The correct temp at this point is "whatever it needs to be". So... measuring the flash temp tells you absolutely nothing useful.