If your unit is old enough to use dichlorodifluoromethane as opposed to Chlorodifluoromethane (or a blend of difluoromethane + pentafluoroethane) then it should have been scrapped 20+ years ago.
Originally Posted by Senior Tech
I've discovered a natural law - everything gets progressively worse. Things only break down and become depleted. Life isn't worth living and everything is going to hell.
Death is the messiah. Everything else is irrelevant and arbitrary.