Originally posted by frozensolid Thanks Dave. After asking the question, I figured when all else fails read the instructions.
It's amazing how much the people that make this stuff know.
It's also amazing how much they find out the hard way.
Yeah, it kinda takes me back to my days with D/B.
They used to use a temperature piloted liquid injection valve for low temp R22 back in the sixties (pre-R502) and when the bright metallic blue heads turned a dull silver you knew that the liquid injection had crapped.