hi, sorry this is a txv system and also a walkin freezer the site glass is 3quarters full not half also i did not get superheat because the txv bulb is inside freezer and notany line left too get a reading on unless i go on outside of unit, also i realised that i charged at the receiver and took readings my gauges were still on receiver i will take new readings and let you know, thanks ken this is what happens when i am pushed but co does not seem to understand unless their in the same shoes but their not go figure thanks ken