Check out expansion valve bulb location... Also installed bypass damper with weight upside down... 4 new drain pans and 2 ceilings in 7 years
Wow that's ugly!
7 years like this? Well evidently it "works". Other than the nuisance ceiling replacement issue, it probably cools great with a 20 degree split!
Nice first post and welcome to the forum. I've gotta go wash my eyes
Wayne's Air Conditioner Analyzer - Efficient Comfort.net
They couldn't get the upstairs below 80. When I left it was 67 ;-)