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We had a female working with us two year ago. She didn't know much about hvac/refrigeration but we took her along and help her out. She spended most of the day in the office doing paperwork, ebay and...

Sorry my brother, can't help you out.
Have no clues of what ya talkin'bout..

Hey give them a break, people needs a/c and contractor needs money. Can't put the dam thing on the roof, too much work, cost more and less profit. Stick the dam thing anywhere, colleect your money...

D-TEK leakdetector run about $350

i think this is a cap tube system.
if it is loside should be around 18 to 20 psi and high side 170 to 180 depending on ambient.

Try R414b(HotShot). You don't need to change out the txv. Really good stuff, I've been using it for five year now. It work great perfect replacement for all the other R12 replacement.

i ran into this type of problem b4. Tyler freezer w/remote condensing unit keep shutting down on oil pressure. turn out to be the float inside the oil seperator

i use it for a yes or no answer. condensing unit running or not running? other than that it just bull****ting.

you just looking at your OT. charge it at 80% of your R12. head pressure will be a litte higher, but 409a work ok.

story too long dude

you got an air sensing t-stat and a pumpdown system i understand. if your t-stat are ever satisfied you could adjust your low pressure control to cut-in a little higher(60psi to 68psi but check your...