Um... I am a nooB, but I think what Noon was asking was: A large capacity
system takes longer to pump down, and longer to leak up than a small system.
So, if you use the same time for all systems, aren't you compromising the
completeness of evacuation, and sort of gambling on the rise test?
What if this were some 50-ton chiller? Would the 30/15 regimen be enough?
Being biggest is not necessarily being the best.
You can have the all of the best tools and toys, but if you don't use them,
or have the training to use them correctly, its not going to do any good. It
won't do your customers any good either.
What if this were some 50-ton chiller? Would the 30/15 regimen be
original poster is talking about a small home system.
OK... would the you be using the same 30/15 regime on a 2 ton, 10 SEER A/C,
lineset and evap that might need 3 - 4 lbs of refrigerant, and a 4 ton 14
SEER heat pump, lineset, and coil that needs 18 - 20 lbs of refrigerant??
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