Any air conditioner manufacturing engineers out there? What micron level do you evacuate your units to prior to refrigerant charge in order to "boil off" the moisture? We've polled many of our clients and would like to broaden the scope of our research for our VacuCharge system:

http://www.ecicomplete.com/vacucharge.html

So far it appears that the average is 200-400 microns.

eciguy
http://www.ecicomplete.com