Quote:
Originally Posted by Matt L
Unless you can charge the system with oxygen-free nitrogen, leave the dryer disconnected and capped until you are ready to pull a vacuum. It comes charged with nitrogen. ANY exposure to air is too long.
How do you know that you got too much water in the dryer? You find out years later when the acid formed eats through your evaporator.
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BS a good vacuum will pull that little bit of moisture back out. if it really bothered you you could put a heat gun on the dryer for a few seconds while pulling a vacuum
and i have never seen one charged with nitrogen. infact, i have never seen one with caps tight enough to hold a charge.