Quote:
Originally Posted by Rawknees'Turbo
About using the quick release fittings - my manifold set with quick release ends is for R134 fittings (I also installed a micron vac gauge on the manifold, using a t-adapter, as that is what the instructions for my Mitsubishi specified), and I found that the service port fittings on the mini split are the same as R12 fittings, so I simply used an R12-to-R134 quick release conversion adapter (that adapter has a rod in it that depresses the service port manifold valve core when the quick release hose end's knob is turned). That worked perfectly (I tested it with both vacuum and pressure before using it in earnest). I hope that jibber jabber makes sense.
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Yes, it does, thanks!
Hmm, my gauge set has quick release fittings and came with quick release adapters. Tmrw I will try to figure them out.
I’ve ordered an adapter that is a valve core remover and has a shut off valve too. I think that will let me vacuum the lines more effectively without the core in place, and avoid losing vacuum when disconnecting the vacuum pump hose. And maybe the Schraeder valve adapter I’m using isn’t sealing correctly to the service port . . . kinda grasping at straws here.
I am also getting some “FlareSeal” sets, in case it turns out I just suck at making tight flares.