So the original question was about the pairing mismatch..
Which is why might post on air flow. Its part of the matching.
In generic terms. Air flow is set up to the outdoor unit. Since its what does the actual work.
But. In reality. You should set it up to what your house needs. Not just some arbitrary CFM based on a nominal tonnage rating on the units.
If your homes calls for a .7 shr. Then the CFM should be set up to achieve that shr(which could require 320CFM per ton, on your system).
If it calls for a .76 shr, then CFM should be set to for that( which could be 400CFM per ton on your set up).
It suppose to be set up for the match up of the system. A 3 ton indoor coil, on a 2.5 ton outdoor unit. Is still just a 2.5 ton system.
I could put a 5 ton indoor coil on a 2.5 ton unit. It would still only be a 2.5 ton system.