Good point lilliput1...re-circ would probably be a good way of controlling humidity.
Actually, I'm not designing this system...it's a design that is being used by some consulting engineers in my area on large heat pump applications. I am interested in knowing why they would opt for this...
I see a lot of discussion online about face & bypass dampers for steam heating coils.
What about face & bypass damper applications for DX cooling? I have seen some designs involving heat pumps calling for this feature in order to control 100% outdoor air applications. Dampers above the...