I don't. AC air handler is hard to access (attic), but perhaps at some
point I'll rewire. Note though, that that solution was tried in the
Youtube video linked upstream without success.
Lots of good info in the replies. We had ours wired as follows:Gas
boiler - RhW1CHigh flow AC system - RcY1GProblematically, the unit would
not charge on the wall (but did via USB). A brand new replacement device
showed the same error (though we did ...
