>I suspect the unit might be usable if you run its primary output
>through a resistor and then parallel the secondary output
>direct.  That could depend on how it's wired internally, but on the
>face of it I think it would work.

On second look, when you turn the A/C on this controller runs both
fans at full speed (the second output is just an on/off signal to an
external relay).  I think most people would not want that monster
running at full speed any time they're using the A/C...

Yours,
David