Well, the reason for pulling air from the upper to the lower level is to get heat to the lower during the period 7AM to 7PM when the lights are off below. Otherwise I have to add a heater, (again) and the reason I "flip/flopped" the lighting below was to alway's have at least one level with lights on.
Otherwise there was a 6 hour period when ALL lights were off. Too damn difficult and confusing....4 timer's, 5 fan's and a whole lotta headache!