okay marty, so you have two mediums, of mixed comb and undrawn foundation. you would like to get these in deeps, would like to do a divide, and would like to make some honey?
first, like apis said, anytime bees have to draw comb from foundation, this will take away from honey production. especially if we do not have drawn comb available. so if you want to get your bees into deeps, do you have drawn foundation available for the deeps? if not, bees will need to draw this out whether it be a deep or two deeps or a medium, and will affect any honey harvest.
what i would do if i desired my bees in deeps is to do as perry suggested, put the deep on top your two mediums, and with undrawn foundation FEED syrup, and don't stop feeding syrup until the frames are fully drawn. your queen will move up and lay as soon as the bees have prepared the cells enough to do so. when that is drawn add the second and again feed and don't stop feeding syrup until the combs are drawn in the 2nd deep. you can remove the mediums underneath as soon as these become empty. if you are concerned about brood below in the mediums, you could place a queen excluder on to prevent her from returning, the bees will take care of the brood, and when all is hatched, then remove the medium/s and the excluder.
if you do as apis suggested, using a deep and a medium for brood, and a medium for honey, don't move the mediums out to set on top of the deep of empty foundation, until the deep is fully drawn and the queen is laying in it. so what i am saying is don't separate the brood that is in a medium below a deep of undrawn foundation. you are apt to lose bees and brood if you hit a cold snap.
hope i made sense?
