Michigan WF7 - Zone sizing

Discussion in 'General Discussions' started by vortrex, Oct 24, 2018.

  1. vortrex

    vortrex New Member

    I have a WF7 with two zones. One zone for the first floor and one zone for the second floor. The floor plan is completely open from first floor to second floor with high vaulted ceilings. The upstairs zone does not work nearly as hard as the downstairs zone since all this heat rises. Sometimes the upstairs zone is doing nothing. Question is, what should the zone sizing be? The installer set it at 70/70. Since I think this translates to 50% down and 50% up it seems like I am losing out on some additional heating power for the first floor? Would 70/45 or 70/20 make more sense? Maybe I am completely misunderstanding the zone sizing setting...
     

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