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York YZE02411 Heat pump to a Miller Furnace
I had an opportunity to buy a last year model York heat pump, at a deep discount form a local HVAC contractor. At the time of purchase both of us believed (well convinced ourselves) that an evaporator could be matched to my new Miller M7 gas furnace. Well no such luck, as I was unable to find a ARI match. So now I need some options and/or ideas on what would work the "best".
The heat pump is a York YZE02411MXA Affinity 8T series, the Furnace is a Miller M7 High efficiency gas down flow furnace. I am an experienced HVAC installer, some time ago, but matching up systems was not part of the job. I also understand that I may not achieve full SEER rated efficiency.
The way I see it I have two options:
York H/P, w/required York TEV, and York evap hp/ac coil.
or
York H/P, w/required York TEV, and Miller evap hp/ac coil.
Does anybody have other suggestions that might work?
Thanks
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You will never find a cross brand rating. Pick the evap that fits the application and is an approved match with that outdoor unit. How are you going to handle slowing the blower for low stage?
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Does your miller furnace have a VS blower?
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 Originally Posted by beenthere
Does your miller furnace have a VS blower?
Yes it does, low 900, med low 1185, med high1355, High 1580 CFM.
Last edited by Hoverfly; 08-07-2012 at 06:18 PM.
Reason: RMP to CFM
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 Originally Posted by Hoverfly
Yes it does, low 900, med low 1185, med high1355, High 1580 CFM.
Is it a VS blower, or a multi speed blower?
In first stage, if your blower isn't VS, it won't dehumidify, and in heat mode, it will be very cool air coming out.
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 Originally Posted by beenthere
Is it a VS blower, or a multi speed blower?
In first stage, if your blower isn't VS, it won't dehumidify, and in heat mode, it will be very cool air coming out.
Good point, it's muti speed not VS. I know that Miller does have a heat pump option for their furnace. I will look into that.
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Ya, 2 stage on a multi speed doesn't work as well as 2 stage on a VS blower.
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