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Forums >> Revit Systems >> Technical Support >> Can't make Revit MEP 2013 calculating pipe pressure losses

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Tue, Nov 20, 2012 at 7:04:26 AM | Can't make Revit MEP 2013 calculating pipe pressure losses

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kiril


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Joined: Tue, Nov 20, 2012
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Hi all,

I don't seem to get revit doing pressure loss calculations for me. It says for my systems that "It is not possible to calculate the flow since the flow direction mismatch. Please check flow direction on all equipment in this system." Well, flow directions seem alright to me, obviously there is something I'm missing. I've tried two different very simple systems one containing boiler,circulation pump and 3 FCUs and another one having boiler, circulation pump, two sets of distribution manifolds and four radiators. Please check attached file and see if you can get what I'm doing wrong. For the time being I don't care much about accuracy in calculations I just want to deal with flow directions issue.

Thanks in advanceSmile

link for download

http://www.2shared.com/file/FlyelKzc/Test_Pressure_Loss_Calculation.html


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