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[EnergyPlus_Support] Water loops, hydraulic separator, pumps

I have uploaded a schematic representation of the hot water loop that I’m modeling: http://imageshack.us/f/35/mjdw.jpg/

The hydraulic separator can work as a bypass. Since the supplied water is warmer, if the primary and the secondary loops are balanced, the supplied water should remain in the upper part of the hydraulic separator.

I start modeling in DesignBuilder and it seems that I can model such a scheme:


In your opinion, should I change the scheme in EnergyPlus?

I know all the pump heads of P1, P2, P3, and P4. If I maintain the scheme of DesignBuilder, how could I evaluate the equivalent head of the pump? I think that I should know the curve mass flow rate vs hydraulic resistance of the water loop but actually I don’t�

Best Regards


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