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[EnergyPlus_Support] Re: Pump causing Heating Unmet hours with increased Energy consumption





The problem resolved as i checked with the designer and he confirmed there are NO Constant Speed pumps; all pumps VSD enabled. 

Thanks,

On Mon, Sep 12, 2016 at 4:00 PM, Javed Iqbal <eee.javed@xxxxxxxxx> wrote:
Dear All,

I am trying to simulate following plant arrangement in an industrial building in climatic zone 5A. However:
  1. When i run the simulation with All VSD pumps then it runs smoothly with NO unmet load hours and relatively better enegry performance
  2. When i run the simulation with two VSD and a constant pump (as shown below) it gives my very high heating unmet hour and energy consumption shoots up 1.3 times. 


Inline image 1

Any insight would be highly appreciated.

Thank you in advance.

--


Javed Iqbal, LEED AP, CEA
Sr. Energy Analyst 








--


Javed Iqbal, LEED AP, CEA
Sr. Energy Analyst 







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Posted by: Javed Iqbal <eee.javed@xxxxxxxxx>


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