[Equest-users] Excessive pumping power consumption

[Javed Iqbal]

Yes, All the chilled water loop operation is on demand. As such there is no
heating so all the problem is on chilled water pump.

Thanks!!


On Tue, Dec 3, 2013 at 4:01 PM, John Aulbach <jra_sac at yahoo.com> wrote:

> Javel:
>
> Did you put the entity (chiller, boiler) that the pump is serving on
> DEMAND? Otherwise, the pump will never stop.
>
> John R. Aulbach, PE
>
>   *From:* Javed Iqbal <eee.javed at gmail.com>
> *To:* equest-users <equest-users at lists.onebuilding.org>
> *Sent:* Tuesday, December 3, 2013 12:58 PM
> *Subject:* [Equest-users] Excessive pumping power consumption
>
>  Dear All,
>
> I'm simulating a large commercial building for LEED compliance. There i
> am facing a major issue in pumping power annual consumption. The proposed
> case pumping power is almost 7 times higher than the ASHRAE baseline case
> which  has great impact on my overall anticipated savings. I've generated
> hourly report to see the pump operations power and found propose case pump
> is running all year round whereas baseline is running as per building
> operating hours. I've thoroughly checked all the schedules assigned and it
> seems fine to me. My gut feeling is there is some load which is driving the
> pump to run throughout the year. I would appreciate if someone can give
> expert advice to troubleshoot this.
>
>
> Thanks in Advance!!
>
> --
>
>
> Javed Iqbal, LEED AP, CEA
> Sr. Energy Analyst
>
>
>
>
>
>
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>


-- 


Javed Iqbal, LEED AP, CEA
Sr. Energy Analyst
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