[Equest-users] Cooling capacity smaller than demand

[Ron Pecarina]

2011/10/25 Raczka, Karina <raczkak at aha-engineers.com>

> I just got a similar error message.****
>
> ** **
>
>
> **WARNING**********************************************************************
> ****
>
>              Loop: DEFAULT-HW                       heating capacity is
> smaller****
>
>              than the secondary demand. Primary= -1605200.****
>
>               Secondary= -2199001.****
>
> ** **
>
> My warning message popped up directly after I altered the pump energy and
> pump flow for my design HW pump (secondary demand).  That means that  I knew
> there was something wrong with my boiler capacity (primary demand). I
> adjusted it to what it should have actually been and the warning message
> disappeared accordingly.****
>
> ** **
>
> I hope the help isn't too delayed for you.****
>
> ** **
>
> *Karina **Rączka*****
>
> LEED**
>
> * *
>
> *A|H|A Consulting Engineers*
>
> * *
>
> 24 Hartwell Ave, Third Floor, Lexington  MA, 02421****
>
> 781-372-3126 (p) : 781-372-3100 (f)****
>
> http://www.aha-engineers.com****
>
> Karina_Raczka at aha-engineers.com****
>
> ** **
>
> ** **
>
> ** **
>
> *From:* equest-users-bounces at lists.onebuilding.org [mailto:
> equest-users-bounces at lists.onebuilding.org] *On Behalf Of *Alex Blue
> *Sent:* Tuesday, October 11, 2011 3:51 PM
> *To:* equest-users at lists.onebuilding.org
> *Subject:* [Equest-users] Cooling capacity smaller than demand****
>
> ** **
>
> I'm getting the following message:****
>
> ** **
>
>
> **WARNING**********************************************************************
> ****
>
>              Loop: Condenser Water Loop             cooling capacity is
> smaller****
>
>              than the secondary demand. Primary=  2500000.****
>
>              Secondary=  3344880.****
>
> ** **
>
> ** **
>
> Can anyone put me on the right track to figuring out where this secondary
> demand number is coming from (or has anyone dealt with this error before)?
> Nothing I'm doing to the building cooling coil capacities or configurations
> seems to change that secondary demand.  ****
>
> ** **
>
> The primary capacity is that of the cooling tower.****
>
> ** **
>
> I do have heat recovery on the attached chiller... maybe something to do
> with that?****
>
> ** **
>
> ** **
>
> ** **
>
> ** **
>
> [image: Alex Blue Email Signature]****
>
> ** **
>
> _______________________________________________
> Equest-users mailing list
> http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org
> To unsubscribe from this mailing list send  a blank message to
> EQUEST-USERS-UNSUBSCRIBE at ONEBUILDING.ORG
>
>


-- 
Ron Pecarina, PE, CEM, LEED-AP
Energy and Sustainable Design Consultants, Inc.
1128 Noblewood Drive
Billings, MT   59101
406-208-0227
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.onebuilding.org/pipermail/equest-users-onebuilding.org/attachments/20111025/1d67544e/attachment-0002.htm>