[BLDG-SIM] Mysterious space heating load spikes - RESOLVED
Randy Wilkinson
randy at hvacware.net
Wed Feb 14 16:58:54 PST 2007
Thanks to all,
Brody and at least one other suggested using a larger GSHP ground loop.
That fixed it. Thanks for your help.
Randy
Brody Wilson wrote:
> Randal,
> I just ran into this issue myself, it looks like the temperature
> alarms on your GSHP Water loop are alarming and shutting off your
> equipment, then the loop returns to non alarm temps, then the
> equipment cycles back on, etc.
> It looks like you're alarming on both the high and low sides, so I'm
> guessing that whatever heat source or heat sink you have are too
> small. If you have a ground source heat exchanger make it bigger and
> see if that fixes it.
>
> Let me know if that's it.
> --
> Brody Wilson
>
> Phone: 314.644.2629
> Fax: 314.644.0691
> Mobil: 314.651.8319
>
> Energy Solutions Inc.
> P.O. Box 300354
>
> St. Louis, MO 63130
>
> brody at energysolutions-stl.com <mailto:brody at energysolutions-stl.com>
>
> www.energysolutions-stl.com <http://www.energysolutions-stl.com>
>
>
>
>
> On 2/9/07, *Randy Wilkinson* <randy at hvacware.net
> <mailto:randy at hvacware.net>> wrote:
>
> Hi All,
>
> Our eQuest model has very strange looking spikes
> <http://www.lseng.com/%7Erandyw/stegasaurus.pdf> in the space
> heating load profile. We can't figure out why they would be
> there. I put a PDF of the Monthly Electric Peak Load Profile on
> my web page <http://www.lseng.com/%7Erandyw/>. The is also a PDF
> of the complete simulation output
> <http://www.lseng.com/%7Erandyw/simulationoutput.pdf> if that
> helps. We did a sanity check of inputs...it still looks insane.
> This model was done all with DD wizard inputs. Anybody got any
> ideas? TIA.
>
> http://www.lseng.com/~randyw/ <http://www.lseng.com/%7Erandyw/>
> http://www.lseng.com/~randyw/stegasaurus.pdf
> <http://www.lseng.com/%7Erandyw/stegasaurus.pdf>
> http://www.lseng.com/~randyw/simulationoutput.pdf
> <http://www.lseng.com/%7Erandyw/simulationoutput.pdf>
>
> Randy
> --
> Randall C. Wilkinson
> L&S Engineering
> Spokane, WA
>
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