[Equest-users] No heating load to systems

[Pasha Korber-Gonzalez]

Thanks James.   I do have an additional HW loop pump...but I will take a
look at the thermostat schedule stuff.

Pasha

On Wed, Mar 3, 2010 at 11:01 AM, James Hansen <JHANSEN at ghtltd.com> wrote:

>  You might need to add a hot water loop pump instead of just relying on a
> boiler pump.  See if that affects your heating energy consumption.
>
>
>
> Also, your zones don’t appear to have any thermostat schedules configured.
>
>
>
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> *From:* equest-users-bounces at lists.onebuilding.org [mailto:
> equest-users-bounces at lists.onebuilding.org] *On Behalf Of *Pasha
> Korber-Gonzalez
> *Sent:* Wednesday, March 03, 2010 12:45 PM
> *To:* John Aulbach
> *Cc:* eQUEST Users List
> *Subject:* Re: [Equest-users] No heating load to systems
>
>
>
> Thanks John--I hadn't input the reheat delta t, thinking that it was one of
> those "blank" default auto-calc things....  so by inputting a 30 deg delta,
> that took away the error in the bdl file, but the results are still not
> showing any space heating consumption and yet somehow I have 0.0 hours out
> of throttling range---I thought this had to be too good to be true.
>
>
>
> I've attached the current .pd2 & .inp files I am running.  If you do have
> time to take a quick peak at my inputs...this baseline file is  based on
> Appendix G compliance.  please note my system names do not match the system
> selection I have for baseline case.
>
>
>
> Thanks for your time and attention to give me a hand.
>
>
>
> Pasha
>
> On Wed, Mar 3, 2010 at 10:32 AM, John Aulbach <jra_sac at yahoo.com> wrote:
>
> Pasha:
>
>
>
> Have you specified your Reheat-Delta-T for your zone VAV boxes? Send the
> .INP and .PD2 if you require further help.
>
>
>
>
>
> John R. Aulbach, PE, CEM
>
> Senior Energy Engineer
>  ------------------------------
>
> *Partner** **Energy*
>
> 1990 E. Grand Avenue, El Segundo, CA 90245
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> www.ptrenergy.com | jaulbach at ptrenergy.com <%7C%20jaulbach at ptrenergy.com>
>
>
>
>
>  ------------------------------
>
> *From:* Pasha Korber-Gonzalez <pasha.pkconsulting at gmail.com>
> *To:* eQUEST Users List <equest-users at lists.onebuilding.org>
> *Sent:* Wed, March 3, 2010 9:28:30 AM
> *Subject:* [Equest-users] No heating load to systems
>
>
>
> Hi all,
>
>
>
> I thought I was wrapping up my baseline model and then for some reason I
> discovered that the only heating energy being used is going through the zone
> baseboards.  When I take out the baseboards, the results show a big fat ZERO
> for any space heating energy the DOE2 error shows below.  How can the design
> loads not get passed to the system.  The baseline systems are VAV with
> reheat, but for some reason there is no heat or reheat unless I specify
> pre-heat (which there is none) or baseboards...  any ideas are
> appreciated--because I thought I was closer to finished with this model
> until this issue popped up.
>
>
>
>
> ***ERROR***********************************************************************
>
> Loop: Hot Water Loop has zero design flow.
>
> Check input for consistency, or specify design loads.
>
>
>
>
>
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