[Equest-users] Hourly space temperature after cooling

Tue Mar 26 08:37:53 PDT 2019

Good for you! But now my OCD is triggered.

To repeat the question if anyone is just looking at this email:

Does anyone happen to know the computational definition of an unmet hour
for eQUEST? Especially as stated:

*i.e DOE2 will mark an Unmet hour if a zone is: Outside the throttling
range? How many degrees outside range (.1, 1 etc)? Plus Occupied? Plus Coil
capacities are exceeded? Plus Any other conditions?*
I guess I can dig for it, but it's likely one of you knows this officially,

Bob
Energy-models.com
Simulate.Energy
ᐧ

On Tue, Mar 26, 2019 at 10:28 AM Integral Mechanical Engineering Designs
via Equest-users <equest-users at lists.onebuilding.org> wrote:

> Hello,
>
> Thank you for all your answers. There have been really helpful, and the
> problem was that I had 90 °F in the day schedules within the S1 Sys1 (PSZ)
> Cool SCH (different value as mentioned by Bill). The solution was to
> correct the value to 75 °F, and now the unmet hours match with the SS-O
> report.
>
> Kind Regards,
>
> Paul Caicedo
>
> Mechanical Engineering Consultant
>
>
>
> *IntegralMECH*
> ------------------------------
> *From:* Bishop, Bill <bbishop at pathfinder-ea.com>
> *Sent:* March 25, 2019 7:27 AM
> *To:* Integral Mechanical Engineering Designs; David Eldridge
> *Cc:* equest-users at lists.onebuilding.org
> *Subject:* RE: Hourly space temperature after cooling
>
>
> Hi Paul,
>
> The 75 °F input that you shared below for “Indoor Design Temperature” is
> the DESIGN-COOL-T which is used for sizing calculations (and is optional
> when using DOE-2.3). The hourly thermostat setpoint is part of the
> thermostat schedule so you need to look at the day schedules within the S1
> Sys1 (PSZ) Cool Sch.
>
> Regards,
>
> ~Bill
>
>
>
> *William Bishop, PE, BEMP, BEAP, CEM, LEED AP*
>
> *Senior Energy Engineer*
>
>
>
> [image: Pathfinder-EA-logo-2]*T: (585) 698-1956*                        F:
> (585) 325-6005
>
> bbishop at pathfinder-ea.com <wbishop at pathfinder-ea.com>
> www.pathfinder-ea.com
>
> 134 South Fitzhugh Street
>
> Rochester, NY 14608                       *Ask me why Carbon Fee &
> Dividend may be right for you.*
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>
>
> *From:* Equest-users <equest-users-bounces at lists.onebuilding.org> *On
> Behalf Of *Integral Mechanical Engineering Designs via Equest-users
> *Sent:* Saturday, March 23, 2019 2:34 PM
> *To:* David Eldridge <DEldridge at grummanbutkus.com>;
> equest-users at lists.onebuilding.org
> *Subject:* Re: [Equest-users] Hourly space temperature after cooling
>
>
>
> Hi David,
>
>
>
> Thanks for the answer. I don´t think that explain the data because the
> system is working most of the time during the year, and a note in the SS-O
> report shows that the temperature counts are made only for the hours when
> the fans are on. The cooling schedule matches with the  occupancy schedule.
>
> The set point is 75 °F and the throttle range is 2 °R.
>
> The BEPS report shows that are 155 unmet hours, but the SS-O report gives
> a value of at least 2505 (adding from 80-85 and above 85).
>
>
>
> Kind Regards,
>
> Paul Caicedo
>
> Mechanical Engineering Consultant
>
>
>
> *IntegralMECH*
>
>
>
> *From:* David Eldridge <DEldridge at grummanbutkus.com>
> *Sent:* March 22, 2019 9:29 AM
> *To:* Integral Mechanical Engineering Designs
> *Subject:* RE: Hourly space temperatura after cooling
>
>
>
> That SS-O report should be after cooling (it’s a “system” report), but it
> may include some hours when the control system is in setback – it’s not
> only for occupied hours, would that explain your data?
>
>
>
> There is a separate module for report variables that you can specify to
> document any number of internal calculations, including one or more space
> temperatures – it’s been a while since I set one of those up but if you
> search this community for “report variables” some instructions should pop
> up.
>
>
>
> These can then also be exported to excel, or printed in the *.sim report.
>
>
>
> David
>
>
>
>
>
> *David S. Eldridge, Jr., P.E., LEED AP BD+C, BEMP, BEAP, HBDP*
>
> Associate
>
>
>
> Direct: (847) 316-9224 | Mobile: (773) 490-5038
>
>
>
> *Grumman/Butkus Associates* | 820 Davis Street, Suite 300 | Evanston, IL
> 60201
>
> Energy Efficiency Consultants and Sustainable Design Engineers
>
>
>
> *grummanbutkus.com <http://grummanbutkus.com/>* | *Blog
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>
> *From:* Equest-users [mailto:equest-users-bounces at lists.onebuilding.org
> <equest-users-bounces at lists.onebuilding.org>] *On Behalf Of *Integral
> Mechanical Engineering Designs via Equest-users
> *Sent:* Friday, March 22, 2019 8:51 AM
> *To:* equest-users at lists.onebuilding.org
> *Subject:* [Equest-users] Hourly space temperatura after cooling
>
>
>
> Hi all,
>
>
>
> If I open the BEPS Building Energy Performance, there are 155 unmet hours.
> I would like to get the temperature values throughout the year after
> cooling, but the only related option that I can see is the SS-O Space
> Temperature Summary where the temperatures above the set point are much
> more than the unmet hours. It seems that is the report of the space before
> cooling.
>
>
>
> How could I get the space temperature after cooling to have relation with
> the unmet hours?
>
>
>
> Kind Regards,
>
> Paul Caicedo
>
> Mechanical Engineering Consultant
>
>
>
> *IntegralMECH*
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