[Equest-users] Hourly space temperature after cooling

Mon Mar 25 13:35:07 PDT 2019

Paul, others,

Being an old DOE-2 user, I would recommend getting the hourly reports for zone 
temperature, setpoint temperature,  and cooling load, and then aggregating these by hour 
of day and month, i.e., get 12 average hourly profiles by month, which would tell you 
what's going on. I don't know if there's an hourly report variable for unmet load, but it 
should be detectable as hours where the zone temperature exceeds the setpoint 
temperature.  I know how to set up hourly reports in DOE-2, but  don't know how can be 
done in eQUEST.

Joe

Joe Huang
White Box Technologies, Inc.
346 Rheem Blvd., Suite 205A
Moraga CA 94556
yjhuang at whiteboxtechnologies.com
http://weather.whiteboxtechnologies.com for simulation-ready weather data
(o) (925)388-0265
(c) (510)928-2683
"building energy simulations at your fingertips"

On 3/25/2019 6:27 AM, Bishop, Bill via Equest-users wrote:
>
> 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*
>
> **
>
> Pathfinder-EA-logo-2*/T: (585) 698-1956/**//*F: (585) 325-6005
>
> bbishop at pathfinder-ea.com <mailto:wbishop at pathfinder-ea.com>www.pathfinder-ea.com 
> <http://www.pathfinder-ea.com/>
>
> 134 South Fitzhugh Street
>
> Rochester, NY 14608 /Ask me why Carbon Fee & Dividend may be right for you./
>
> *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 <mailto: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 <http://grummanbutkus.com/blog>_ 
> | _Facebook <https://www.facebook.com/pages/GrummanButkus-Associates/1385285015032526>_ 
> | _Twitter <https://twitter.com/grummanbutkus>_
>
> *From:* Equest-users [mailto: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 <mailto: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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