[Equest-users] % LOAD ATTRIBUTED TO OA DELIVERY

[Keith Swartz]

Mark,

Look at the differences between values in reports LS-D and SS-D. SS-D includes ventilation. LS-D does not. (The first letter "S" stands for "system." "L" is for "load," the load in the space.)

Keith Swartz, PE | Senior Energy Engineer
Seventhwave | Madison.Chicago.Minneapolis
608.210.7123 seventhwave.org

From: Shaun Martin [mailto:smartin at shaunmartinconsulting.com]
Sent: Friday, October 09, 2015 12:13 PM
To: 'Mark Hallman' <Mark.Hallman at rwdi.com>; 'Bishop, Bill' <bbishop at pathfinder-ea.com>; equest-users at lists.onebuilding.org
Subject: Re: [Equest-users] % LOAD ATTRIBUTED TO OA DELIVERY

Hi Mark,

You can use hourly reports to pull out the outside air volume (variable PO) plus the supply and return volumes and temperatures. Then off to a spreadsheet.

Or, if you're feeling ambitious, you could write an input function (see Topics).

Shaun

Shaun Martin LEED-AP, BEMP
Principal
Shaun Martin Consulting
#90 - 425 Carrall Street
Vancouver, BC  V6B 6E3
p. 604-789-1095




From: Equest-users [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Mark Hallman
Sent: Wednesday, October 7, 2015 7:59 PM
To: 'Bishop, Bill' <bbishop at pathfinder-ea.com<mailto:bbishop at pathfinder-ea.com>>; 'equest-users at lists.onebuilding.org' <equest-users at lists.onebuilding.org<mailto:equest-users at lists.onebuilding.org>>
Subject: Re: [Equest-users] % LOAD ATTRIBUTED TO OA DELIVERY

Thanks Bill, nice tip.  Any way of parsing it out without running two simulations?

Tx!
Mark.

mark hallman
p.eng. leed ap bd&c
project engineer

mdh at rwdi.com<mailto:mdh at rwdi.com>
519 823 1311 x2494
RWDI:  the science of buildings, structures & the environment.  See what we do HERE<http://www.rwdi.com/#!services3/c1h0m>.

From: Bishop, Bill [mailto:bbishop at pathfinder-ea.com]
Sent: Wednesday, October 07, 2015 11:12
To: Mark Hallman; 'equest-users at lists.onebuilding.org'
Subject: RE: % LOAD ATTRIBUTED TO OA DELIVERY

One way would be to create a MIN-AIR-SCH with all hourly values set to 0 (or 0.001 to activate economizer), apply it to all SYSTEMs and use the difference in the outputs.

Regards,
~Bill

William Bishop, PE, BEMP, BEAP, CEM, LEED AP | Pathfinder Engineers & Architects LLP
Senior Energy Engineer

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134 South Fitzhugh Street                 Rochester, NY 14608

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/>

[http://png-5.findicons.com/files/icons/977/rrze/720/globe.png]Carbon Fee and Dividend - simple, effective, and market-based.



From: Equest-users [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Mark Hallman
Sent: Wednesday, October 07, 2015 10:59 AM
To: 'equest-users at lists.onebuilding.org' <equest-users at lists.onebuilding.org<mailto:equest-users at lists.onebuilding.org>>
Subject: [Equest-users] % LOAD ATTRIBUTED TO OA DELIVERY

Hi there,

Is there a way to accurately parse out from the eQUEST output file the percentage of the cooling and heating load that is attributed to OA delivery?   Any advice would be appreciated.

Thanks in advance!
Mark Hallman.




mark hallman
p.eng. leed ap bd&c
project engineer

mdh at rwdi.com<mailto:mdh at rwdi.com>
519 823 1311 x2494
RWDI:  the science of buildings, structures & the environment.  See what we do HERE<http://www.rwdi.com/#!services3/c1h0m>.

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