[Equest-users] eQUEST fan power reporting

Bishop, Bill bbishop at pathfinder-ea.com
Mon Dec 23 09:13:04 PST 2013


I believe there are a couple things going on. First, PS-E reports the actual coincident peak fan power, while the HVAC Summary csv gives design values. Second, added static pressure from ERV is not included in the HVAC Summary csv, but is reflected in PS-E.
~Bill

From: Christian Stalberg [mailto:christian at naturalintelligence.us]
Sent: Monday, December 23, 2013 11:53 AM
To: Bishop, Bill; equest-users at lists.onebuilding.org
Subject: RE: [Equest-users] eQUEST fan power reporting


Bill,



Sorry! I meant to say that the MAX KW reported for Vent Fans in the PS-E Energy End-Use Summary for all Electric Meters report is different than the supply and return energy usage reported under Fan Summary in the HVAC Summary csv report. What is that/what would explain the difference?

Thanks!
_
Christian Stalberg
Natural Intelligence, LLC
http://naturalintelligence.us
Tel. 415.531.4610

From: Bishop, Bill [mailto:bbishop at pathfinder-ea.com]
Sent: Monday, December 23, 2013 11:44 AM
To: Christian Stalberg; equest-users at lists.onebuilding.org<mailto:equest-users at lists.onebuilding.org>
Subject: RE: [Equest-users] eQUEST fan power reporting

Christian,
Maybe we're looking at different reports, but the Fan Summary section of the HVAC Summary report only shows power (kW) in my reports, while BEPU shows energy (kWh).
Regards,
Bill

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

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From: equest-users-bounces at lists.onebuilding.org<mailto:equest-users-bounces at lists.onebuilding.org> [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Christian Stalberg
Sent: Monday, December 23, 2013 10:58 AM
To: equest-users at lists.onebuilding.org<mailto:equest-users at lists.onebuilding.org>
Subject: [Equest-users] eQUEST fan power reporting

Can anyone explain to me why the vent fans electric usage in the BEPU report and the supply and return energy usage under Fan Summary in the HVAC Summary csv report are different?

For a VAV system with PFP boxes I am assuming the zone fan data is not included in the HVAC Summary csv report. This data is reported in the SIM SV-B report.

Thanks in advance.
_
Christian Stalberg
Natural Intelligence, LLC
http://naturalintelligence.us
Tel. 415.531.4610
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