[Bldg-sim] economiser for climate zone 1

Jim Dirkes jim at buildingperformanceteam.com
Thu Jun 13 04:09:14 PDT 2013


Correct.

James V Dirkes II, PE, BEMP, LEED AP
www.buildingperformanceteam.com<http://www.buildingperformanceteam.com/>
Energy Analysis, Commissioning & Training Services
1631 Acacia Drive, Grand Rapids, MI 49504 USA
616 450 8653

From: Chris Yates [mailto:chris.malcolm.yates at gmail.com]
Sent: Thursday, June 13, 2013 7:08 AM
To: Jim Dirkes
Cc: bldg-sim at lists.onebuilding.org
Subject: Re: [Bldg-sim] economiser for climate zone 1

Thanks Jim,

So your understanding is that a mixing box still exists, but the control that varies outdoor air rate doesn't exist. It is in effect a fixed outdoor air rate.

??

Many thanks

Chris
On Thu, Jun 13, 2013 at 11:48 AM, Jim Dirkes <jim at buildingperformanceteam.com<mailto:jim at buildingperformanceteam.com>> wrote:
Chris,
More warm weather  = less available cooling from outdoor air = less justification for spending money to install economizer controls.
p.s., You must provide minimum outdoor air for ventilation, but need not also cool with outdoor air

James V Dirkes II, PE, BEMP, LEED AP
www.buildingperformanceteam.com<http://www.buildingperformanceteam.com/>
Energy Analysis, Commissioning & Training Services
1631 Acacia Drive, Grand Rapids, MI 49504 USA
616 450 8653<tel:616%20450%208653>

From: bldg-sim-bounces at lists.onebuilding.org<mailto:bldg-sim-bounces at lists.onebuilding.org> [mailto:bldg-sim-bounces at lists.onebuilding.org<mailto:bldg-sim-bounces at lists.onebuilding.org>] On Behalf Of Chris Yates
Sent: Thursday, June 13, 2013 6:36 AM
To: bldg-sim at lists.onebuilding.org<mailto:bldg-sim at lists.onebuilding.org>
Subject: [Bldg-sim] economiser for climate zone 1

Is it just me, or is does it seem terrifically wasteful that a climate 1 building doesn't require an economiser? Or am I missing something?

KR / Chris

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