[Equest-users] ASHRAE Answer to 22 W/Gal Primary-Secondary Pump Question

[Jason Glazer]

The ASHRAE web site has a form:

http://www.ashrae.org/technology/page/1833

On 12/1/2010 1:28 PM, Paul Diglio wrote:
> Jason:
>
> Thank you for the information. How does one go about getting
> a formal interpretation?
>
> Paul Diglio
>
> ------------------------------------------------------------
> *From:* Jason Glazer <jglazer at gard.com>
> *To:* equest-users at lists.onebuilding.org
> *Sent:* Wed, December 1, 2010 12:47:43 PM
> *Subject:* Re: [Equest-users] ASHRAE Answer to 22 W/Gal
> Primary-Secondary Pump Question
>
> Paul,
>
> Be aware that your request and my response (which ASHRAE's
> Hammerling forwarded to you) was considered an "unofficial
> interpretation".
>
> Here is a note that I have included on unofficial
> interpretations in the past:
>
> "NOTE: An unofficial or personal interpretation is a written
> explanation of the meaning of a specific provision of a
> standard or guideline in response to a written request.
> While every effort has been made to ensure its accuracy and
> reliability, it is advisory and provided for informational
> purposes only, and in many cases represents only one
> person’s view. It is not intended and should not be relied
> on as an official statement of ASHRAE."
>
> A formal interpretation request to ASHRAE 90.1 takes much
> longer and is voted on by the committee.
>
> So please don't consider my quick note as "ASHRAE's Answer".
>
> Jason
>
> On 12/1/2010 11:22 AM, Paul Diglio wrote:
>  > FYI
>  >
>  > ----- Forwarded Message ----
>  > *From:* "Hammerling, Steve"
>  > *To:* "paul.diglio at sbcglobal.net
> <mailto:paul.diglio at sbcglobal.net>"
> <paul.diglio at sbcglobal.net <mailto:paul.diglio at sbcglobal.net>>
>  > *Sent:* Wed, December 1, 2010 9:05:08 AM
>  > *Subject:* FW: 90.1-2007 G3.1.3.10 Question
>  >
>  > Mr. Diglio,
>  >
>  > I received a reply from the chair of the subcommittee that
>  > authored Appendix G. He notes the following:
>  >
>  > */I have always interpreted that as 22 W/gpm for the entire
>  > pumping system so if multiple pumps are used they need to
>  > add up to 22 W/gpm. It is up to the modeler to decide how to
>  > split the 22 W/gpm up./*
>  >
>  > I hope this information is useful to you.
>  >
>  > Sincerely
>  >
>  > Steve Hammerling
>  >
>  > Technical Services Engineer
>  >
>  > > *From:*Paul Diglio [mailto:paul.diglio at sbcglobal.net
> <mailto:paul.diglio at sbcglobal.net>]
>  >
>  > > *Sent:* Wednesday, November 17, 2010 10:15 AM
>  >
>  > > *To:* ASHRAE (Internet Email)
>  >
>  > > *Subject:* 90.1-2007 G3.1.3.10 Question
>  >
>  > >
>  >
>  > > Dear Sir or Madam:
>  >
>  > >
>  >
>  > > I have a question concerning the pumping power requirement
>  >
>  > > in the above section.
>  >
>  > >
>  >
>  > > For a primary-secondary loop design, does the 22w/gpm
>  >
>  > > include both pumps or is it 22w/gpm per pump?
>  >
>  > >
>  >
>  > > Thank you,
>  >
>  > >
>  >
>  > > Paul Diglio
>  >
>  > > 203-415-0082
>  >
>  > >
>  >
>  >
>  > ------------------------------------------------------------
>  > Steve Hammerling, Assistant Manager of Research & Technical
>  > Services
>  > American Society of Heating, Refrigerating and
>  > Air-Conditioning Engineers, Inc
>  > 1791 Tullie Cir. Atlanta, GA 30329
>  > Direct Line: 678-539-1158 Fax: 678-539-2158 eMail:
>  > shammerling at ashrae.org <mailto:shammerling at ashrae.org>
> Web: www.ASHRAE.org <http://www.ASHRAE.org>
>>  <http://www.ashrae.org/>
>  >
>  > Don’t gamble when it comes to sustainable building. Attend
>  > ASHRAE’s 2011 Winter Conference in Las Vegas to learn more.
>  >
>  > **
>  >
>  > PPlease consider the environment before printing this e-mail.
>  >
>  >
>  >
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> --
> Jason Glazer, P.E., GARD Analytics, 90.1 ECB chair
> Admin for onebuilding.org <http://onebuilding.org> building
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-- 
Jason Glazer, P.E., GARD Analytics, 90.1 ECB chair
Admin for onebuilding.org building performance mailing lists