[Equest-users] Equest-users Digest, Vol 9, Issue 9

Lam, Linda linda.lam at wspfk.com
Thu Dec 11 17:30:04 PST 2008
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Kevin:

This is one way of doing it.
Right click in the Frame Conductance field and select "Edit/View User Expression"
Copy and paste the following exactly as it is into the input field(case sensitive):

if(Local("GLASS-TYPE")==SymIndex("SB70XL","WINDOW","GLASS-TYPE"))
   then 2.781
   else 3
 endif

To explain:
"GLASS-TYPE" is a keyword and "WINDOW" is a command.
Local is a function that calls a sister input cell.
SB70XL is the glass type, and can be any name of glazing types you have defined, except a keyword. 
SymIndex returns strings.
Remember everything is case-sensitive!

Numbers should show up pink.
If you type "If statement" in the DOE2 help, there are several good examples.

Good Luck!


Linda Lam, LEEDÂ® AP
WSP Flack + Kurtz
405 Howard Street, Suite 500
San Francisco, CA 94105
Direct: 415.402.5813
Main Tel: 415.398.3833
Fax: 415.433.5311
website: http://www.wspfk.com
vCard: http://vcards.wspfk.com/vcardloader.php?filename=flackkurtz-linda-lam-wspfk-com-1227040073.vcf
image:   

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Sent: Thursday, December 11, 2008 10:26 AM
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Subject: Equest-users Digest, Vol 9, Issue 9

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Today's Topics:

   1. West Coast eQuest training seminars for 2009
      (Michael.D.Affronte at jci.com)
   2. user expression for frame conductance (Kevin Kyte)
   3. Re: user expression for frame conductance (B. Fountain)
   4. Multizone heating question (Marcus Eliason)


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Message: 1
Date: Wed, 10 Dec 2008 13:25:51 -0800
From: Michael.D.Affronte at jci.com
Subject: [Equest-users] West Coast eQuest training seminars for 2009
To: equest-users at lists.onebuilding.org
Message-ID:
	<OFAFDDA670.B39B9D13-ON8825751B.00759C27-8825751B.0075B9EC at jci.com>
Content-Type: text/plain; charset="us-ascii"

Does anyone know of any calendars regarding west coast eQuest training seminars for 2009? (I realize, they may not yet be published, but my guess is some trainers subscribe to this list as well.)

Many thanks...
 

 

Michael D. Affronte
Northwest Regional Project Development Engineer Building Efficiency
 
Johnson Controls
22745 29th Drive S.E., Suite 100
Bothell, WA  98021
Tel : 425-398-6992
Cell : 425-218-7139
Email : michael.d.affronte at jci.com
URL : http://www.johnsoncontrols.com
 

 
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Message: 2
Date: Thu, 11 Dec 2008 07:06:49 -0800
From: Kevin Kyte <kkyte at robsonwoese.com>
Subject: [Equest-users] user expression for frame conductance
To: "equest-users at lists.onebuilding.org"
	<equest-users at lists.onebuilding.org>
Message-ID:
	<223151A8B431374CA2AB2EE28D59261A486367A6E4 at EXVMBX018-11.exch018.msoutlookonline.net>
	
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I have experimented with if statements in equest with little luck.

What I am trying to accomplish is if a certain glass type then frame conductance equals this constant.

Thank you for your thought.s


Kevin Kyte
RobsonWoese, Inc.
716.636.1800 x211


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Message: 3
Date: Thu, 11 Dec 2008 11:51:39 -0500 (EST)
From: "B. Fountain" <bfountain at greensim.com>
Subject: Re: [Equest-users] user expression for frame conductance
To: "Kevin Kyte" <kkyte at robsonwoese.com>
Cc: "equest-users at lists.onebuilding.org"
	<equest-users at lists.onebuilding.org>
Message-ID: <7c8a1a6a14d9c9c91592e7e950a7afe9.squirrel at www.lara.on.ca>
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if(#L("GLASS-TYPE")==#SI ("GT1", "WINDOW", "GLASS-TYPE")) then
  0.4
else
  0.5
endif

Where "GT1" is the specific glass type sought.

> I have experimented with if statements in equest with little luck.
>
> What I am trying to accomplish is if a certain glass type then frame
> conductance equals this constant.
>
> Thank you for your thought.s
>
>
> Kevin Kyte
> RobsonWoese, Inc.
> 716.636.1800 x211
>
>
> ________________________________
> "This message is for the designated recipient only and may contain
> privileged, proprietary, or otherwise private information. If you are not
> the intended recipient, you are hereby notified that any disclosure,
> copying, distribution, or the taking of any action in reliance on the
> contents of this information is strictly prohibited. If you have received
> this transmission in error, please notify the sender immediately by e-mail
> and delete the original message."
> _______________________________________________
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Message: 4
Date: Thu, 11 Dec 2008 13:25:44 -0500
From: "Marcus Eliason" <meliason at essexco.com>
Subject: [Equest-users] Multizone heating question
To: <equest-users at lists.onebuilding.org>
Message-ID: <FEELJBOMDDJIKAHICALDMEOPCAAA.meliason at essexco.com>
Content-Type: text/plain; charset="iso-8859-1"


Hello,

I am modeling an existing building with multizone air handlers with chilled
water coils for cooling and hot water coils for heating.  The hot water is
generated by a gas furnace.  I am seeing some discrepancies in my gas usage
from actual to the simulation.  In the actual building, the gas usage is
only  high in the winter months (the building is in the south) and is next
to nothing in summer months.  I have tried all the various methods of coil
control under the "heating" tab and cannot get the simulation to reflect the
real life usage.  Does anybody have any ideas on how to control the heating
better?  Representative files are attached.

Marcus Eliason

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