[Equest-users] Equest-users Digest, Vol 35, Issue 24
kirti pabrekar
arkirtipabrekar at gmail.com
Thu Feb 24 21:10:48 PST 2011
hi all,
i have recently begun using equest and have had successfully running small
models.
recently while modeling one of my projects, i had to add another floor under
the entire model.
firstly i realise that if i go back from the detailed mode to the wizard
entries, i loose all my detailed inputs.
secondly if i simulate this model, the results will be far from realistic.
can someone please help me with the process of adding an extra floor under /
over the complete model in the detailed mode, without loosing information.
any reference document, presentation, explanation shall be very much
welcome.
thanks..
Kirti Pabrekar
IGBC AP
2011/2/25 <equest-users-request at lists.onebuilding.org>
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> Today's Topics:
>
> 1. Re: transferring equest file to different computer (Nick Caton)
> 2. Re: Modeling gas instantaneous water heaters in eQuest
> (Nick Caton)
> 3. Equest: Exhaust air heat recovery to hot loop via cold loop
> (B?langer Simon)
> 4. Re: Equest: Exhaust air heat recovery to hot loop via cold
> loop (Arpan Bakshi)
> 5. Re: VRF/VRV PowerPoint on Modeling (Brad Robinson)
> 6. Air-side HVAC Summary/ Compliance Report (Brian Smith)
> 7. Radiant and biomass heating? (Brian Smith)
> 8. Induction Unit Error (Benjamin Jordan)
>
>
> ---------- Forwarded message ----------
> From: "Nick Caton" <ncaton at smithboucher.com>
> To: "deepika khowal" <deepika.khowal at gmail.com>, "Charles Land" <
> cland at geo-marine.com>
> Date: Wed, 23 Feb 2011 13:51:52 -0600
> Subject: Re: [Equest-users] transferring equest file to different computer
>
> Hey everyone!
>
>
>
> I personally have a practice of keeping a “backup” of my finished models on
> a relatively small flash drive for personal reference. In learning to do
> this, I picked up some general tips to avoid “what files do I need” line of
> thinking:
>
>
>
> 1. Simply copying (ctrl+c) and pasting (ctrl+v) the entire project
> directory (folder) of files is always an option – I often save/copy/paste my
> project’s directory to my desktop when I want to explore/experiment
> something without risking harm to my “actual” project.
>
> 2. Saving entire directories for backup/reference purposes wastes
> space. When you only want to keep (or share, as in an email) the bare
> minimum, including any parametric runs you may have set up, simply open the
> file, File à Save As to a new directory. Even for big projects, this
> usually results in a few (2 or 3) files with a tiny “memory footprint” of
> <1Mb.
>
> 3. If you’re changing computers, reinstalling/updating eQuest and/or
> your operating system – it’s prudent to also navigate to and keep a copy of
> any weather files downloaded and accumulated in the eQuest data directory.
> That will potentially save time finding/recreating a weather file later if
> you should come back to your work and want to re-run a simulation down the
> road.
>
> 4. If you get motivated to keep backups for future reference or open
> others’ files, remember that you can & should check which version of eQuest
> was used to create the project before opening it with the wrong version:
> rightclick the .pd2 file and open with notepad or another text editor – the
> version used is among the first lines.
>
>
>
> Also, I’ve never used the default eQuest project data directories to save
> or work from, so the location of the files is not critical. In moving your
> projects/files around you might get the occasional “where did that AutoCAD
> reference go” warnings on opening the project –
> it’s totally safe to skip or remove that reference once you’re past
> defining footprints/zones in the wizards.
>
>
>
> Christopher’s error regarding sharing violations/permissions almost
> certainly has nothing to do directly with eQuest... I’ve only ever run into
> this sort of error when helping my colleagues/friends who didn’t listen to
> me when I said to avoid migrating from Windows XP (my money is you’re using
> some iteration of Windows Vista or later on your desktop and/or laptop)…
> I’d suggest sharing/transferring files using a flash drive per above or
> saving the project to a network drive.
>
>
>
> ~Nick
>
>
>
> [image: cid:489575314 at 22072009-0ABB]**
>
> * *
>
> *NICK CATON, E.I.T.***
>
> PROJECT ENGINEER
>
> Smith & Boucher Engineers
>
> 25501 west valley parkway
>
> olathe ks 66061
>
> direct 913 344.0036
>
> fax 913 345.0617
>
> www.smithboucher.com* *
>
>
>
> *From:* equest-users-bounces at lists.onebuilding.org [mailto:
> equest-users-bounces at lists.onebuilding.org] *On Behalf Of *deepika khowal
> *Sent:* Wednesday, February 23, 2011 12:49 PM
> *To:* Charles Land
> *Cc:* McArdle, Christopher; equest-users at lists.onebuilding.org
> *Subject:* Re: [Equest-users] transferring equest file to different
> computer
>
>
>
> I think it is very important to have the equest projects and data folder in
> same path.
>
> check the path of these folders on your laptop and your desktop.
>
> Deepika
>
> On Wed, Feb 23, 2011 at 9:40 AM, Charles Land <cland at geo-marine.com>
> wrote:
>
> Im not sure but that error does look familiar. I would check to make sure
> your desktop has an up to date version of eQuest. Or atleast as up to date
> as the version on your labtop.
>
>
>
> *From:* Dahlstrom, Aaron [mailto:ADahlstrom at in-posse.com]
> *Sent:* Wednesday, February 23, 2011 12:04 PM
> *To:* Carol Gardner; Charles Land
> *Cc:* equest-users at lists.onebuilding.org; McArdle, Christopher
> *Subject:* RE: [Equest-users] transferring equest file to different
> computer
>
>
>
> Agree with Carol and Charles – just the PD2 and INP are necessary for most
> transfers.
>
>
>
> If you have parametric runs, you might also have a PRD file which would be
> important to transfer.
>
> And I sometimes transfer the PDL file just so I have a history of where /
> when the file was last used.
>
>
>
> You might check the install version on each computer. Back when we used
> 3.63, there were multiple “builds” and I believe we had problems when we
> tried to open a file from a later build in an earlier version.
>
> Finally, you might check if any of the files in the final destination are
> now marked read-only – this has caused me trouble before.
>
>
>
> *Aaron Dahlstrom , PE, LEED® AP*
>
> *In P**o**sse* – A subsidiary of *AKF*| 1500 Walnut Street, Suite 1414,
> Philadelphia, PA 19102
>
> d: 215-282-6753| m: 267-507-5470| In Posse: 215-282-6800| AKF: 215-735-7290
>
> e: ADahlstrom at in-posse.com | in posse web: www.in-posse.com | akf web:
> www.akfgroup.com
>
>
>
>
>
>
>
> *From:* equest-users-bounces at lists.onebuilding.org [mailto:
> equest-users-bounces at lists.onebuilding.org] *On Behalf Of *Carol Gardner
> *Sent:* Wednesday, February 23, 2011 10:48 AM
> *To:* Charles Land
> *Cc:* equest-users at lists.onebuilding.org; McArdle, Christopher
> *Subject:* Re: [Equest-users] transferring equest file to different
> computer
>
>
>
> I do it all the time. As long as you have eQUEST loaded up on each computer
> you should have no problem. You can either download your .inp and .pd2 files
> on a USB drive or zip them together and email them to yourself.
>
> Carol
>
> On Wed, Feb 23, 2011 at 7:42 AM, Charles Land <cland at geo-marine.com>
> wrote:
>
> As long as your copying your .pd2 file and your .inp file you shouldn’t
> have any trouble.
>
>
>
>
>
> *From:* equest-users-bounces at lists.onebuilding.org [mailto:
> equest-users-bounces at lists.onebuilding.org] *On Behalf Of *McArdle,
> Christopher
> *Sent:* Wednesday, February 23, 2011 10:38 AM
> *To:* equest-users at lists.onebuilding.org
> *Subject:* [Equest-users] transferring equest file to different computer
>
>
>
> Can equest files be transferred to another computer?
>
>
>
> I created an equest model on a laptop computer. I transferred the file to
> my desktop computer but I keep getting an error message about an sharing
> violation.
>
>
>
> Is it possible to transfer equest files between computers?
>
>
>
> Christopher McArdle, PE, LEED AP, CEM
>
> EwingCole
>
> Federal Reserve Bank Building
> 100 N. 6th Street
> Philadelphia, PA 19106-1590
>
> *DIRECT * 215.625.4432
>
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>
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>
> *EMAIL *cmcardle at ewingcole.com
>
>
>
> *ewingcole.com <http://www.ewingcole.com/>*
>
> *Error! Filename not specified.*
>
>
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>
>
> --
> Carol Gardner PE
>
>
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>
>
>
> --
>
> Deepika Khowal, LEED Green Associate
>
> Energy Engineer, Soladigm Inc.
>
>
>
>
>
>
> ---------- Forwarded message ----------
> From: "Nick Caton" <ncaton at smithboucher.com>
> To: "David Cantrill" <dcantrill at cxgbs.com>, <
> equest-users at lists.onebuilding.org>
> Date: Wed, 23 Feb 2011 17:21:34 -0600
> Subject: Re: [Equest-users] Modeling gas instantaneous water heaters in
> eQuest
>
> Hi David!
>
>
>
> Hm… I’ll take a swing at this…
>
>
>
> I’d suggest simply modeling a normal gas storage water heater.
>
> 1. Zero out the ambient tank heat losses in detailed edit (set tank
> UA to 0)
>
> 2. Match burner efficiency (HIR) and capacity to the actual
> equipment
>
> 3. Call it a day ;)
>
>
>
> By default (coming out of the wizards), hot water loops don’t have a loop
> UA defined and so will not model losses. If you’re trying to differentiate
> between instantaneous and storage systems with a static/recirc loop, your
> storage model ought to define something for loop losses to keep everything
> on a level playing field.
>
>
>
> ~Nick
>
>
>
>
>
> [image: cid:489575314 at 22072009-0ABB]**
>
> * *
>
> *NICK CATON, E.I.T.***
>
> PROJECT ENGINEER
>
> Smith & Boucher Engineers
>
> 25501 west valley parkway
>
> olathe ks 66061
>
> direct 913 344.0036
>
> fax 913 345.0617
>
> www.smithboucher.com* *
>
>
>
> *From:* equest-users-bounces at lists.onebuilding.org [mailto:
> equest-users-bounces at lists.onebuilding.org] *On Behalf Of *David Cantrill
> *Sent:* Tuesday, February 22, 2011 2:38 PM
> *To:* equest-users at lists.onebuilding.org
> *Subject:* [Equest-users] Modeling gas instantaneous water heaters in
> eQuest
>
>
>
> I am working on a project that is using instantaneous gas water heaters.
> What is the best way to model these in eQuest?
>
>
>
> Thanks,
>
>
>
>
> *David Cantrill*
> *Branch Manager - Mississippi
> *[image: Description: cid:3360324511_1137265] <http://www.cxgbs.com/>
> CxGBS is not responsible for design concept, design criteria, compliance
> with codes, design or general construction scheduling, cost estimating, or
> construction management.
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>
> ---------- Forwarded message ----------
> From: "Bélanger Simon" <Simon.Belanger at teknika-hba.com>
> To: <equest-users at lists.onebuilding.org>
> Date: Thu, 24 Feb 2011 08:37:55 -0500
> Subject: [Equest-users] Equest: Exhaust air heat recovery to hot loop via
> cold loop
>
> Hi all,
>
>
>
> First, know that I am a fairly new Equest user. I’ve searched the archive
> but have not found a good answer to my question.
>
>
>
> In a building I am trying to model, I need to recover heat from the exhaust
> of a ventilation system with a cold water loop. The heat recovered is then
> transferred to a hot water loop with a chiller. I have yet to find a way to
> model that. This should lower our energy consumption as the boiler will have
> less heat to provide.
>
>
>
> Any advice would be welcome,
>
>
>
> Thank you all!
> Simon Belanger
>
> Junior Engineer in Energy Efficiency
>
>
> ---------- Forwarded message ----------
> From: Arpan Bakshi <arpanbakshi at gmail.com>
> To: "Bélanger Simon" <Simon.Belanger at teknika-hba.com>
> Date: Thu, 24 Feb 2011 09:12:33 -0500
> Subject: Re: [Equest-users] Equest: Exhaust air heat recovery to hot loop
> via cold loop
> Simon, so basically you're putting a heat exchanger between your return
> chilled and hot water lines to reduce return water temperature by preheating
> hot water before it reaches the boiler?
>
>
>
>
> Arpan Bakshi
>
>
>
> On Feb 24, 2011, at 8:37 AM, Bélanger Simon <
> Simon.Belanger at teknika-hba.com> wrote:
>
> Hi all,
>>
>>
>>
>> First, know that I am a fairly new Equest user. I’ve searched the archive
>> but have not found a good answer to my question.
>>
>>
>>
>> In a building I am trying to model, I need to recover heat from the
>> exhaust of a ventilation system with a cold water loop. The heat recovered
>> is then transferred to a hot water loop with a chiller. I have yet to find a
>> way to model that. This should lower our energy consumption as the boiler
>> will have less heat to provide.
>>
>>
>>
>> Any advice would be welcome,
>>
>>
>>
>> Thank you all!
>> Simon Belanger
>>
>> Junior Engineer in Energy Efficiency
>>
>> _______________________________________________
>> Equest-users mailing list
>> http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org
>> To unsubscribe from this mailing list send a blank message to
>> EQUEST-USERS-UNSUBSCRIBE at ONEBUILDING.ORG
>>
>
>
>
> ---------- Forwarded message ----------
> From: Brad Robinson <brad.robinson at yahoo.com>
> To: Josh Howes <josh at concordenergystrategies.com>, "
> equest-users at lists.onebuilding.org" <equest-users at lists.onebuilding.org>
> Date: Thu, 24 Feb 2011 06:35:48 -0800 (PST)
> Subject: Re: [Equest-users] VRF/VRV PowerPoint on Modeling
> I'm not sure if this is what you are looking for, but see attached.
>
>
>
> ----- Original Message -----
> From:Josh Howes <josh at concordenergystrategies.com>
> To:equest-users at lists.onebuilding.org
> Cc:
> Sent:Wednesday, February 23, 2011 12:23:30 PM
> Subject:Re: [Equest-users] VRF/VRV PowerPoint on Modeling
>
> Can anyone repost the Powerpoint presentation about how to model VRV/VRF in
> eQuest again? Thanks!!
>
> Josh
>
> -- Joshua D. Howes. P.E.
> Concord Energy Strategies
> (502) 384-9078
> http://www.concordenergystrategies.com
>
> _______________________________________________
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> To unsubscribe from this mailing list send a blank message to
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>
>
>
>
> ---------- Forwarded message ----------
> From: "Brian Smith" <brians at murraypc.com>
> To: <equest-users at lists.onebuilding.org>
> Date: Thu, 24 Feb 2011 10:12:21 -0900
> Subject: [Equest-users] Air-side HVAC Summary/ Compliance Report
>
> Hello,
>
>
>
> My company has just begun experimenting with Equest, and I’m the chosen on
> the figure it out. There are a couple of questions that have eluded me up to
> this point but I would imagine are some what trivial to people of the list
> serv. These pertain to an seemingly error free DD model.
>
>
>
> 1. While looking in the Air-Side HVAC summary report I find a column
> of Heat btuh/sf. Is this an average or a design day? It also seems 25% high
> for many buildings compared to what I find using IMC equations for heat loss
> and even adding in the ventilation load given from this same zone summary.
> Are there some raw numbers I can use to verify this number?
>
> 2. While asking for a compliance analysis I received this message
> (x19) :
>
> “Table look up failed: A901-07_Envelope(1,5) evaluating rule: Look-up and
> default C-Cfactor”
>
> Is there some additional download package I need?
>
>
>
>
>
>
>
> Thanks,
>
> Brian Smith
>
>
>
>
> ---------- Forwarded message ----------
> From: "Brian Smith" <brians at murraypc.com>
> To: <equest-users at lists.onebuilding.org>
> Date: Thu, 24 Feb 2011 10:19:59 -0900
> Subject: [Equest-users] Radiant and biomass heating?
>
> Hello,
>
>
>
> My company has just begun experimenting with Equest, and I’m the chosen on
> the figure it out. There are a couple of questions that have eluded me up to
> this point but I would imagine are some what trivial to people of the list
> serv. These pertain to an seemingly error free DD model.
>
>
>
> 1. A building I’m modeling has a biomass boiler and Radiant ceiling
> panels. I did not find places where I could spec these. Instead I said my
> system is natural gas, figuring a btu is a btu, (even though efficiencies my
> be different). And rather than RCP I said they where HW baseboards? Are
> others making similar assumptions or am I just missing something all
> together? I this something that maybe I would see in future editions?
>
>
>
> Thanks,
>
> Brian Smith
>
>
> ---------- Forwarded message ----------
> From: Benjamin Jordan <benmichaeljordan at gmail.com>
> To: equest-users at lists.onebuilding.org
> Date: Thu, 24 Feb 2011 14:25:45 -0500
> Subject: [Equest-users] Induction Unit Error
> Hello everyone,
>
> I'm running into an error with my setup of an induction unit in equest. For
> some reason, I am showing cooling during Jan, Feb, Mar, Nov, and Dec for a
> building near Rochester, NY. I have the baseline model setup too and I am
> showing basically zero cooling during this months (baseline unit is PTAC
> units b/c it's a residential building). Anyways, I have heat recovery on the
> OA for my induction units. Does anyone have any ideas to where my error is?
> Any type of help would be appreciated. Thanks!
>
> Ben Jordan
> Burt Hill, Stantec
>
> _______________________________________________
> Equest-users mailing list
> Equest-users at lists.onebuilding.org
> http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org
>
>
--
Regards,
Ar. Kirti Pramod Pabrekar.
IGBC AP, LEED India,
M. Arch,
Environmental Planning and Design.
+91 9821 68 2280
*...Green is a commitment...not a competition...*
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