[BLDG-SIM] integrating walk in cooler in the HVAC system

[Steven Carlson]

I've never been able to get the Refrigeration addin to work in eQuest.  
Is there a secret?  I also thought it severely limited the HVAC systems 
as it completed changed the internal calcuation engine structure?

SST from EPRI is available for $250 now.

Steve Carlson
CDH Energy Corp.

Brian Fountain wrote:
> The standard version of eQUEST (3.55 or 3.6) has a refrigeration model
> in it which may be sufficient for your purposes.  It does allow zone
> heating from refrigerated cases.  I would recommend starting here for
> a simple refrigeration system such as your convenience store.
>
> The refrigeration version of eQUEST has considerable more detail on
> the refrigeration system (with pressure & flow in refrigerant loops
> and details on individual cases and other circuit components).  It
> models both heating from the heat rejected from the refrigerated cases
> and HVAC cooling from the refrigeration system.  Currently, the
> refrigerated version "add in" is available for version 3.55.  The
> refrigeration version for eQUEST 3.6 is reportedly "coming soon".
>
> While the SSS tool is available from EPRI -- the software is quite
> expensive.
>
> Regards,
>
> Brian Fountain
> GreenSim
>
> -----Original Message-----
> From: BLDG-SIM at GARD.COM [mailto:BLDG-SIM at GARD.COM] On Behalf Of Steven
> Carlson
> Sent: October 19, 2006 4:43 PM
> To: BLDG-SIM at GARD.COM
> Cc: BLDG-SIM at GARD.COM
> Subject: [BLDG-SIM] integrating walk in cooler in the HVAC system
>
> The EPRI Supermarket Simulation Tool was designed to integrate 
> refrigeration and HVAC. I think it's still available directly from
> EPRI.
>
> Steve Carlson
> CDH Energy Corp
>
> Abaza, Hussein wrote:
>   
>> Hi all;
>>
>> I am trying to integrate a walk-in cooler in a convenient store in 
>> store's HVAC system. In winter, I would like to direct the heat from
>>     
>
>   
>> the walk-in cooler cooling system to be used in heating the store.
>>     
> The 
>   
>> store is in Greenville, NC ( moderate climate). The convenient store
>>     
>
>   
>> is still in the design phase now. The estimated heating load for the
>>     
>
>   
>> convenient store is 48,000 Btu/hour. The walk-in cooler cooling 
>> capacity should be appproximatelly four tons. The convenient store 
>> design is an open plan with high ceiling. Does anyone have an idea
>>     
> of 
>   
>> how such integration might be?
>>
>> Thank you for your help.
>>
>> Dr. Hussein Abaza
>>
>> East Carolina Univeristy
>>
>>
>>
>>     
> ----------------------------------------------------------------------
> --
>   
>> *From:* BLDG-SIM at GARD.COM on behalf of Virdi Permana
>> *Sent:* Thu 10/19/2006 11:46 AM
>> *To:* BLDG-SIM at GARD.COM
>> *Subject:* [BLDG-SIM] ASHRAE 90.1-2004: BAseline DEsign Questions
>>
>> Hello all,
>>
>> I am a newbie in Building Modeling and eQuest.
>>
>> Currently I am in the process of working in developing a baseline
>>     
> case.
>   
>> Question:
>>
>> 1. This is about Table G3.1, No.5, which is Building Envelope part
>>     
> of 
>   
>> the requirement for calculating proposed and baseline building 
>> performance on ASHRAE 90.1-2004. Can anyone explain about point "b"
>>     
> in 
>   
>> Baseline Building performance column? My understanding is as follow:
>>     
>
>   
>> It looks like what ever the proposed building is, the base line 
>> building will always consist of: a) Insulation entirely above deck 
>> type of roofs, b) Steel-framed type of above-grade walls, and c) 
>> Steel-joist type of floors. Can anyone please confirm if my 
>> understanding is correct or wrong?
>>
>> 2. This is about how to translate the requirement of Opaque elements
>>     
>
>   
>> from Table 5.5-1 to 5.5-8 of ASHRAE 90.1-2004 to Equest (Design 
>> Development Wizard: Shell component, windows 3 and 4). How do we use
>>     
>
>   
>> the value from the table 5.5 on Equest exactly? I am a little bit 
>> unclear about where I should plug in these values from this table on
>>     
>
>   
>> eQuest.
>>
>> For example:
>>
>> If we see Wizard screen 3 of 25, say Roof Surfaces part.
>>
>> My understanding is:
>>
>> Construction and Ext Finish/Color part, this data we get from the 
>> architecture drawing.
>>
>> On the other hand, does the value from the table 5.5 go straight to 
>> Exterior Insulation and Add'l Insulation part?
>>
>> Any answer you could provide is greatly appreciated.
>>
>> Sincerely,
>>
>> Virdi Permana
>>
>> www.emsi-green.com
>>
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>>     
>
>   

-- 
Steven Carlson P.E., LEED AP
CDH Energy Corp.
33 N 1st St
Evansville, WI  53536
608-882-0111
www.cdhenergy.com

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