[Equest-users] System per Area for Packaged VAV with Elec Reheat

[Vikram Sami]

Rick,

I think that’s because you have the static in WG enabled. Try right clicking and setting that back to default. 

 

Vikram Sami, LEED AP 
Direct Phone 404-253-1466 | Direct Fax 404-253-1366 

LORD, AECK & SARGENT ARCHITECTURE



 

From: equest-users-bounces at lists.onebuilding.org [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of YinRic
Sent: Tuesday, August 25, 2009 3:54 AM
To: Equest User
Subject: Re: [Equest-users] System per Area for Packaged VAV with Elec Reheat

 

Hi, 
 
I am trying to follow the advice below to revise the fan power input. After calculation, the result is 0.00101 kW/cfm, as I entered in the model (as attached screen shows). However, I found that the simulation result is not sensitive to this input (in blue).  I know the rule is "Use either SUPPLY-STATIC and SUPPLY-EFF or SUPPLY-DELTA-T and SUPPLY-KW/FLOW." , but now, both "SUPPLY-STATIC and SUPPLY-EFF" AND "SUPPLY-DELTA-T and SUPPLY-KW/FLOW" appear in the window. I attempted to remove "SUPPLY-STATIC and SUPPLY-EFF" but failed. Could anyone kindly advise how to make this work?
 
By the way, I am quite curious to know if problems still exist in the revised models after reviewed by GBCI for the second time, do we have to appeal by then? Is it likely to happen? I am afraid I cannot make sure all inputs are correct..Sorry for being off-topic.
 
Many thanks,
Rick
 

________________________________

From: kce2 at kamalcogentenergy.com
To: cesseric at hotmail.com
Subject: RE: [Equest-users] System per Area for Packaged VAV with Elec Reheat
Date: Thu, 6 Aug 2009 12:24:38 +0530

Hi Rick,

 

You must entered the Fan power as kw/cfm in every system in baseline system

 

Thanks

Ashu

 

________________________________

From: equest-users-bounces at lists.onebuilding.org [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of YinRic
Sent: Thursday, August 06, 2009 12:01 PM
To: Equest User
Subject: [Equest-users] System per Area for Packaged VAV with Elec Reheat

 

Hi All,
 
We have a 4-story office building to be LEED certified. The Baseline system is packaged VAV with elec reheat. After reviewed by GBCI, the comment is:
 
"The Baseline case fan power does not appear to be modeled in accordance with G3.1.2.9. Please revise the sum of the supply, return, exhaust and relief fans for each HVAC system to be equal to the power calculated in G3.1.2.9."
 
Now I am ready to revise the model, but I am not sure in the baseline case, whether I must choose "system per shell", "system per floor" or "system per zone". Could anyone advise? Thanks in advance. 
 
Rick, PE, LEED AP

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