[Equest-users] Supply Fan Power

[Patrick J. O'Leary, Jr.]

from your wording of "independent" it sounds like you may have an 
application where you have a unit in the proposed building that is 
required but not provided in the design?  or something similar.  is this 
the case?  if a unit is required in the proposed per the requirement all 
spaces be heated/cooled (per the definitions) they are required to be 
the same as the units in the baseline building.  if this is not the case 
if you post the exact comment it may shed some light on the subject.  
otherwise i would argue the comment is in error - if all of your zones 
are served by units in the proposed and you have matching units in the 
baseline (regardless of system types) then your approach would be correct.

On 5/20/11 5:31 AM, M. Shields wrote:
>
> Good Morning All,
>
> I recently received comments back from LEED and one of them was about 
> my fan power.  In the submission I calculated all of my fan power 
> using G3.1.2.9 for the baseline building, and I used the actual fan 
> power in the proposed building.  The reviewer has commented that all 
> independent fan systems have to be modeled identically in both the 
> baseline and the proposed building.  The supply fans use very high 
> efficiency motors, and as such are substantially more efficient than 
> the calculation that G3.1.2.9 provides.  Is there no way to take 
> credit for using high efficiency supply fans?
>
> Thanks,
>
> ____________________________
> Michael Shields
>
> Email: mshields at fstrategies.com <mailto:mshields at fstrategies.com>
>
>
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