[Hap-users] LEED requirement for Baseline Ventilation matchingProposed Ventilation

Matthew Scott MScott at nefisher.com
Thu Nov 1 15:42:39 PDT 2012


I was hoping there was a more elegant way to do it, but ok. 

 

Just to clarify, in the "first run" of the Baseline system to size the
supply CFM, should the "ventilation sizing method" be set to ASHRAE-2007
or Sum of Spaces or does it matter? I have a feeling the calculated
supply CFM could be influenced by the ventilation calculation.

 

Thanks for your help. I have used the tech support extensively; just
wanted to get some feedback from other users.

 

Matt Scott

N.E. Fisher & Associates, Inc.

329 East Second St, 2nd Flr

Boyertown, PA 19512

e: mscott at nefisher.com

p: 610-369-3190

f: 610-369-3194

 

From: Systems, Software CCS [mailto:Software.Systems at carrier.utc.com] 
Sent: Thursday, November 01, 2012 6:15 PM
To: Matthew Scott
Subject: RE: [Hap-users] LEED requirement for Baseline Ventilation
matchingProposed Ventilation

 

Matt,

 

The approach you describe is the correct procedure.

 

Also, please not that as a HAP software licensee you and your firm can
get answers to questions like these from the Carrier software help desk
by e-mailing software.systems at carrier.utc.com

 

Best Regards,

 

Jim Pegues

Carrier Software Systems

 

From: hap-users-bounces at lists.onebuilding.org
[mailto:hap-users-bounces at lists.onebuilding.org] On Behalf Of Matthew
Scott
Sent: Thursday, November 01, 2012 5:50 PM
To: hap-users at lists.onebuilding.org
Cc: nef mail
Subject: [Hap-users] LEED requirement for Baseline Ventilation matching
Proposed Ventilation

 

What is the proper way in HAP to get your Baseline model to use the
exact same amount of ventilation air as your proposed model when LEED
requires that HAP auto-calculate the supply CFM based on a 20 degree
rise?

 

Do you run the simulation once with the 20 degree rise to calculate your
supply CFM. Then switch to User-Defined Sizing mode and input the
Proposed ventilation CFM and the supply CFM that was calculated in the
first run?

 

Matt Scott

N.E. Fisher & Associates, Inc.

329 East Second St, 2nd Flr

Boyertown, PA 19512

e: mscott at nefisher.com

p: 610-369-3190

f: 610-369-3194

 

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