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I have submitted two projects for LEED C&S. In both cases the
budget case was assigned the PSZ-AC system. I used one system per
zone regardless of how the proposed model systems were assigned
zones. The proposed designs both had multiple zone systems.
The LEED reviewer agreed with how I modelled the baseline case.<br><br>
At 17:32 2008-09-04, Eric Youngson wrote:<br>
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Sim List,<br>
ASHRAE system 3 is, Packaged Single Zone Air Conditioner (PSZ-AC). The
description of PSZ-AC says, “Packaged rooftop air conditioner”. I assume
that this means a single unit serving multiple zones. This doesn’t seem
to make sense since the name contains the phrase ‘single zone’.<br>
I have a building with baseline system 3, PSZ-AC and I’m not sure how to
apply this system. The proposed building has a variety of systems. Should
I have a system per zone or a single unit for the building?<br>
<br>
Thanks<br>
<br>
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<b>Eric Youngson <br>
PAE Consulting Engineers, Inc.</b> <br>
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Chris Jones, P.Eng.<br>
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