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Carla,
My understanding is that for interior ceilings and floors, you have to have the same built-up construction for both, they can have different names but have to be identical materials-wise. Then you specify the ceiling as a Ceiling Surface Type with the Outside Boundary Condition as Surface and the Outside Boundary Condition Object as the Floor surface that is adjacent. Then with the floor surface, you specify as a Floor Surface Type with Outside Boundary Condition as Surface and the Outside Boundary Condition Object as the Ceiling surface described above. The final construction between the two zones ends up being the Construction specified for the floor or ceiling, which is why they need to be the same. Wish I could show some kind of visual to help but I hope that makes sense.
Thanks,
Matthew Larson, LEED AP BD+C
Project EngineerEnergy Solutions Group
E M C Engineers, Inc.
Eatonâ??s Electrical Services & Systems
143 Union Blvd, Suite 350
Lakewood, CO 80228
tel: +1 303 328-3419
mobile: +1 303 668-2511
fax: +1 303 974-1239MatthewRLarson@xxxxxxxxx
www.eaton.com/energysolutions<image001.jpg>
From: EnergyPlus_Support@xxxxxxxxxxxxxxx [mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx] On Behalf Of Carla Gomez
Sent: Friday, March 11, 2011 11:18 AM
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Subject: [EnergyPlus_Support] outside boundary condition
Hi. I have a 3 story model in open studio where adjacent surfaces are my question. For horizontal surfaces (ceiling + floor), should they be defined as the same (ceiling)? And should they have an outdoor boundary condition of "zone"? I am defining these in object info.
I am going to do loading calculations and then an energy analysis. Should I have a schedule for each and turn off the one that does not apply?
I know these are easy questions. Gotta start somewhere!
Carla
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