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Chilled Water Pumps, Primary/Secondary
NC-2009 EAp2:Minimum Energy Performanceposted by Aaron Dahlstrom on
ASHRAE 90.1-2007 Sec G3.1.3.10 requests that users specify pump power of 22 W/gpm, with a primary / secondary pumping system and variable flow on the secondary side.
Conditioned Space
NC-2009 EAp2:Minimum Energy Performanceposted by Jean Marais on
Consider a space, storage, with no heating, modelled with heating setpoint -50 degC, receives air from a central air handling unit VAV system, where the delivered air is pre-conditioned from Outdoo
Parallel PIU fan energy
NC-2009 EAp2:Minimum Energy Performanceposted by Magda Aghababyan on
My baseline is under system 6 in which the parallel PIU fans has to be introduced for each zones.
Separated Baselines for Residential and Non-residential Portions
NC-2009 EAp2:Minimum Energy Performanceposted by Wenguang Wang on
We have a hotel development project in China seeking for the LEED-NC v2009 certification. We are now facing a problem of setting the baseline case for the energy model.
ASHRAE 90.1 - Section 8 Voltage Drop
NC-2009 EAp2:Minimum Energy Performanceposted by Carolina Vergnano on
In the section 8.4 Feeder conductors shall be sized for a maximum voltage drop of 2% at design loadand branch circuit condutors shall be sized for a maximum voltage drop of 3% at design load. I'm
Base case and proposed case modeling
NC-2009 EAp2:Minimum Energy Performanceposted by CONSTANZA CATTAN on
At he moment, we are modeling a buried building with a green roof (as part of the energy efficiency strategy) according to the appendix G of the ASHRAE standard 90.1 (2007) The question regards the
Vestibules
NC-2009 EAp2:Minimum Energy Performanceposted by Viktor Reutherborg on
I'm working on a big building, mostly office but not exclusively, in Stockholm, Sweden. I'm currently working on a restaurant on the ground floor with an entrance from outside.
HVAC System Type for Cold Storage Room
NC-2009 EAp2:Minimum Energy Performanceposted by Santiago Rodriguez on
Dear Forum, I have the following issue: For the Certification of a Restaurant, there is an inside area that corresponds to cold storage rooms.
Future Process Loads
NC-2009 EAp2:Minimum Energy Performanceposted by Victoria Watson on
Hi, I am working on a hangar project.
LEED boundary Lighting (exisiting and new)
NC-2009 EAp2:Minimum Energy Performanceposted by Matt Humphreys on
I have two questions regarding exterior lighting and treatment of the LEED boundary in EAp2. 1.