Re: [EnergyPlus_Support] (unknown)

[ece k <quecen@xxxxxxxxx>]

Hi Matthew, thank you for your response. 
Is it possible that you have an idea about how it can be set outdoor air flow rates identical both in proposed and baseline buildings using energyplus?


On Friday, February 28, 2014 6:10 PM, Matthew Larson <matthew.larson@xxxxxxxxxxxxxxxxxxxxx> wrote:

You're at the right table, Table 6.8.1A "Electronically Operated Unitary Air Conditioners and Condensing Units".  You'll want to use the "Air conditioner, air cooled" equipment type followed by the correct size category based on the calculated design capacity of the coil.  The Heating Section Type is referring to the heating coil in the unit, which effects the minimum efficiency requirement of the cooling coil.  As an example, if you have a packaged unit (System 3) that is calculated to have a design capacity of 120,000 Btu/h for the DX cooling coil and a fossil fuel furnace for heating, you'll set your cooling coil efficiency to 11.0 EER, or approximately 3.2 COP.

Matthew Larson
303.668.2511

Big Ladder Software
2549 Irving Street
Denver, CO 80211
<http://bigladdersoftware.com/>http://bigladdersoftware.com



On Fri, Feb 28, 2014 at 6:10 AM, ece k <<mailto:quecen@xxxxxxxxx>quecen@xxxxxxxxx> wrote:
>  
Hi,
> 	> We have modelled a baseline building according to ASHRAE 90.1 2007 and the building has system 7 and system 3 for the zones which thermal loads are significantly different from the rest of the building. According to the LEED review comments, we have to select the efficiency values from 6.8.1A Table for the dx cooling coils. However, in this table the COP values are specified for the heating coils. Which section from the ashrae 90.1 2007 should be used for dx cooilng coils of system 3? Any suggestions?
> 
> qcn
> 






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