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Re: [EnergyPlus_Support] purchased HVAC



As far as I can tell (and I think I read it somewhere) this is what the "purchased air" model is useful for- determining energy consumption of a building without all the plant and system bells and whistles.

I think you are correct.  The input file specifies the high and low input air temps for a "purchased air" system so the energy usage will depend on how you set those variables.

I'm new at it also so if you find out something else please let me know or post.  thanks. 

--- On Mon, 5/25/09, kostas ordoumpozanis <ordoumpozanis@xxxxxxxxx> wrote:

From: kostas ordoumpozanis <ordoumpozanis@xxxxxxxxx>
Subject: [EnergyPlus_Support] purchased HVAC
To: EnergyPlus_Support@xxxxxxxxxxxxxxx
Date: Monday, May 25, 2009, 11:25 AM


Hi.

I have modeled a simple building in energyplus (I am new) and i want to apply an hvac system so that i can get the energy looses and gains of each zone.

I read about the purchased HVAC, but i noticed that you give a heating and cooling air temperature. In my case i have a hydronic system (which for now, i don't want to simulate, i don't have the basic energyplus knowledge yet)

Is the air purchased HVAC system correct for just getting the energy looses and gains for the building without any hvac system simulated (due to the fact that this system suppose that you have hot and cold air at specific temperatures, so the results depend on this temperatures)

Thank you




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