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[EnergyPlus_Support] Minimum Input to calculate load requirements



Hi Guys,

I am new to EnergyPlus and in general the whole HVAC world.  

As a first step I just wanted to implement a simple single zone
building (i.e rectangular box) and just determine the cooling load
required for it.

So I 1)Defined just the building with 6 surfaces, 2) added Purchased
Air (I assumed it was an necessary input do get the cooling load),
3)Set a Dual Setpoint with Deadband, and 4) Outputed Sensible Load
Predicted.

I run the simulation with a weather file for a year (reporting daily).

First, am a correct to assume this is the minimum setup needed. 
Second,  what exactly is purchased air.  The help file's definition is
a bit confusing to me.  Lastly, am I viewing the correct output for
the cooling load (also where can I find what factor determine it's
value i.e outside temp, surface material, etc)

Thank you very much! :-)


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