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Re: [EnergyPlus_Support] Energy recovery system and HVAC milti System





The schematic below may be helpful as a means if visualizing what you are creating for an air loop.  I started using this in my early attempts to use EnergyPlus and still find it helpful.

Inline image 1

Inline image 2


On Mon, Jul 20, 2015 at 4:07 PM, liudaniel985@xxxxxxxxx [EnergyPlus_Support] <EnergyPlus_Support@xxxxxxxxxxxxxxx> wrote:
 

I was using EnergyPlus to model a building that with multiple AHUs, and VAV box with reheat.
I have 3 questions at this point, that might need your assistance. 

1. When creating branches, how would define a branch� 

As in the attachment of my model, WestAHU1ï¼?would from node â??OSA W1 Inlet" to "W1 Fan Out"a branch or from "W1 out Side Air 
Nodeâ?? to "W1 Fan Out" or something else?
So Does in PDF North 12, and West AHU23. will that be same? since West AHU23 just has outside air?
The branch I formed now you can see my idf file, Branch Obj 70,71 72 73. I am not sure if it right. 

2. For the ERU(Energy recover unit) in my drawing, I was not able to have the exhaust fan (EF W1, EF W23 or EF N12) in the system. If I have constant volume Fan item the program will not run.

3. If I deleted the fan, the program will run but I do not have a proper SVG diagram generated, is that means the configuration of my system has issues?

In the attachment is the PDF of the section I have question with the system, also I have the CAD drawing for whole system and idf file. 

Thank you!





--

James V Dirkes II, PE, BEMP, LEED AP
CEO/President
The Building Performance Team Inc.
1631 Acacia Dr, GR, Mi 49504

Direct: 616.450.8653
jim@xxxxxxxxxxxxxxxxxxxxxxxxxxx

Website l  LinkedIn

Life is not easy.  Itâ??s never been easy. Expecting it to be easy is not a healthy attitude.
Relax. Refresh. Regroup. Carry on.



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Posted by: Jim Dirkes <jim@xxxxxxxxxxxxxxxxxxxxxxxxxxx>


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