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Re: [EnergyPlus_Support] Please help me!!!



If you are wondering the "minimum" requirements for a central plant, look at the example file PlantLoadProfile.idf that comes with E+.  This file is "plant-only" and so it runs off of a prescribed load and has an ideal system to meet the prescribed demand.  This would not be your case, of course, but it may help you understand the plant structure without all the overhead of zones and air systems.

Also, I'm having a bit of trouble understanding the stuff in your input file, but it looks like you have an HVACTemplate:Zone:IdealLoadsAirSystem to condition your zone.  This is an ideal system which is not what you would want to have in place if you are going to be conditioning the zones with coils.  There should be other HVACTemplates that are closer to what you want.  Have a look at the HVACTemplates in the documentation and see if a different one is a better match.

Edwin

On Mon, Sep 26, 2011 at 10:26, Giovanni Macchitelli <gio.macchitelli@xxxxxxxxx> wrote:
 

Hi!

I wrote here and to all of you many times but I don't know how to do by myself so I ask another time your help...

I am an Italian student and I am trying to use EnergyPlus and Google SketchUp (with openStudio) to study the heating requirements of a small health center in Tanzania for an international cooperation project by Engineers without Borders.

 

I had the results of my simulation (zone mean air temperature and sensible heating energy).

I want to have never less than 20°C.

Now I have to put in each zone (three in total) of the building a very simple heating system:

- a solar collector to warm water during the day

- a 2,000 liters barrel to store the water

- coils (simple coils, not fancoils because there's no electricity..) inside the building to warm the zones during the night with the hot water stored in the day...

after that I will add a pump and a valve to control the plant

 

I am trying to do it editing the IDF with no succes.

I made a New Obj in "Coil:Heating:Water" without results;

then I added  a  new solar collector but I don?t know how to add the 2,000 liters barrel to store the water?and mainly I don?t know how to create a unique heating system (I am studying the InputOutputReference guide, but I don?t understand which is the correct way to follow [I think I made confusion without understanding the correct use of branchlist, nodelist, plantloop? which is the correct instrument to create my very simple heating plant?])

 

Can someone give  me a piece of advice, or some steps to follow? I don?t know how to complete my work?

(I attach the idf file)

thank you

 

Giovanni




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