Re: [EnergyPlus_Support] Balanced Ventilation System for a Single House

[Fred Buhl <wfbuhl@xxxxxxx>]

It seems to me that the best way to model this is to make the 2 zones 
that have the
outlets be return plenums. Return plenums are normally thought of as 
special zone
above the occupied zones, but in EPlus they can be ordinary zones with 
occupants, lights
etc., but with no direct supply air, just air from other zones.

Fred Buhl

Elreq wrote:
> Dear Forum,
>
> I want to module a single house with two floors, the first floor has
> two zones and the upper one 4. The idea is to simulate a forced
> ventilation system, that has air intake that is distributed in all
> zones except for one zone in the upper floor and one in the ground
> floor. In this two zones there must be two air outlets that take the
> air back to the outside air mixing box where there is a heat recovery
> system. I used the direct air object but the problem is how to make
> that the air that is coming inside in the zones does not go out in the
> same zone but instead it flows to the zones where the air outlets are
> located. With the direct air is possible to define the amount of air
> coming into the zones, but then this air goes out again through the
> outlet node of the zone, and I dont know how to make that all this
> inlet air goes to the zone where the air outlet is located. I have
> also used the mixing object and tried to specify what I just mentioned
> here, but in the results I still see that all the air coming from the
> inlet nodes of the zones goes out through the outlet node of the same
> zone. I thought about defining the inlet nodes of the zones where the
> air outlets are to be the outside nodes of the other zones, but it
> does not work.
>
> Any suggestions strongly appreciated.
>
>
>
>
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