[EnergyPlus_Support] Re: separated heating and ventilation system

["Elreq" <tolteca33@xxxxxxxxx>]

It is possible to simulate your system. Just do not define any coils
in the air loop. 

On the zone equipment list you can set the cooling and heating
priorities. Read the part of the manual related to this object.

Good luck

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "nina.defreyne"
<nina.defreyne@...> wrote:
>
> 
> Hi,
> 
> I am trying to simulate a building with a ventilation system and a
> heating system. Normally EnergyPlus works with HVAC systems, which
> combines ventilation and heating, but I would like to separate them. The
> heating system will be floor radiation heating. The ventilation system
> is a mechanical system with heat recovery (the supply air is outside air
> that is warmed up by the return air by an heat exchanger). I have used
> AirloopHVAC for the input the ventilation system. The ventilation system
> is switched on all the time and has a constant flow rate.
> 
> My question is if EnergyPlus is able to work with a ventilation system
> that is separated from the heating system and how EnergyPlus will work.
> For example: the heating system is responsible for the heating of the
> building but also the ventilation system will influence the temperature
> in the building, because of the supply air (the outside air that is
> warmed up by the return air because of the heat recovery system) that
> has a different temperature than the building temperature. What will
> EnergyPlus do:
> 
> ·         Will it simulate the building with the ventilation system
> only first (without heating system)  so that it can determine how much
> heat the heating system has to deliver to keep the building temperature
> between 18 and 25 degrees,
> 
> ·         or will it determine how much heat the heating system has
> to deliver to keep the building temperature between 18 and 25 degrees
> without taking in account the heat that is lost or won by the
> ventilation system,
> 
> ·         or will it take in account the ventilation system and
> heating system together at the same time to determine how much heat the
> heating system has to deliver to keep the building temperature between
> 18 and 25 degrees ?
> 
> 
> 
> I truly appreciate any help you can offer,
> 
> Nina.
>



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