Re: [EnergyPlus_Support] Heat Recovery Unit and Primary Air Loop

["Michael J. Witte" <mjwitte@xxxxxxxx>]

On 13 Dec 2005, at 10:16, Clarice Bleil de Souza wrote:

> Hi everybody,
> 
>   I am trying to simulate a Heat Recovery Unit + a Cooling Coil in a Primary Air
>   Loop, which then feeds treated fresh air to a Secondary Air Loop with Fancoil
>   systems. 
> 
>   I had problems connecting this Primary Air Loop to the Outside Air node of the
>   Fancoils, there's probably sth in the code that doesn't allow it to happen as
>   Fancoils are pretty standard machines. So I decided to mix the air in the
>   zones directly.
> 
>   I built up a Primary Air Loop with a Heat Recovery Unit + a Cooling Coil and I
>   want to deliver treated fresh air directly to each zone using a Direct Air
>   object after the Zone Splitter. The system seems to be working perfectly
>   whenever the Heat Recovery Unit is not connected to it. 
> 
>   Once I plug the Heat Recovery Unit in, the simulation crashes because there
>   are problems in connecting it to the Outside Air Mixer in the Primary Air Loop
>   and also control problems. I couldn't figure out what exactly was wrong with
>   my files, first I thought that it might not be possible to connect a Heat
>   Recovery Unit to an Primary Air Loop then I thought that maybe a template
>   would help me. Does anybody has any template for Heat Recovery Units connected
>   to primary Air Loops?
> 
>   I thank you in advance for the attention and help
> 
>   Regards,
> 
>   Clarice
> 
> 
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