[EnergyPlus_Support] Re: AirflowNetwork Distribution with Multi AirloopHVACs

["energy.partners" <energy.partners@xxxxxxxxx>]

Thanks for your reply. Hope this limitation will be gone in next version......

Best regards.

--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Lixing Gu <gu@...> wrote:
>
> This is the current limitation. We have a wish list and don't know when we
> will implement to remove the limitation.
> 
> You may have two choices to make a workaround. The first choice is to
> combine both Aieloops into one. The second choice is to use a choice without
> distribution as MultizoneWithoutDistribution. The assumption is that no
> supply and return leaks are applied.
> 
> Hope this helps.
> 
> Lixing
> 
> -----Original Message-----
> From: EnergyPlus_Support@xxxxxxxxxxxxxxx
> [mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx] On Behalf Of energy.partners
> Sent: Thursday, May 23, 2013 8:46 PM
> To: EnergyPlus_Support@xxxxxxxxxxxxxxx
> Subject: [EnergyPlus_Support] AirflowNetwork Distribution with Multi
> AirloopHVACs
> 
> Hi all,
> 
> Is it possible to have the AirflowNetwork works with multi AirLoopHVACs?
> 
> I have a house model with 2 AirLoopHVACs. One is to do the heating/cooling
> for the living zones (DX cooling and heating, constant volume fan). Another
> one is to provide under slab void heating/cooling from the roof space air
> (constant volume fan to draw air from the roof space to the under slab void
> spaces). I also want to have windows open for natural ventilation (and free
> cooling) so I setup the AirflowNetwork classes to control the openings. 
> 
> Then when I ran the simulation I got an error message: "** Severe  **
> GetAirflowNetworkInput: More AirLoopHVACs are found. Currently only one
> ("1") AirLoopHVAC object per simulation is allowed when using AirflowNetwork
> Distribution Systems"
> 
> I really can't have only one AirloopHVAC....... Anyone knows how to setup
> AirflowNetwork with multi AirLoopHVAC?
> 
> Many thanks.
> 
> Best regards.
> 
> 
> 
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