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[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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