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RE: [EnergyPlus_Support] VRF and Outdoor Air




I?d suggest adding a second unit for outdoor ventilation using the object called ZoneHVAC:OutdoorAirUnit.



From: EnergyPlus_Support@xxxxxxxxxxxxxxx [mailto:EnergyPlus_Support@xxxxxxxxxxxxxxx] On Behalf Of Omar Tabuyo
Sent: Tuesday, October 23, 2012 12:02 PM
To: Support EnergyPlus
Subject: [EnergyPlus_Support] VRF and Outdoor Air





Dear all,



I am modeling a VRF system (just for fighting the internal load) and it use a roof-top for the outdoor ventilation air .



I know that i can introduce the Outdoor air through the OutdoorAir: mixer element. But in this case the outdoor air have been conditioned, so, Can i introduce the ventilation conditioned air in a zone, with a VRF system, trhough the OutdoorAir: mixer element?



Other simulation programs propuose to built a virtual space wihtout internal load where the energy needded for conditioning the outdoor air is taken into account.

Is it an appropiate solition in E+?



Which method would you recommend me?




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