[Bldg-sim] EnergyPlus VRF + DOAS modeling
Lee, Sang Hoon
hi.sanghoon at gmail.com
Mon Jun 3 12:08:38 PDT 2013
Hi Bldg-Sim Group,
I am working on variable refrigerant flow (VRF) system modeling using
EnergyPlus to understand energy savings compared to other conventional
For VRF modeling, I utilized the example file
"VariableRefrigerantFlow_5Zone.idf". This example uses outdoor air mixer in
each VRF indoor unit for the supply air which goes through cooling and
heating coil to the zone inlet node.
But, a typical VRF system practice uses a separate DOAS system to reduce
cooling and heating load in the VRF side only recirculating return air to
I am trying to add DOAS in the VRF modeling. The problem is that
HVACTemplate:DOAS (in EnergyPlus 7.2 or 8) does not support this.
Is there anybody who did VRF system modeling with adding DOAS?
Sang Hoon Lee, Post-doc
College of Architecture
Georgia Institute of Technology
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