Hi,

I am modeling VRV system based on a "Energy Trust of Oregon, Inc."
guidance document (attached) posted by Mathew Larson of Colorado dated
12/12/2011. The document recommends using a PVVT system to simulate a
VRV system. I used an air cooled PVVT system to model a VRV system.
However, the unmet hours on the heating is very high. The cooling part
is okay. Does anyone has experience on bringing down the unmet hours?

Thanks!

Loi Ng