Hi,

I'm having problems simulating a 2-pipe fan coils system in a
residential building. 2-pipe is not available as an HVAC option in the
Wizard, so I chose 4-pipe instead. Once in the detailed edit mode, I
changed the hot and cold water loops to 2-pipe. They changed colour in
the water-side window to purple. However, when I try to simulate it,
eQuest crashes and says that the chilled water loop has zero flow. Can
someone help me out on this? pd2 and inp files attached.

Thanks,
Luka