I am trying to model a water heater that is indirectly heated by a boiler in EnergyPlus based on the drawing below. (The drawing is a simplified version of a bigger plant):
. However the boiler is not working and there is no any flow in the left loop. I am not sure what I am missing in the model. I have also attached my IDF file here for review link text and would appreciate any help from the community.
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