In my hydraulic model, I am getting two operating heads for the VSP pump for two scenarios namely peak flow and lean flow scenario. Also to maintain the minimum target head at all nodes in the model, I have to select two control nodes manually for the two scenarios as in peak dynamic head loss is governing and in lean static head loss is governing. But to do the EPS run for this, the system is not taking the two controlling nodes for VSPs in parallel. Please provide help on this.
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