An important task is to create and generate the zoning of your network according to what you have on the field. Zones or DMAs in EDAMS are generated automatically based on what exists in the system. Assuming you already know how to generate zoning, this document will help you further refine these zones based on what you have in your network.
Show Valves Layer in Zone Manager
By default, not all elements are displayed in Zone Manager. However, it is useful to see the closed valves in the network, since they act as boundaries between zones.
In the Zone Manager main window, go to View > Network Layers Visibility. Select the Other tab and check Display Valve Layers: