GMV5 D.C INVERTER MULTI VRF SERVICE MANUAL
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1.5.2.3 Controlling Units
In the menu bar, choose ―Setting‖ -> ―Parameter Settings‖. Shortcut menus ―Gateway Settings‖,
―IDU Settings‖, ―System Settings‖, ―Project Number Conflict‖, and ―System Historical Info‖ are available.
Select one of them to set. Note that if project number of an IDU conflicts, other options will be greyed out.
In this case, you need to set the ―Project Number Conflict‖ parameter to solve the conflict.