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To use Design Master Electrical RT on a project that is in-progress, you need to add some additional information to your current electrical model.
Start by going to thecommand. All of the distribution equipment in your project will be listed here. You will need to:
Review Feeder Settings
Go to the Feeder section for each piece of distribution equipment. The feeder size is based upon the Conductor Size setting. Conductor Size will default to Size Automatically, which means the feeder size will be based upon the OCP Trip setting in the Upstream Connection section.
For panels, the default value of OCP Trip is Same as main disconnect or bus amps. The feeder will be sized based upon the Bus Size / Mains value in the Definition section.
For transformers, the default value of OCP Trip is Size to match kVA. The feeder will be sized based upon the Size value in the Definition section.
To override the feeder size, use the Conductor Size, Neutral, and Ground fields.
The feeder length is calculated automatically and displayed in the dialog box. You can override the length if necessary. You do not have to use the calculated length.
Set Transformer kVA
For transformers, you need to specify the Size in the Definition section. Using a standard Revit model, there is no standard transformer kVA field. You have to manually set the kVA a second time if you do not make any changes to your families.
Set Starting Fault
Go to the transformer connected to the utility or the topmost piece of distribution equipment in your model. In the Fault Calculations section, set the Utility Fault at Device to the appropriate value.
If you do not enter the fault at the distribution equipment at the top of the tree in your model, an infinite fault from the utility is assumed. The fault schedule will display UTILITY for the fault value.
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