Fixture unit tables specify fixture units by fixture type and occupancy type for the following types of systems: cold water, hot water, and sanitary waste. Fixture unit table definitions are available in Style Manager on the Table tab.
When you add or modify a fixture in your drawing, you specify a fixture unit table and fixture type in the Add Multi-view Parts dialog box.
AutoCAD MEP 2024 toolset applies a default fixture unit value to each connector on the fixture based on the system type of the connector and the fixture values that you specify in the worksheet. However, you can modify the applied values when necessary.