1. Open registered electrical design file.
2. Attach mechanical reference file. Make sure that Logical name is specified.
3. Place electrical Symbol, for example special purpose receptacle that will be associated with Air Handling Unit from reference file. Location should be the same as AHU.
4. Activate External load command Electrical>Circuiting>External load/BBMS
5. Select Special purpose receptacle with data point
6. External load dialog box comes up. Activate Connect option and select AHU with data point
7. Once AHU is selected Electrical Load- Secondary(1,500W) is associated with special purpose receptacle
8. Finish command with OK.
9. During circuiting process, special purpose receptacle will display load of 1,500W.
If AHU has multiple electrical loads defined, additional electrical symbol (receptacles usually) should be added and associated with each load separatelyInstead of using receptacles, separate electrical symbol can be created and used to designate connection point with mechanical equipment.