Vti UDS MB and FD Series User Manual Page 1

MB and FD SeriesUnitized Distribution SubstationInstallation/Operation Guide. VTI, Incorporated 24 McMillan Way Newark, DE 19713

To insure proper installation, this manual must be read prior to starting theinstallation process.1. IntroductionThis manual covers installation in

3. CABINET WIRING3.1 Load WIRINGEnsure that each load wire pair from the field is electrically disconnected from all powersources prior to handl

The minimum size wire is listed in the table below:Verify the feeder insulation by Hy-potting each feeder between phase and ground withvoltage set to

Verify that the total load connected to the UDS does not exceed the rating of thetransformer supplied, i.e., 30 KVA, 45 KVA or 75 KVA.If the optional

480 volt transformer tap chartLine voltage Tap number504 1492 2480 3468 4456 5444 6432 7600 volt transformer tap chartLine voltage Tap number600 1585