Installation Instructions

T ask 16: Connecting 220 V AC P ower Chapter 2: UBS Macro B T S Installation Procedure
• Input AC cable sizing should be determined by Local Electrical Codes, using 90 C minimum
rated conductors, and de–rating for 50 C operation.
• The customer must provide a disconnect device and an over current protection device for
the AC circuit supplying the UBS Macro BTS . A circuit breaker size of 30 Amperes is
recommended, or as appropriate set by Local Electrical Code.
Required items
The following items are required:
• Conduit - customer supplied
• W ire for Ground and AC lines - customer supplied
• Insertion bridges – supplied with AC PSM shelf; two 3 -position bridges and three 2 -position
bridges
• T20 TORX bit with 12 -inch extension
• Flat blade screwdriver
• W ire stripper/cutters
AC PSM shelf AC power input detail
Figure 2 -24 shows the location of the AC PSM shelf AC power input terminals and wiring
details for:
• Single -Phase
• 3 -Phase ST AR
• 3 -Phase DEL T A
2 -66 68P09283A62 -3
PRELIMINARY A UG 2007