Powerware 9315 - Manual (Page 27)

INSTALLING THE UPS SYSTEM
EATON Powerware ® 9315 UPS (500–750 kVA) Installation and Operation Manual S 164201244 Rev E www.powerware.com 3-3
4. Connect the negative DC Link power wiring to the inverter input. Connect two
cables to each inverter.
5. Reinstall the plastic shield to the inverter input section.
6. Remove the plastic shield covering the inverter output section of the
Output/Inverter cabinet.
7. Route the MBC input cables from the MBC to the inverter output
(Output/Inverter cabinet) through the knockouts in the cabinet sides.
8. Connect phase A, B, and C and Neutral power wiring from the MBC to the
respective inverter output.
9. Route the ground braid from the top of the Output/Inverter cabinet to the
Input/Rectifier cabinet through the cabinet knockouts. The ground braid is
secured at the factory to the Output/Inverter cabinet mounting stud.
10. Connect the ground braid to the Input/Rectifier cabinet mounting stud and
secure.
11. Route the ground braid from the top of the MBC to the Output/Inverter cabinet
through the cabinet knockouts. The ground braid is secured at the factory to the
MBC mounting stud.
12. Connect the ground braid to the Output/Inverter cabinet mounting stud and
secure.
13. Reinstall the plastic shield to the inverter output section.
14. Connect the Output/Inverter 15‐pin control wiring harness connector to the
Input/Rectifier 15‐pin control wiring harness connector. See Figure A‐12 on
page A-22 for connector locations.
15. Connect the MBC 15‐pin control wiring harness connector to the Output/Inverter
15‐pin control wiring harness connector. See Appendix A for connector locations.
16. Connect the 3‐pin control wiring harness connector P6 from the MBC to
connector J6 on the Inverter Number 2 control board in the Output/Inverter
cabinet. See Figure A‐14 on page A-24 and Figure A‐16 on page A-26 for
connector locations.
3.3.2 Installing UPS External Power and Control Wiring
To install the UPS external power and control wiring (see Appendix A for wiring and
termination requirements and wiring access information):
1. Remove the sheet-metal shield covering the input terminal area in the
Input/Rectifier cabinet to gain access to the Battery I/O customer interface
and CB2TB. See Figure A‐12 page A-22 for the shield location.
NOTE Remove the Input/Rectifier cabinet conduit landing plate to punch conduit holes.
2. Connect phase A, B, and C power wiring from the source to the respective
rectifier inputs in the Input/Rectifier cabinet.
3. Connect the positive and negative DC power wiring from the batteries to the
respective DC inputs in the Input/Rectifier cabinet.