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Installing the UPS System
6. Route input and output cables through wireway to the UPS terminal blocks. See
7. If wiring a single feed system, proceed to Step 8; if wiring a dual feed system,
8. Connect phase A, B, C, and Neutral input power wiring from source to the Bypass
9. Proceed to Step 13.
10. Disconnect single feed jumpers from phase A, B, and C terminals on Rectifier
11. Connect phase A, B, and C rectifier input power wiring from source to the
12. Connect phase A, B, C, and Neutral bypass input power wiring from source to the
13. Connect phase A, B, and C, and Neutral power wiring from Output Terminals and
When sizing battery system, do not exceed internal battery charger capabilities. See
Chapter 14, "Specifications," for maximum battery charger currents.
14. Route battery cables from the battery cabinet to UPS battery terminal block. Refer
15. Connect positive, negative, and ground DC power wiring from battery cabinet to
16. After wiring the UPS system to the facility power and critical load, be sure to
17. When all wiring is complete, reinstall safety shield panels removed in previous
18. Close door and secure with latch.
3-6
Drawing 164201535-7, starting on page A-15, for wiring access information and
terminal locations.
proceed to Step 10.
Input Terminals and Neutral Terminals in the UPS cabinet. See Appendix A for
wiring and termination requirements and wiring access information. Note wiring
connections for single feed systems.
Input Terminals and Bypass Input Terminals. Remove jumpers from cabinet.
Rectifier Input Terminals in the UPS cabinet. See Appendix A for wiring and
termination requirements and wiring access information. Note wiring connections
for dual feed systems.
Bypass Input Terminals and Neutral Terminals in the UPS cabinet. See Appendix A
for wiring and termination requirements and wiring access information. Note
wiring connections for dual feed systems.
Neutral Terminals to the critical load. See Appendix A for wiring and termination
requirements and wiring access information.
to Appendix A and to the Powerware 9390 Battery Cabinet Installation Manual for
wiring access information.
the battery terminal Block and ground terminals in the UPS cabinet. See
Appendix A for wiring and termination requirements and wiring access
information.
ground the system according to local and/or national electrical wiring codes.
steps.
Powerware
9390 UPS (40–80 kVA) Installation and Operation Manual S 164201535 Rev A
®
C A U T I O N
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