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Installing the UPS System
3-10
EATON Powerware
®
9390 UPS (100–160 kVA) Installation and Operation Manual S 164201604 Rev B powerware.com
14. Route and connect the output cable between the UPS cabinet and the IDC or IAC.
Refer to the applicable IDC or IAC installation and operation manual, referenced in
paragraph 1.5 on page 1-6, for wiring instructions. See Appendix A for UPS cabinet
wiring access information.
15. Connect phase A, B, and C, and Neutral (if required) power wiring from the IDC or
IAC to the UPS cabinet output and neutral terminals. See Appendix A for wiring
and termination requirements.
16. Proceed to paragraph 3.2.6.3.
17. If wiring a parallel system, proceed to Step 18; otherwise, proceed to Step 20.
CAUTION
Parallel system wiring length should be in accordance with Drawing 164201604-5, sheet
15 of 15, to ensure approximately equal current sharing when in static bypass mode.
18. Connect phase A, B, and C, and Neutral (if required) power wiring from the output
and neutral terminals of each uninterruptible power module (UPM) to the module
tie cabinet. See Appendix A for UPM wiring and termination requirements and
wiring access information.
19. Proceed to paragraph 3.2.6.3.
20. Connect phase A, B, and C, and Neutral (if required) power wiring from output
terminals and neutral terminals to the critical load. See Appendix A for wiring and
termination requirements and wiring access information.
21. Proceed to paragraph 3.2.6.3.
3.2.6.3 Battery Wiring
CAUTION
When sizing the battery system, do not exceed the internal battery charger capabilities. See
Chapter 15, “Product Specifications,” for maximum battery charger currents.
To install wiring to connections:
1. Route and connect the battery cables between the UPS and battery cabinets in
accordance with the instructions in the Powerware 9390 Integrated Battery Cabinet
(Models IBC-S and IBC-L) Installation Manual. See Appendix A for UPS cabinet
wiring access information.
2. Connect the positive, negative, and ground DC power wiring from the battery
cabinet to the UPS cabinet battery terminal block and ground terminals. See
Appendix A for wiring and termination requirements.
3. After wiring the UPS system to the facility power and critical load, be sure to
ground the system according to local and/or national electrical wiring codes.