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Installing the UPS System
3-9
EATON Powerware
®
9390 UPS (100–160 kVA) Installation and Operation Manual S 164201604 Rev B powerware.com
3.2.6.2 External Wiring Installation Procedure B
To install wiring to connections:
1. Slide the air filters up and remove them from the cabinet.
2. Remove the screws securing the control panel door and swing the door open.
Retain the hardware for later u se.
3. Remove the screws securing the bottom internal safety shield panel and remove
the panel to gain access to the input, output, and battery terminals. Retain the
hardware for later use.
4. If installing power wiring from the top of the cabinet, proceed to Step 5;
otherwise, proceed to Step 6.
5. Remove the screws securing the top and right side internal safety shield panels
and remove the panels to gain access to the top wiring entry. Retain the hardware
for later use.
6. Route the input and output cables to the UPS terminal blocks. See Drawing
164201604-7 starting on page A-29 for wiring access information and terminal
locations.
7. If wiring a single-feed system, proceed to Step 8; if wiring a dual-feed system,
proceed to Step 10.
8. Connect phase A, B, C, and Neutral (if required) input power wiring from the
utility source to the rectifier input terminals and neutral terminals in the UPS
cabinet. See Appendix A for wiring and termination requirements and wiring
access information. Note the wiring connections for single-feed systems.
9. Proceed to Step 13.
10. Disconnect the single-feed jumpers from the phase A, B, and C terminals on the
rectifier input terminals and bypass input terminals. Remove the jumpers from the
cabinet.
11. Connect phase A, B, and C rectifier input power wiring from the utility source to
the rectifier input terminals in the UPS cabinet. See Appendix A for wiring and
termination requirements and wiring access information. Note the wiring
connections for dual-feed systems.
12. Connect phase A, B, and C, and Neutral (if required) bypass input power wiring
from the utility source to the bypass input terminals and neutral terminals in the
UPS cabinet. See Appendix A for wiring and termination requirements and wiring
access information. Note the wiring connections for dual-feed systems.
13. If wiring an IDC or IAC, proceed to Step 14; otherwise, proceed to Step 17.