Installing the UPS System
3-8
Powerware
®
9390 UPS (40–80 kVA) Installation and Operation Manual
S
164201535 Rev A
3.2.4.2 TB2 Connections
To install wiring to connections:
1.
Be sure the UPS system is turned off and all power sources are removed. (See
Chapter 9, “UPS Operating Instructions,” for shutdown instructions.)
2.
If not already open, unfasten front door latch and swing door open.
3.
Remove screws securing internal panel covering TB1 and TB2 terminal blocks at
the top of the UPS cabinet (see Drawing 164201535-8, starting on page A-19).
4.
To locate appropriate terminals, and for wiring and termination requirements, see
Drawing 164201535-8, starting on page A-19.
5.
If battery cabinets are installed attached to the UPS cabinet, proceed to Step, 6; if
battery cabinets are installed separated from the UPS cabinet, proceed to Step 9.
6.
Route UV trip and Aux wiring harness supplied with the battery cabinet from the
battery cabinet to the UPS cabinet. Refer to Appendix A and to the
Powerware
9390 Battery Cabinet Installation Manual
listed in paragraph 1.4 for wiring access
information.
7.
Connect wiring to TB2 terminals.
8.
Proceed to Step 16.
9.
If installing interface wiring from the bottom of the cabinet, proceed to Step 5;
otherwise, proceed to Step 7.
10.
Remove screws securing top internal safety shield panel and open panel to gain
access to bottom entry wireway.
11.
Remove screws securing bottom internal safety shield panel and remove panel to
gain access to bottom entry conduit landing plate.
12.
Remove UPS cabinet top or bottom wire entry conduit landing plate to drill or
punch conduit holes (see Drawing 164201535-6 on page A-14).
NOTE
When installing UV trip and Aux battery interface wiring to the UPS interface
terminals, conduit must be installed between the UPS cabinet.
13.
Reinstall conduit landing plate and install conduit.
14.
Route UV trip and Aux wiring from the battery cabinet to the UPS.
15.
Connect wiring to TB2 terminals.
16.
When all wiring is complete, reinstall safety shield panels removed in previous
steps.
17.
Close door and secure with latch.
Summary of Contents for 9390
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