Installing the IAC
3-28
EATON
Powerware
®
9390 IAC-B and IAC-T Installation and Operation Manual
S
164201590 Rev C
powerware.com
3.4.4 Installing IAC Standalone Parallel Power Wiring
NOTE
The IAC is shipped with a debris shield covering the ventilation grill on top of
the unit. Do not remove the debris shield until installation is complete. However, remove
the shield before operating the IAC. Once the debris shield is removed, do not place
objects on the ventilation grill.
NOTE
Remove the IAC cabinet top or bottom conduit landing plate to drill or punch
conduit holes, or remove knockouts (see Drawing 164201590-5 on page A-32).
NOTE
Refer to the applicable Powerware 9390 Installation and Operation manual,
listed in paragraph 1.5, for UPS cabinet wiring information, and conduit and terminal
locations.
1.
Verify the UPS system is turned off and all power sources are removed. Refer to
the applicable Powerware 9390 Installation and Operation manual, listed in
paragraph 1.5, for shutdown instructions.
2.
If not already open, unfasten the IAC front door latch and swing the door open.
3.
If not already removed, remove the door. Remove the retaining screws located
inside the door at the top and bottom hinge pivot points, then lift the door off.
Save the retaining screws for reinstallation of the door.
4.
If not already removed, remove the screws securing the internal safety shield
panels and remove the panels to gain access to the terminals.
5.
Route output cables from UPM 1 to IAC MOB 1. Refer to the applicable
Powerware 9390 Installation and Operation manual, listed in paragraph 1.5, for
UPS cabinet terminal locations and termination requirements. See Drawing
164201590-6, starting on page A-34, for IAC wiring access information and
terminal locations.
6.
Connect phase A, B, and C, and, if required, Neutral power wiring from UPM 1 to
MOB 1.
7.
Route output cables from UPM 2 to IAC MOB 2. Refer to the applicable
Powerware 9390 Installation and Operation manual, listed in paragraph 1.5, for
UPS cabinet terminal locations and termination requirements. See Drawing
164201590-6, starting on page A-34, for IAC wiring access information and
terminal locations.
8.
Connect phase A, B, and C, and, if required, Neutral power wiring from UPM 2 to
MOB 2.
9.
If wiring an IAC with an SLB, proceed to Step 10; if wiring an IAC without an SLB,
proceed to Step 13.
10.
Route the output cables from the critical load to the IAC SLB output terminals. See
Drawing 164201590-6, starting on page A-34, for IAC wiring access information
and terminal locations.
Summary of Contents for Powerware 9390 IAC-B
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