Eaton Powerware 9390 Specifications download pdf (Page 48)

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. RouteoutputcablesfromUPM1toIACMOB1.Refertotheapplicable

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. RouteoutputcablesfromUPM2toIACMOB2.Refertotheapplicable

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.

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Eaton Powerware 9390 Specifications Page 48