Eaton Powerware 225 kVA Three-Phase Power Distribution Unit, Installation And Operation Manual

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PDU OPERATING INSTRUCTIONS
EATON Powerware
®
225 kVA PDU Installation and Operation Manual
S
164201629 Rev D www.powerware.com
6−17
8. Verify that the PDU control panel output current meters read zero (lines 1, 2, and
3 only). If the meters do not read zero, wait until the meters zero out before
continuing to Step 9.
9. Close the PDU main input breaker (CB1).
10. Verify that the OFF and ALARM status indicators on the PDU control panel are
extinguished.
11. Verify that the ON status indicator on the PDU control panel is illuminated.
12. Close the PDU distribution panel input breakers (if installed) or the subfeed
breakers (if installed).
13. Close the distribution panel branch breakers (if installed).
14. Close the outside doors and secure the latch.
6.4.2 Restarting the PDU
To restart the PDU after an unscheduled shutdown (main input breaker shunt trip,
EPO, or REPO):
C A U T I O N
Do not attempt to restart the PDU until the cause of the shutdown has been identified and cleared.
1. Unfasten the front door latch and swing the doors open.
2. Reset the main input breaker (CB1) to the OFF position.
NOTE
If the PDU is supplied by an UPS, it is recommended that the UPS be placed in bypass mode before
starting the PDU because of the possibility of high inrush current creating an UPS overload condition.
3. Close the PDU main input breaker (CB1) .
4. Verify that the OFF and ALARM status indicators on the PDU control panel are
extinguished.
5. Verify that the ON status indicator on the PDU control panel is illuminated.
6. Close the outside doors and secure the latch.
6.4.3 Manual Restart Option
If manual restart is enabled, the main input breaker will trip when input power to the
PDU is lost. To restart the PDU:
NOTE
Manual restart must be enabled by an Eaton Customer Service Engineer.
1. Unfasten the front door latch and swing the doors open.
2. Reset the main input breaker (CB1) to OFF position.
NOTE
If the PDU is supplied by an UPS, it is recommended that the UPS be placed in bypass mode before
starting the PDU because of the possibility of high inrush current creating an UPS overload condition.
3. Close the main input breaker
(CB1).