Ups And Critical Load Shutdown; Charger Control - Eaton Power Xpert Plus 1 Installation And Operation Manual

UPS OPERATING INSTRUCTIONS
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Power Xpert 9395 UPS (450–550 kVA) Installation and Operation Manual
4. Press the
CONTROLS
UPM Control Command screen is displayed.
5. On the UPM Control Command screen, select
6. Press the
SELECT
7. Verify the following messages display sequentially on the UPM status line:
DC STARTING, CHARGER OFF
INVERTER STARTING
INVERTER SYNCING
READY
The UPM rectifier and inverter turn on.
8. To transfer the UPM to Online mode, press the
UPS Control Command menu bar. The UPM Control Command screen is
displayed.
9. On the UPM Control Command screen, select
10. Press the
SELECT
The UPM transfers to Online mode. The UPM status indicates ONLINE.
7.3.20

UPS and Critical Load Shutdown

To perform maintenance or service on the critical load, shut down power to the load:
1. Turn off all equipment that is being powered by the UPS.
2. Perform the LOAD OFF procedure in paragraph 7.3.22.
The input, output, battery, and bypass backfeed contactors open, and the power
module is turned off.
Power is present inside the UPS cabinet until the upstream input feeder circuit breaker is opened.
3. If the UPS contains input breaker CB1, open the UPS input breaker CB1.
4. Open the UPS input and bypass feeder circuit breakers.
7.3.21

Charger Control

To turn the battery charger on:
1. Press the
CONTROLS
screen is displayed.
2. On the System Status screen, select the
3. Press the
CONTROLS
Control Command screen is displayed.
4. On the Charger Control Command screen, select
5. Press the
SELECT
pushbutton on the UPS Control Command menu bar. The
pushbutton on the UPM Command menu bar.
pushbutton on the UPM Command menu bar.
W A R N I N G
pushbutton on the main menu bar. The System Status
CHARGER
pushbutton on the System Status menu bar. The Charger
pushbutton on the Charger Command menu bar.
S
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164201701 Rev 4
.
UPM ON
pushbutton on the
CONTROLS
.
UPM GO TO ONLINE
command.
.
CHARGER ON