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Eaton Power Xpert 9395 UPS Installation and Operation Manual 164201716—Rev 13
NOTE
A Field Installed UPM (FI-UPM) is always designated as UPM 4.
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To start the distributed bypass system:
1.
Unfasten the front door latches and swing the doors open on all of the UPSs (see
2.
If the UPSs contain input breakers (CB1), verify that all input breakers are open.
3.
Close all Module Output Breakers (MOBs).
4.
Close all UPS input feeder circuit breakers.
5.
Close all UPS Bypass input feeder circuit breakers.
6.
If the UPSs contain input breakers (CB1), close all input breakers.
7.
Close the doors and secure the latches.
8.
Observe the UPS control panel displays becoming active, indicating logic power.
9.
On any UPS, press the
CONTROLS
pushbutton on the main menu bar. The System Status screen is
displayed.
10. On the System Status screen, verify the UPS status is
SHUTDOWN
and the UPM status is
SHUTDOWN
.
11. Close all battery breakers.
12. Verify no alarms are active.
13. On the System Status screen, select the
UPS
command.
14. Press the
CONTROLS
pushbutton on the System Status menu bar. The UPS Control Command screen is
displayed.
15. On the UPS Control Command screen, select
GO ONLINE
.
16. Press the
SELECT
pushbutton on the UPS Command menu bar.
If Auto Bypass is enabled (factory default), the critical load is immediately supplied by the bypass source in
Bypass mode from all UPSs, until the inverter turns on and the UPSs transfer to Online mode. The status
indicator on the UPS control panel indicates the UPS is in Bypass mode. If Auto Bypass is not enabled, the
UPS outputs remain off until the UPSs transfer to Online mode.
17. Verify the following messages display sequentially on the UPS status line:
DC STARTING, CHARGER OFF
INVERTER STARTING
INVERTER SYNCING
ONLINE, CHARGER ON
The rectifier and inverter turn on. The inverter continues to ramp to full voltage.
Once the inverter reaches full voltage, all UPS output contactors (K3) close and the bypass circuits open.
Power is now supplied to the critical load in Online mode from all UPSs. It takes approximately one minute
for the UPSs to achieve Online mode.
The Online status indicator is illuminated. The UPS status indicates
ONLINE
. The UPM status indicates
ONLINE
,
CHARGER ON.
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To enable Energy Saver System mode:
