UPS Operating Instructions
Power Xpert
TM
9395 550/275 UPS (225–550 kVA) Installation and Operation Manual 164201716—Rev 8
www.eaton.com/powerquality
7-13
7.3
Single UPS Operation
The paragraphs in this section provide operating instructions for a UPS system containing only one UPS.
7.3.1
Starting the UPS in Online Mode
To start the UPS system:
1.
Unfasten the front door latch and swing the door open (see Figure 4-2).
2.
If the UPS contains input breaker CB1, verify that input breaker CB1 is open.
3.
Close the UPS input feeder circuit breaker.
4.
Close the UPS Bypass input feeder circuit breaker.
5.
If the UPS contains input breaker CB1, close input breaker CB1.
6.
Close the door and secure the latch.
7.
Observe the UPS control panel display becoming active, indicating logic power.
8.
Press the
CONTROLS
pushbutton on the main menu bar. The System Status screen is displayed.
9.
On the System Status screen, verify the UPS status is
SHUTDOWN
and the UPM status is
OFFLINE
.
10. Close the battery breaker.
11. Verify no alarms are active.
12. On the System Status screen, select the
UPS
command.
13. Press the
CONTROLS
pushbutton on the System Status menu bar. The UPS Control Command screen is
displayed.
14. On the UPS Control Command screen, select
GO TO ONLINE
.
15. 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, until the inverter turns on and the UPS transfers 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 output
remains off until the UPS transfers to Online mode.
16. Verify the following messages display sequentially on the UPM status line:
DC STARTING, CHARGER OFF
INVERTER STARTING
INVERTER SYNCING
ONLINE, CHARGING
The rectifier and inverter turn on. The inverter continues to ramp up to full voltage.
Once the inverter reaches full voltage, the UPS output contactor K3 closes and the static switch turns off.
Power is now supplied to the critical load in Online mode. It takes approximately one minute for the UPS
to achieve Online mode.
The Online status indicator is illuminated. The UPS status indicates
ONLINE
. The UPM status indicates
ONLINE, CHARGING
.
NOTE
A Field Installed UPM (FI-UPM) is always designated as UPM 4.
Summary of Contents for Power Xpert 9395 550/275
Page 1: ...Power Xpert 9395 UPS 550 275 UPS 225 550 kVA Installation and Operation Manual...
Page 2: ......
Page 3: ...Power Xpert 9395 UPS 550 275 UPS 225 550 kVA Installation and Operation Manual...
Page 27: ...Section 1 Installation...
Page 28: ......
Page 207: ......
Page 208: ...164201716 8 164201716 8...