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7.3
Single UPS Operation
EATON Powerware
NOTE A Field Installed UPM (FI−UPM) is always designated as UPM 4.
7.3.1
Starting the UPS in Normal Mode
To start the UPS system:
1.
If the UPS contains input breaker CB1, verify that input breaker CB1 is open.
2.
Close the UPS input feeder circuit breaker.
3.
Close the UPS Bypass input feeder circuit breaker.
4.
Observe the UPS control panel display becoming active, indicating logic power.
5.
Press the
CONTROLS
screen is displayed.
On the System Status screen, verify the UPS status is SHUTDOWN and the UPM
6.
status is OFFLINE.
7.
Close the battery breaker.
8.
If the UPS contains input breaker CB1, close input breaker CB1.
9.
On the System Status screen, select the
10. Press the
CONTROLS
Control Command screen is displayed.
11. On the UPS Control Command screen, select
12. Press the
SELECT
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 Normal 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 Normal mode.
13. 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 Normal
mode. It takes approximately one minute for the UPS to achieve Normal mode.
The
NORMAL
The UPM status indicates ONLINE, CHARGING.
®
9395 UPS (1000–1100 kVA) Installation and Operation Manual
pushbutton on the main menu bar. The System Status
pushbutton on the System Status menu bar. The UPS
pushbutton on the UPS Command menu bar.
status indicator is illuminated. The UPS status indicates ONLINE.
S
164201764 Rev 1 www.powerware.com
UPS OPERATING INSTRUCTIONS
command.
UPS
.
GO TO NORMAL
7−11
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