UPS OPERATING INSTRUCTIONS
Eaton 9395 UPS (450–825 kVA) Installation and Operation Manual
S
164201725 Rev 4
www.eaton.com/powerquality
7-41
21.
If the UPS is a Plus 1 model or an upgraded 825/550, repeat Steps 12 through 15
selecting
UPM 4
to start UPM 4.
22.
Verify the following messages display sequentially on the UPM status line:
DC STARTING, CHARGER OFF
INVERTER STARTING
INVERTER SYNCING
READY
The UPM 4 rectifier and inverter turn on. When the inverter reaches full voltage,
the UPS is ready to transfer to the Online mode and supply the critical load.
23.
Repeat Steps 1 through 22 for each UPS in the distributed bypass system.
NOTE
To transfer to Online mode after starting individual UPMs,
follow the procedure in paragraph 7.4.18
.
7.4.16
Starting a Single UPM
To start a single UPM:
1.
Unfasten the front door latch and swing the door open (see Figure 4‐1 on
page 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 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, the UPS status should indicate
SHUTDOWN
and the
UPM status should indicate
OFFLINE
.
10.
Verify no alarms are active.
11.
On the System Status screen, select the
UPM
command. The UPS Control
Command screen screen is displayed.
12.
On the UPS Control Command screen, select the UPM to start.
13.
Press the
CONTROLS
pushbutton on the UPS Control Command menu bar. The
UPM Control Command screen is displayed.
14.
On the UPM Control Command screen, select
UPM ON
.
15.
Press the
SELECT
pushbutton on the UPM Command menu bar.
