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Operation
7.
Switch OFF the utility power where the UPS is connected.
6 6 . . 6 6
R R e e s s t t a a r r t t i i n n g g t t h h e e P P a a r r a a l l l l e e l l S S y y s s t t e e m m
The following table shows the indicator status and description.
To restart the parallel system:
1.
Verify that all UPS breakers on the parallel tie cabinet are in the OFF position.
Status
Description
2.
Switch ON the utility power where the UPSs are connected.
On
The UPS is operating normally.
3.
Wait for the front panel LCD to illuminate.
Flashing
S The UPS is starting up or is shut down and waiting for power to return.
S A new information message is active.
S Bypass is not available.
The
Off
The UPS is turned off and will not turn on automatically.
4.
Switch all battery circuit breakers to the ON position.
On
The UPS is in Battery mode.
The
5.
Switch the UPS breakers on the parallel tie cabinet to the ON position.
On
The UPS is in Bypass mode.
6.
Verify that no alarms appear on the UPS front panel display.
On
The UPS has an active alarm.
If the
Flashing
There is a new UPS alarm condition. See "Troubleshooting" on page 67 for
front panel to view the active alarms. Correct the alarms and restart if necessary.
additional information.
7.
Press the
Changing the Language
8.
Press the
Press and hold the first button on the left for approximately five seconds
until the UPS stops beeping.
to select the language menu. This action is possible from any LCD menu
screen.
The UPS goes to Bypass mode for five seconds, and then the
should be in Normal mode.
Parallel Bypass
Display Functions
9.
Press the
As the default or after 15 minutes of inactivity, the LCD displays the
selectable startup screen. The default is the Eaton logo and can be
6 6 . . 7 7
P P a a r r a a l l l l e e l l B B y y p p a a s s s s O O p p e e r r a a t t i i o o n n
changed to the Mimic screen in the User Settings menu.
To switch the parallel UPS to maintenance bypass from Normal mode:
To switch the parallel UPS from Normal mode to maintenance bypass :
The backlit LCD automatically dims after a long period of inactivity. Press
1.
From any UPS, set the system to internal Bypass mode:
any button to restore the screen.
1.
From any UPS, set the system to internal Bypass mode:
S
Using the
Use the two middle buttons ( and ) to scroll through the menu
•
menu option and press the
structure. Press the
to select an option. Press the
S
Press the
button to enter a submenu. Press the
•
previous menu.
ESC
button to cancel or return to the
The
The
indicating the UPS system is operating in Bypass mode.
in Bypass mode.
2.
Switch the bypass breaker (may be designated MBP or CBP) in the parallel tie cabinet to the ON position.
2.
Switch the bypass breaker (may be designated MBP or CBP) in the
parallel tie cabinet to the ON position.
3.
If present, switch the maintenance isolation breaker (MIS) on the
S
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parallel tie cabinet to the OFF position; otherwise, switch the UPS
breakers (may be designated MOB or UPS) on the parallel tie
cabinet to the OFF position.
To return to Normal mode from maintenance bypass:
NOTE
If there is only one breaker for all UPSs, do not switch off utility power until all UPSs are
shut down.
NOTE
If you are shutting down all the UPSs in a parallel system, repeat Steps 2 through 6 for
each UPS then remove utility power.
OPERATION
Restarting the Parallel System
indicator flashes on each UPS.
indicator stops flashing on each UPS.
indicator is flashing, do not proceed until all alarms are clear. Check the UPS status from the
ESC
button once and then press the
button to select the System On option; press and hold the
ESC
button until the Eaton
button on the front panel display, scroll to the Control
Using the
button on the front panel display, scroll to the Control menu option and press the
button to enter a submenu. Press the
button.
ESC
button to cancel or return to the
button to select the Go to Bypass Mode option.
Press the
button
button to select the Go to Bypass Mode option.
indicator illuminates and the
indicator illuminates and the
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Eaton 9355 Parallel UPS (10/15 kVA) User's Guide 164201601—Rev E0
64
Eaton 9355 Parallel UPS (10/15 kVA) User's Guide
OPERATION
Indicator
Green
To restart the parallel system:
1.
Verify that the maintenance isolation breaker (if present) on the Tie
Cabinet is in the OFF position or all of the UPS breakers are in the
OFF position.
2.
Switch on utility power where the UPSs are connected.
Yellow
3.
Wait for the front panel LCD to illuminate.
The
indicator flashes on each UPS.
Yellow
4.
Switch all battery circuit breakers to the ON position.
The
indicator stops flashing on each UPS.
Red
5.
Switch the UPS breakers on the parallel tie cabinet to the ON
position.
button to select the TURN UPS ON/OFF menu.
6.
If present, switch the maintenance isolation breaker (MIS) on the
wall-mounted bypass cabinet to the ON position; otherwise, switch
the UPS breakers (may be designated MOB or UPS) on the
wall-mounted bypass cabinet to the ON position.
If the
indicator is flashing, do not proceed until all alarms are
clear. Check the UPS status from the front panel to view the active
alarms. Correct the alarms and restart if necessary.
®
logo or Mimic screens appears.
ESC
7.
Press the
button once and then press the
the TURN UPS ON/OFF menu.
8.
Press the button to select the System On option; press the
button.
button.
9.
Confirm the selection. Press and hold the
button
seconds, until the UPS stops beeping.
The UPS goes to Bypass mode for five seconds, and then the
indicator extinguishes,
indicator illuminates. Each UPS should be in Normal mode.
indicator extinguishes, indicating the UPS system is operating
ESC
10. Press the
button until the Eaton logo appears.
56
S
The following table shows the indicator statu
Status
Description
On
The UPS is operating normally.
Flashing
S The UPS is starting up or is shut down and w
S A new information message is active.
S Bypass is not available.
Off
The UPS is turned off and will not turn on auto
On
The UPS is in Battery mode.
On
The UPS is in Bypass mode.
On
The UPS has an active alarm.
Flashing
There is a new UPS alarm condition. See "Tro
additional information.
Changing the Language
Press and hold the first button on the left for
button for three seconds,
to select the language menu. This action is p
screen.
indicator illuminates. Each UPS
Display Functions
As the default or after 15 minutes of inactivi
selectable startup screen. The default is the
changed to the Mimic screen in the User Se
The backlit LCD automatically dims after a lo
any button to restore the screen.
Use the two middle buttons ( and ) to scro
structure. Press the
button for three
to select an option. Press the
previous menu.
Eaton 9355 Parallel UPS (10/15 kVA) User's Guide
164201601 Rev B
button to select
button to enter a sub
ESC
button to
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164201601 Rev B
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