Eaton Power Xpert 9395C UPS Installation and Operation Manual 164000821—Rev 06
133
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This section provides operating instructions for a UPS system containing multiple UPSs in a Distributed Bypass
System configuration.
NOTE
To obtain any system information, follow the on screen prompts to get to the proper
screen. The operator cannot inadvertently cause a system dump or disconnect unless
they override a warning pop-up. Value or information screens DO NOT affect system
operation
•
If any UPS output is on, do not close the MOBs of any non-powered attached parallel units. Closing the
MOBs may open or blow the non-active unit's output fuses.
•
Do not attempt to close battery breakers until the UPS is online.
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To start the distributed bypass system:
If any UPS output is on, do not close the MOBs of any non-powered attached parallel units. Closing the MOBs
may open or blow the non-active unit's output fuses.
1.
Close all Module Output Breakers (MOBs).
2.
Close all UPS input feeder circuit breakers.
3.
Close all UPS Bypass input feeder circuit breakers.
4.
Observe the UPS control panel displays becoming active, indicating logic power.
5.
Press the
LOCK
icon on any screen. The Sign In screen is displayed. Use operator password to log in
(factory default password is
0101
) (see
and
6.
Select the Power Maps tab on the Home screen, and verify the UPS status on the
UPS Power Map
screen and Power Module status on the
UPS Module Map
screen (see
and
).
7.
Return to the
Home
screen and select the Controls tab (see
8.
On the
System Controls
screen, select Go Online (see
). Select “Yes” when prompted.
9.
From the Home screen menu, select Logs and verify no alarms are active on the
Active Event
screen (see
). The UPS start up sequence begins.
•
If Auto Bypass is enabled (factory default), the critical load is immediately supplied after pre-charge 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 turn on the inverter.
•
The rectifier and inverter turn on. The inverter continues to ramp up to full voltage.
•
When the inverter reaches full voltage, 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 on the header section of
the screen. The UPM status indicates
Active
on the
UPS Module Map
screen (see
Summary of Contents for Power Xpert 9395C
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