Default Screen Messages; I Normal Operation; Warning: Load On Maintenance Bypass; Warning: Load On Ups - Liebert 300 series Installation, Operaton & Maintenance Manual

10-1250kva, 60 hz, three phase
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3.3 DEFAULT SCREEN MESSAGES

One of six default messages will automatically
appear on the display screen. They are:
Normal Operation
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Warning Load on Maintenance Bypass
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Warning Load on UPS
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. Fault: System Shutdown
UPS on Battery.
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3.3.1 Normal Operation
NORMAL OPERATION
Load on UPS
Load XXX%
The NORMAL OPERATION message is
displayed during normal operating conditions. It
That system conditions are normal (all meter
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readings are nominal and the UPS Module is
synchronized with the input power)
. That the critical load is supported by the UPS
The percentage of power being used by the
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critical load, relative to the UPS rating. The
value represented by XXX will always be less
than or equal to 100 in a NORMAL
OPERATION message. (If the critical load is
drawing more than 100% of the UPS rated
load, a warning message will appear.)
The Up, Down, or Alarm Silence symbol
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flashes in the lower right-hand corner of the
screen. This is normal and indicates that the
operator may cycle through various
monitoring and test functions, by pressing the
appropriate selection pad.
Operation and Maintenance Manual (8195)
3.3.2 Warning: Load on Maintenance
Bypass
This message indicates that the critical load is
being supplied power through the Maintenance
Bypass Line. Press the Down pad to view the
active Alarm Messages.
NOTE
Additional Alarm Messages may be active
and con be viewed by pressing the Down
pad. When the alarm condition is
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corrected, the message will be cleared
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the alarm history buffer). For o list of
Alarm Messages with their meaning and
recommended corrective actions, refer to
Section 3.11 Alarm Messages.

3.3.3 Warning: Load on UPS

This message indicates that an alarm condition
exists. However, the critical load is still
receiving conditioned power through the UPS.
Press the Down pad to view the Alarm
Messages.
WARNING: Load
on Maintenance
Check Messages
WARNING:
Load on UPS
Check Messages
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