System Status Screens; Meter Functions - Liebert 300 series Installation, Operaton & Maintenance Manual

3.5 SYSTEM STATUS SCREENS

Periodically, check the system status readings
and compare them to the normal readings for
UPS model. See SECTION 6 -
your Series 300
SPECIFICATIONS.

3.5.1 Meter Functions

To display various metering information during
r
normal operating conditions, press the Down
pad, from the NORMAL OPERATION default
screen, until the following message appears:
L O A D : X X X %
A PHASE
B PHASE
C PHASE
Load. Tbis screen shows the percent of rated
power being used by the critical load. The load
on each phase (A, B, and C) is also shown.
DC BUS
Voltage 410
Amps 15
Charging
DC Bus. This screen shows the voltage on the
DC bus/battery. Battery current is also shown.
(If the battery current indication is positive, the
word Charging will appear on the screen. If the
battery current is negative, the word
Discharging will appear.)
XXX kVA
XXXKVA
XXXKVA
INPUT A-PHASE
A - 6
A - N
A
Input. This Input screen is displayed for each
phase of input power (phases A, B, and C). The
screen displays the input line-to-line voltage
(A-B, EC, or GA), line-to-neutral voltage, and
current for that phase.
OUTPUT A-PHASE
A - B
A - N
A
Output. Tbis Output screen is displayed for
each phase of output power (phases A, B, and
voltage (A-B, B-C, or GA), line-to-neutral
voltage, and current for that phase.
FREQUENCY
60.0 Hz
60.0 Hz
Frequency. This screen displays the frequency
of both the input and output power.
XXX VOLTS
XXX VOLTS
X X X A M P S
XXX VOLTS
XXX VOLTS
XXXAMPS a
OUTPUT
INPUT