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Controls and Indicators
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7.0 CONTROLS AND INDICATORS
Figure 18 Liebert
®
GXT3
™
control panel
7.1 ON/Alarm Silence/Manual Battery Test Button
This button controls output power to connected load(s) and has three functions:
•ON
•Alarm Silence
•Manual Battery Test
ON - Pressing this button for four seconds will start the UPS.
Alarm Silence - To silence alarms, press this button for at least one second. After the
alarm is silenced, the Liebert GXT3 will reactivate the alarm system to alert of addi-
tional problems.
Manual Battery Test - To initiate a manual battery test, press the ON button for at least one second
while operating from utility power with no alarm conditions present.
• If only three of the five Battery LEDs illuminate, allow the UPS to recharge the batteries for 24
hours.
• After 24 hours, retest the batteries.
• After the batteries have been retested, if only three of the five Battery LEDs illuminate, contact
your local dealer, Emerson representative or Emerson Channel Support.
7.2 Standby/Manual Bypass Button
This button controls output power to connected load(s) and has dual functions:
Standby and Manual Bypass.
NOTICE
Pressing the Standby/Manual Bypass button once will transfer the load to bypass
power and the load will be unprotected from disturbances in utility supply. Pressing
the Standby/Manual Bypass button twice within 4 seconds while on Bypass will cut
off power to the output sockets and connected loads. Perform all necessary shutdown
procedures on connected loads before pressing this button twice.
NOTE
The LOW BATTERY and BYPASS reminder alarms CANNOT be silenced.
Liebert
®
GXT3
AC Power System
10000VA
Battery Level Indicators
Load Level
Indicators
Bypass Indicator
Inverter Indicator
Battery Indicator
Standby/Manual Bypass Button
On/Alarm Silence/Manual
Battery Test Button
AC Input Indicator
Fault Indicator
Upper indicator for L1
Lower for L2