Liebert GXTRT Series Installation and User Manual
1-3 kVA UPS
Page 21
9/2005
Emerson Network Power
Operation
begin to operate in Normal mode; meanwhile, the LINE indicator, INVERTER indicator,
load/battery capacity indicators (LEDs 1~5) will turn on.
Note
The UPS provides automatic restart function, i.e., the inverter will restart automatically to allow
the UPS to operate in Normal mode when the mains power recovers after the UPS shuts down.
This function can be enabled through the background monitoring software, and is also enabled
by default.
2. With no mains input fed to the UPS, turn on the UPS manually into Battery mode
With no mains input fed to the UPS, hold and press the ON button for one second until the
buzzer beeps. At this point, the inverter turns on, and the UPS will begin to operate in Battery
mode. Meanwhile, the BATTERY indicator, INVERTER indicator, load/battery capacity
indicators (LEDs 1~5) will turn on.
Completely powering down the UPS
The UPS can be powered down completely from Normal mode, Battery mode, and Bypass
mode. The procedures are as follows:
1. Completely power down the UPS from Normal mode
Hold and press the OFF button for one second until the buzzer beeps. At this point, the UPS
inverter turns off, the UPS ceases output and transfers to standby state, the LINE indicator and
LED 5 are on. In standby state, the UPS is not completely powered down. To completely power
down the UPS, disconnect the mains input to the UPS.
2. Completely power down the UPS from Battery mode
Just hold and press the OFF button for one second, and the UPS will shut down and cease
output.
3. Completely power down the UPS from Bypass mode
Hold and press the OFF button for one second, and the UPS will cease output and transfer to
standby state. In standby state, the UPS is not completely powered down. To completely power
down the UPS, disconnect the mains input to the UPS.
3.3.2 Conducting Battery Test
In UPS operation, users can manually initiate battery test to check the battery conditions. There
are two methods to initiate the battery test:
1. Through the ON/Alarm silence button
In Normal mode, press and hold the ON/Alarm silence button for one second until the buzzer
beeps. At this point the LEDs 6~10 will flash cyclically, indicating the battery test has started.
The battery test will last for five seconds.
In the event of a battery fault during battery test, the UPS will transfer to Normal mode
automatically.
2. Through the background monitoring software
Users can also initiate battery test through the background monitoring software. For details,
please refer to the UPS Monitoring Software User Manual.
