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Emerson liebert gxt5000r-208 User Manual

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10
CONTROLS AND INDICATORS
ON/Manual Battery Test button
This button controls output power to connected load(s) and has two functions:
• Transfer load to inverter
• Manual battery test
Pressing the ON/Manual Battery Test button will transfer the load from bypass to 
inverter in order to provide conditioned and protected power to the output power 
receptacles. If the output is turned off using the Standby button 
, pressing the ON 
button will restart the load directly from the inverter.
To initiate a manual battery test, press the ON/Manual Battery Test button for at 
least one second while operating from utility power and no alarm conditions are 
present. 
The manual battery test should be initiated with fully charged batteries (all Battery 
Capacity LEDs on). The Battery Capacity LEDs will flash during the battery test.
Standby/Manual Bypass button
This button controls output power to connected load(s) and has dual functions: 
• Standby
• Manual bypass 
!
CAUTION
Pressing the Standby/Manual Bypass button during normal 
operation while the inverter is on will transfer the load to bypass 
power, if the bypass voltage and frequency are within a safe range. 
Pressing the Standby/Manual Bypass button when the UPS is in 
bypass mode will shut off power to the output receptacles and 
connected loads. Turning the unit off leaves the UPS in standby 
mode. To fully isolate the load from power, open the input circuit 
breaker.
ON/Manual battery test
(Transfer to inverter)
On Inverter 
indicator
Fault
indicator
Battery capacity
indicators
On bypass
indicator
Load level
indicators
Standby/Manual bypass
(Transfer to bypass)
1-3
5%
36-5
5%
56-7
5%
76-9
5%
96-10
5%
OV
ERL
O
AD
1-35
%
36-55
%
56-75
%
76-95
%
96-100
%
AC input
indicator