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0 operating instructions, 1 normal mode operation, 2 bypass mode operation – Emerson Liebert UPStation GXT2U User Manual

Page 21: Perating, Nstructions, Normal mode operation, Bypass mode operation, Caution

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Operating Instructions

17

7.0

O

PERATING

I

NSTRUCTIONS

7.1

Normal Mode Operation

During normal operation,

mains power provides energy

to the UPS. The filters, power

factor correction circuit and

the inverter process this

power to provide computer

grade power to connected

loads. The UPS maintains

the batteries in a fully

charged state.

The four green load level LEDs indicate an approximate level of load

in 25% increments. If the UPS becomes loaded beyond full rating, the

fifth (amber) LED indicator will illuminate and the UPS will sound an

audible alarm. The display template indicates the percentage of load

(26-50% of load shown in the example above) on the UPS output.

7.2

Bypass Mode Operation

Bypass mode occurs when

the OFF button is pressed

once while the UPS is in Nor-

mal Mode. During bypass

operation, mains power pro-

vides energy to the UPS. The

mains power bypasses the

inverter and provides power

for the connected load.

The four green load level LEDs indicate an approximate level of load

in 25% increments. If the UPS becomes loaded beyond full rating, the

fifth (amber) LED indicator will illuminate and the UPS will sound an

audible alarm. The display template indicates the percentage of load

(26-50% of load shown in the example above) on the UPS output.

!

CAUTION

Turning OFF the UPS while in bypass mode will result in loss

of output power.

Normal Mode Operation at 26-50%

AC INPUTBATTERY UPS ON BYPASS

Bypass Mode Operation at 26-50%

AC INPUTBATTERY UPS ON BYPASS