NXRTi USER’S MANUAL
UNINTERRUPTIBLE POWER SUPPLY (UPS)
Xtreme Power Conversion Corporation (Rev 8/29/13)
Page 31
When the input utility equals the input range of the ECO mode and the ECO function is activated, the
UPS will operate in ECO mode. If input AC utility exceeds the range of ECO several times in a row in a
minute but stays in the inverter input range, the UPS will operate on inverter mode automatically.
Fault Mode
LED indications on front panel in fault mode are as follows:
Fault mode (LCD interface with the fault code display)
When UPS has a fault, the fault LED lights and the buzzer beeps. The UPS will turn to fault mode with an
overload fault, inverter fault, and over-temperature. The UPS cuts off the output and LCD displays the
fault codes. Pressing the mute key will make the buzzer stop beeping. You can also press the ON/OFF
key to shut down the UPS.
NOTE: As for corresponding information of the fault code, please refer to Fault Code information Table.
NOTICE
：
The following process must be performed if UPS is connected with generator:
★
First turn on generator, after it runs stably connect output power of generator to UPS input terminal,
then turn on UPS. After UPS turned on, please connect load one-by-one.
★
It is recommended that the generator capacity is twice the UPS rated capacity.
★
Do not use the ECO mode when the quality of the input AC utility is not stable.
