NXRTi USER’S MANUAL
UNINTERRUPTIBLE POWER SUPPLY (UPS)
Xtreme Power Conversion Corporation (Rev 8/29/13)
Page 30
Bypass yellow LED is on, the buzzer beeps once every 2 minutes. The warning red LED is on when
beeping. LCD displays are according to the exact load and battery capacity.
Turn to bypass mode under the following two conditions:
•
Turn off the UPS in line mode while starting the bypass output.
•
Overload in line mode.
NOTE: When UPS is working in bypass mode, it has no back up function.
Line Mode
LED indications on the front panel in line mode are as following: the inverter green LED is on.
When input AC utility is in line with the working conditions, UPS will work in line mode.
Battery Mode
LED indications on front panel in battery mode are as follows: both the inverter green LED and battery
yellow LED are on, the buzzer beeps once every 4 seconds. The warning red LED is on when beeping.
When the utility power is not available or is not stable, UPS will turn to battery mode immediately.
Continuously working on battery mode can last for 20 hours depending on the battery volume and the
load. If battery discharge for 20 hours and the load is lower than 10% of rated power, the UPS will alarm
for ½ hour and then shutdown to protect the batteries.
ECO Mode
LED indications on front panel on ECO mode are as follows: both the inverter green LED and bypass
yellow LED are illuminated.