Xtreme Power Conversion Corporation
G90 User’s Manual
Page 33
Uninterruptible Power Supply
Operating Mode Description
Mode
Description
Indicator
Line Mode
The Inverter green LED is on.
When input AC utility is providing stable input
power, the UPS will work in Line Mode, charging the
battery and protecting the load.
Battery Mode
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 down or unstable, the UPS
will go to Battery Mode immediately. If the utility
power returns, the UPS will transfer back to Line
Mode.
If the Battery low alarm activates, the indicator of
flashes. If the Battery voltage reaches the low
limit, the UPS will turn off to protect the Battery.
The UPS will auto-restart when the input utility
power returns.
Note:
The backup time of Battery Mode is subject to
the load connected and the EBPs installed. Battery
remaining time displayed on the LCD may not be
completely accurate.
Bypass Mode
Bypass yellow LED is on, the buzzer beeps once
every 2 minutes. The warning red LED is on when
beeping, the LCD displays the load and battery
capacity.
Bypass tolerance can be set by the LCD.
Under the conditions listed below, the UPS will
transfer to Bypass Mode:
• BPS “ON” set by user through LCD and the UPS is
turned “OFF”
• BPS “ON” set by user through LCD and the UPS is
plugged into utility but is not turned “ON”
• Overload on Line Mode or ECO Mode
Note:
When in Bypass Mode the load is not pro-
tected.
