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Inverter operation
1. When properly connected to a 12 V outlet or battery, turning the
inverter switch “ON” will illuminate the green “POWER” light, and
deliver AC power to the outlet(s).
2. Plug the AC product(s) you wish to operate into the GFCI outlet(s)
and switch them on, one at a time.
3. As the battery is used, voltage begins to fall. When the XPower 450
senses that the voltage at its DC input has dropped to 11 V, an
audible alarm sounds. This alarm warning allows time for
computers or other sensitive devices to be shut down.
4. If the audible alarm is ignored, the XPower 450 will automatically
shut down when the battery voltage drops to 10.5 V. This auto-
shutdown prevents the battery from being damaged. After auto-
shutdown, the red “FAULT” light illuminates and the alarm will
sound.
IMPORTANT: Boat or vehicle starting batteries are designed to provide
brief periods of very high current needed for engine starting, and are not
intended for constant deep discharge. Regularly operating the XPower
450 from a boat battery until the low voltage alarm sounds will shorten
the life of the battery. Consider connecting the power inverter to a
separate deep-cycle battery if you will be frequently running electrical
products for extended periods of time.
5. If an AC product rated higher than 360 W (or which draws excessive
surge power) is connected, the XPower 450 will shut down. The red
“FAULT” light will turn on.
6. If the XPower 450 exceeds a safe operating temperature due to
insufficient ventilation or a high-temperature environment, it will
automatically shut down. The red “FAULT” light will turn on and the
audio warning will sound.
XPower450.book Page 20 Tuesday, September 7, 2010 12:39 PM