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18 Xantrex PROwatt™ SW International Sine Wave Inverter Owner’s Guide
Operation
Input Voltage
The input voltage limits are shown in the following table.
Operating
Condition Voltage Range Comment
Normal 10.5–15.5 V None.
Peak Performance 12–13 V None.
Low Voltage Alarm Voltage is
11.0 V or less
The audible low battery
alarm sounds.
Low Voltage
Shutdown
Voltage is
10.5 V or less
The unit shuts down to
protect the battery from
being over-discharged.
High Voltage
Shutdown
Voltage is
15.5 V or more
The unit shuts down to
protect itself from
excessive input voltage.
NOTE: Although the
PROwatt SW
incorporates over-
voltage protection, it can
still be damaged if input
voltage exceeds 16 V.
Unit startup voltage
or Unit restarts after
low voltage
shutdown
12.0 V The unit will not restart
unless the battery
voltage is acceptable for
running the load.
PROWatt SW Inverter International.book Page 18 Tuesday, June 30, 2009 9:58 AM