Operating Limits
4–5
Input Voltage
The input voltage limits are shown in the following table.
Operating
Condition Voltage Range Comment
Normal 10 V–15 V
Peak Performance 12 V–14.5 V
Low Voltage Alarm Voltage is
10.7 V or less
The audible low battery alarm sounds
and the
VOLTS indicator is in the
lower red area.
Low Voltage
Shutdown
Voltage is less
than 10 V
The inverter shuts down to protect the
battery from being deeply-discharged.
High Voltage
Shutdown
Voltage is 15 V
or more
The inverter shuts down to protect
itself from excessive input voltage.
The
VOLTS indicator is in the upper
red area.
Note: Although the PROwatt 3000
incorporates over-voltage protection,
it can still be damaged if input voltage
exceeds 16 V.
Unit restarts after low
voltage shutdown
The inverter will not restart unless the
battery voltage is acceptable for
running the load.
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