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19
Operation
Inverter Loads
The PROwatt SW will operate many AC loads within its power
rating. However, some appliances and equipment may be difficult to
operate. Please see “Exceptional Loads” below carefully.
Exceptional Loads
Some induction motors used in freezers, pumps, and other motor-
operated equipment need high surge currents to start. The PROwatt
SW may not be able to start some of these motors even though their
rated current draw is within the inverter’s limits.
If a motor refuses to start, observe the VOLTS indicator while you
are trying to start the motor. If the indicator drops below 11 volts
while the PROwatt SW is trying to start the motor, this may explain
why the motor won’t start. Make sure the length and diameter of the
battery cables are appropriate. Check that the battery connections
are good and that the battery is fully charged. If the cables are sized
correctly, the connections are good, and the battery is charged, but
the voltage still drops below 11 volts, you may need to use a larger
battery.
Battery Charging Frequency
When possible, recharge your batteries when they are about 50%
discharged or earlier. This gives them a much longer life cycle than
recharging when they are almost completely discharged. For
information about battery chargers, see our web site at
www.xantrex.com.
Routine Maintenance
Minimal maintenance is required to keep your PROwatt SW
operating properly. Periodically you should:
•
Clean the exterior of the unit with a damp cloth to prevent the
accumulation of dust and dirt.
•
Tighten the screws on the DC input terminals.
PROWatt SW Inverter International.book Page 19 Tuesday, June 30, 2009 9:58 AM
Summary of Contents for PROwatt SW 2000i
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