
Inverter/Charger Installation
2–32 975-0239-01-01
This manual for use by qualified personnel only
Basic Functional Test - Single Inverter
The following steps will complete a basic functional test of the Xantrex XW
Inverter/Charger. If any test fails, please refer to the Troubleshooting section in
the Xantrex XW Inverter/Charger Operation Guide for assistance.
Confirm All Connections
Once the AC and DC wiring have been installed and connected, take a moment
to go back over all connections and make sure they are secure and have been
installed correctly.
Applying DC Power to the Inverter
To apply DC power to the inverter:
1. Before applying DC power to the inverter, measure the voltage and polarity of
the cables (measure at the battery side of the disconnect or breaker).
2. Apply battery (DC) power to the inverter by closing the battery bank DC
disconnect.
The inverter will power up, the display will illuminate, but the inverter will
remain in the Standby Mode (as shown in Figure 2-22).
CAUTION: Reverse Polarity Damage
Before making the final DC connection or closing the DC breaker or disconnect,
check cable polarity at both the battery and the inverter/charger. Positive (+)
must be connected to positive (+). Negative (–) must be connected to
negative (–).
Reverse polarity damage is not covered by warranty.
Important: Voltage should be between 40 to 60 volts for a 48-volt system, and 20
to 30 volts for a 24-volt system. If the DC voltage is low, the battery bank needs to
be charged externally. Charge the battery bank and restart the functional test.
Figure 2-22 Power-up Display
ON/OFF Button
All LEDs temporarily illuminate.
Note: If the inverter was
previously powered up then it
will power-up in the last
operating state (Operating or
standby)
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