Basic Functional Test - Single Inverter; Confirm All Connections; Applying Dc Power To The Inverter - Xantrex XW4024 230 50 Installation Manual

Inverter/Charger Installation

Basic Functional Test - Single Inverter

Confirm All Connections

Applying DC Power to the Inverter

2–28
The following steps perform a basic functional test of the Xantrex XW Inverter/
Charger. If any test fails, refer to the Troubleshooting section in the Xantrex XW
Hybrid Inverter/Charger Operation Guide for assistance.
Once the AC and DC wiring have been installed and connected, go back over all
connections and make sure they are secure and have been installed correctly.
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.
To apply DC power to the inverter:
1. Before applying DC power to the inverter, measure the voltage and polarity of
the battery cables (measure at the battery side of the disconnect or breaker).
Important: Voltage should be between 40 to 64 volts for a 48-volt system, and
20 to 32 volts for a 24-volt system. If the DC voltage is low, the battery bank must
be charged externally. Charge the battery bank, and then restart the functional
test.
If the DC voltage is lower than the Low Battery Cut Out (LBCO) setting (46 volts
for a 48-volt system and 23 volts for a 24-volt system) a DC Under Voltage Fault
(F48) will be triggered. If the DC voltage is lower than the default LBCO voltage,
lower the LBCO setting accordingly to avoid triggering the fault.
If the DC voltage is lower than 40 volts for a 48-volt system or 20 volts for a
24-volt system, the battery should be charged externally.
2. Apply battery power to the inverter by closing the battery bank DC
disconnect.
The inverter will power up and the display will turn on, but the inverter will
remain in Standby mode (as shown in Figure 2-17).
This manual for use by qualified personnel only
975-0384-01-02