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14. Install the lock washer and nut that are supplied. Tighten the nut to a
torque of 108–120 in-lbf (12.2–13.6 N-m). Make the connection snug
enough so the ring terminal does not move around on the DC terminal,
but do not overtighten.
15. Slip the DC terminal covers over the XM 1800 DC terminals.
16. Use the disconnect/battery selector switch to select one of the batteries
or battery banks (the house bank is preferred over the start bank).
Testing Your Installation
There are two tests to be performed. The first test verifies that the XM 1800
is inverting DC power from the batteries to provide AC power to operate
AC devices.
The second test is intended for installations where AC input and output is
hardwired to the XM 1800. The test verifies that the XM 1800 transfers
from inverter power to shore power when shore power is present.
When you are ready to test your installation and operate the XM 1800, close
the DC fuse and Disconnect or the DC circuit breaker to supply DC power
to the XM 1800.
Testing in Invert Mode
To test the XM 1800 in invert mode:
1. For hardwired installations, ensure shore power is not present.
2. Press the on/off button to turn the inverter on.
The status LED on the display panel glows yellow and the LED display
illuminates.
3. Plug an appliance within the power rating of the inverter into the XM
1800 GFCI or an AC outlet hardwired to the XM 1800.
WARNING: Shock hazard
The on/off button on the XM 1800 remote panel does not disconnect DC or AC
input power to the XM 1800.
Note: Shore power (pass-through) refers to the AC input power from a utility
grid, generator or external AC source.
Xantrex_PRO1800.book Page 24 Tuesday, April 24, 2007 11:33 AM