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This guide for use by qualified installers only
7. Place one of the provided DC terminal covers over the terminal.
Ensure that no part of the terminal cover goes in between the battery
cable lug and the input terminal surface.
8. Connect the negative cable to the inverter negative terminal on the
DC end. Before proceeding, check that cable polarity is correct and
that the DC disconnect or breaker is open (turned off), and then
connect the other end of the cable to the NEGATIVE (–) terminal on
the battery.
This is the last cable connection you make. If the disconnect switch or
breaker is not installed or is not turned off, a spark is normal when the
connection is made. Use a wrench to tighten both the DC positive and
negative terminals of the inverter to a torque of 18–20 ft-lbs
(24–27 Nm). Test that each cable is secure.
9. Before proceeding, double check that you have connected the DC
cables properly—positive to positive, negative to negative.
10. Connect the pair of interconnecting flaps on each DC terminal cover
to completely cover the exposed metal parts of the cable terminals
(lug, ring terminal, and so on)
11. Turn on the battery disconnect switch or breaker.
12. If you have installed a battery selector switch, use it to select one of
the batteries or battery banks (house bank preferred over start bank).
13. Move the inverter’s On/Off switch to the On position.
14. Check the input voltage display. It should read between 12 and 13 V,
depending on the condition of the battery. If it does not, check your
battery and the connection to the inverter as well as the state of charge
of the battery.
15. Test sample loads by plugging appliances into the GFCI-protected
AC receptacles and check to see if they work properly.
Alternatively, if a load sub-panel or additional AC outlets are
hardwired into the inverter AC output, test that appliances plugged
into the additional outlets are working properly.
WARNING: Fire and energy hazards
If left exposed and unprotected, there is a risk the terminals could be short
circuited by a tool, lug, jewelry, or other metal item, which could present a risk of
burns or fire hazard. Use the provided terminal covers to prevent shorting
between the cable lugs or from the cable lugs to the inverter chassis. Make sure
that no part of the cover is between the battery cable lug and the surface of the
input terminal.