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NB380 Installation and Operator’s Manual For the first battery connection, there are Remove battery & hardware (includes (2) bolts, (2) wires (shown above) to be connected to from cardboard (2) flat washers and (2) lock washers) the positive (red) terminal on battery. box.
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NB380 Installation and Operator’s Manual For negative battery connection, place the lock washer, then flat washer, then the (3) remaining black wires onto bolt as shown. Thread bolt onto red positive battery terminal and tighten with 10mm wrench. Place flat washer, lock washer, then nut onto bolt and tighten with 10mm wrench.
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NB380 Installation and Operator’s Manual Make sure all fittings are tight and battery is strapped down in the cabinet. Confirm the power strip is plugged into the inverter then turn power strip on. The light should turn red. • Turn ON (I) the red inverter switch on blue inverter inside battery box Place power box cover on and tighten the thumb screws.
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NB380 Installation and Operator’s Manual 3. Batteries should not be discharged below 11.5 volts as this will shorten the life of the battery. 4. If battery is discharged below 11 volts, you may need a separate trickle charger to get the battery above 11 volts.
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