Battery/12-Volt System Information; Battery Disconnect Switch; Converter - Nucamp T@B 320 Manual

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Cleaning Instructions
1. Turn fan motor off.
2. Remove screen insert.
3. Clean screen with soap and water solution, dab
dry with a soft cloth, and reinstall

Battery/12-Volt System Information

The major portion of electrical power in your
camper is 12-volt.
All 12-volt current comes through the battery
system. The battery is in the front compartment by
the propane tank on the tongue of your trailer.
If you replace a blown fuse and it immediately
blows again, do not replace the fuse again until a
qualified service technician can correct the problem.
If the replacement fuse holds for a week or more
and the gap in the fusible metal is barely melted
apart, this usually indicates an overload condition.
Reducing the number of lights or appliances used
on that circuit at the same time could prevent any
further fuse failure.

Battery Disconnect Switch

The battery disconnect switch
is used to separate the batteries
from the 12-volt distribution
panel and converter charging
system.
When the switch is turned to
ON and the trailer is plugged into a 120-volt
shoreline, the 12-volt distribution panel will receive
power from the converter and the batteries will be
charged through the converter charging system.
When the switch is turned to OFF and the trailer is
plugged into a 120-volt shoreline, the 12-volt
distribution panel will still receive power from the
converter, but the batteries are disconnected from
the system. The batteries will not be drained with
the switch in the OFF position. The converter will
not charge the batteries with the switch in this
position.
The charge in the 12-volt batteries can be
replenished, depending on the tow vehicle, from the
tow vehicle alternator through the 7-way cord. This
charge will flow to the batteries, but in order for it
to charge the battery the cut-off switch must be turn
to ON.
.

Converter

volt AC into 12-volt DC. The converter/charging
system is the interior low voltage electrical system
that enables you to use the interior lights, fans,
pumps, and 12-volt appliances, whether operating
on self-contained battery power or 120-volt city
power. The 12-volt light bulbs give off the same
light as regular household bulbs, so that when
operating on self-contained battery power,
everything works normally except the 120-volt
convenience outlets and 120-volt appliances. The
converter system is designed to maintain constant
output voltages regardless of the variances that
occur in city power systems.
The converter is energized only when the trailer is
hooked up to external AC power.
To test the converter, observe the following:
• Confirm 120-volt power is going into the
converter.
• Disconnect the 12+ wire from the master switch.
• Using a voltmeter, check voltage output between
heavy gauge positive and negative wires coming out
of the converter.
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