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12V DC SYSTEM
When not connected to 120V AC shore power, the 12V system uses
power from the 12V (or double 6V) battery(ies) on board the camper and
functions much like the 12V system in your tow vehicle. When 120V AC
shore power is connected, current runs to the 12V power center via the
converter and provides power to the 12V appliances and features. The
negative terminal on your battery serves as a ground to your electrical
system when shore power is disconnected.
These components and appliances work off 12V power:
•
Stabilizer Jacks
•
Lighting
•
Water Pump
•
Refrigerator
•
nuCamp Control Panel
•
Power Vent/Fan
•
12V Outlets
•
Awning (If equipped)
•
Propane/CO Alarm
BATTERY(IES)
Battery Maintenance:
•
When the 120V AC shore power cord is connected, the converter
system automatically charges the trailer battery(ies) if the battery
disconnect switch is turned ON.
•
When the hauling vehicle is not running, the 7-way connector
plug is connected, (depending on vehicle make/model) and the
120V AC shore power cord is connected, your tow vehicle
battery may charge as well. In a similar scenario when 120V
AC shore power cord is not connected, the tow vehicle battery may
discharge slowly if left connected for extended periods. Make sure
to unplug the 7-way connector plug when the camper is not being
hauled or the hauling vehicle isn't running.
•
Battery charging speed depends on the power being used for lights
and appliances. Only surplus power goes to charging the battery.
•
On extended stays, keep your trailer hooked up to a 120V AC shore
power, if available, to keep batteries charged.
•
While driving, if you have the 7-way connector plug attached to the
tow vehicle (depending on tow vehicle make/model), your battery
will be re-charged.
•
To check fill levels of battery charge, tap the tank fill/battery
monitor screen on the nuCamp control panel twice. The
approximate voltage of your battery will displayed.
•
Always make sure the battery is secured in place while traveling.
•
Battery cables must always be secured tightly to the terminals.
Loose connections can cause loss of power and arcing power
between connections.
•
Keep the terminals and cables clean and free of corrosion. Clean
periodically with a wire brush.
CAUTION
When installing a battery (s), always
observe polarity. Connecting a battery
in reverse polarity will blow the power
converter main fuses located in the 12-
volt DC distribution center.
nucamprv.com • Truck Campers
37
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