JAYCO TOWABLE SECTION 6 - ELECTRICALSYSTEM
6-3
GFCI RECEPTACLE OUTLET
Grounding is your personal protection from electrical shock. Each RV has a
ground fault current interrupter (GFCI) engineered into the electrical system. This
device has been designed to reduce the possible injury caused by electric shock.
The GFCI will not protect against short circuits or circuit overloads.
Test all GFCI receptacles monthly
Push in the GFCI “TEST” button. The GFCI “RESET” button should pop out
indicating the GFCI receptacle has been “tripped” and interrupted 120-volt
power.
Push in the GFCI “RESET” button to restore 120-volt power. Contact your
independent dealer for assistance if the GFCI “RESET” button does not
restore 120-volt power and pops back out.
A “tripped” GFCI receptacle indicates that abnormally high 120-volt current flow (a
ground fault) was detected through the electrical system grounding circuit. A fault
condition can be caused by faulty wire insulation, wet wiring inside an appliance,
or faulty electrical equipment connected to the circuit, etc. All ground faults must
be repaired before use of the RV.
12-VOLT DC SYSTEM
The majority of your RV lighting is powered by 12-volt electricity. The 12-volt DC
system is composed of components that will operate when the following conditions
are met:
□ Power is supplied by the tow vehicle alternator when the engine is running
and the 7-way trailer plug is connected. This powers the RV’s running lights,
brake lights, turn signals and brakes. In addition, the 7-way trailer plug
provides a common ground and a 12-volt charge line to charge the auxiliary
battery.
□ The converter will supply interior 12-volt DC power when the power cord is
plugged into campground power. The converter will also charge the RV
battery in most situations.
□ The auxiliary battery powers many interior 12-volt components including the
lighting fixtures, water pump, 12-volt motors, 12-volt appliances, etc. It also
powers the breakaway switch.
AUXILIARY BATTERY (CUSTOMER SUPPLIED)
Your RV has many 12-volt DC loads. When combined, their total is more than the
converter can produce. High demands for 12-volt power can be met by an
auxiliary battery for limited periods of time. The 12-volt DC electrical system is
designed for usage with a Group 27, deep cycle battery.
Dry camping
Consider the charge condition of the auxiliary battery when dry camping. If the
auxiliary battery is not being recharged and power is being drawn from it, it will
eventually discharge. A battery will discharge at a faster rate as its energy level
becomes depleted. It is recommended you plan your electrical usage accordingly.
For accuracy, test the auxiliary battery voltage using a volt-ohm meter (customer
supplied).
A fully charged auxiliary battery will read 12.7 volts DC and 1.265 specific gravity
at 80°F (32°C). The auxiliary battery is considered discharged at 11.8 volts, and
dead at 11.65 volts.
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