Section 6: Electrical; The Electrical System; 12-Volt Dc System - Jayco TOWABLE 2024 Owner's Manual

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SECTION 6: ELECTRICAL

THE ELECTRICAL SYSTEM

The RV electrical system is comprised of two independent electrical
systems. One operates off of 12-volt DC power and the other
off of 120-volt 60hz AC power. All installations have been made
in compliance with industry standards applicable on the date of
manufacture. Because the electrical equipment and associated
circuitry are engineered into a dedicated system specific to your RV,
do not make unauthorized changes or add fixed appliances to it.
Changes or additions made after delivery may result in a hazardous
condition.
Service and/or modification of the electrical system should only
be performed by qualified electrical technicians using approved
materials, components, and methods meeting current safety and
code requirements. Consult your dealer's service department for
assistance.
To read more about the various components incorporated into the RV
electrical system, please refer to the information contained in your
Customer Information Packet.
Electrical System Maintenance
(See page 53)
Before working on the electrical system:
Make sure the inverter/charger (if equipped) is turned "off" before
disconnecting batteries.
Disconnect the shore power cord.
If equipped with a generator, turn off the generator and disable
the automatic generator start functionality.
Turn off the disconnect switch (if equipped).
Turn off the 120-volt main circuit breaker.
Disconnect the negative battery terminal from the battery.
Page 38
ELECTRICAL

12-VOLT DC SYSTEM

The majority of RV lighting is powered by 12-volt electricity. The
12-volt DC system 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.
12-Volt Fuse Panel
The 12-volt fuse panel is labeled to indicate fuse sizes, positions and
the components powered. Fuses are located in the load center.
Replacing a fuse
Before replacing a fuse, always turn off the electrical
components protected by it.
1.
Disconnect the shore power cord.
2.
Turn "off" the inverter (if equipped).
3.
Disconnect the negative battery terminal from the battery.
4.
Remove the fuse panel cover to check fuses.
5.
Pull the fuse straight out of the fuse block.
6.
Insert a new fuse of the same specified voltage, amperage rating
and type in the original location.
(See page 53)
U
Y
NIVERSIT

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