ELECTRICAL SYSTEMS-HOUSE - 8
151
CAY M A N 2 0 0 7
DISTRIBUTION PANEL - HOUSE 12 VOLT DC
The 12 Volt DC house distribution panel (located
in the bedroom) contains fuses that protect the
electrical circuits. These fuses are a standard
automotive type.
Fuses
The 12 Volt DC fuses, located in this
distribution panel, service the interior house
lighting, ventilation fans and monitor panel.
Should a fuse blow it will be evident by the
broken metal strip located in the center of the
fuse. Replacement fuses should be of the same
amperage. If a higher rated fuse is installed it
can damage the wiring. Fuse current set points
follow much of the same electrical principle
as the 120 Volt AC breakers. Using 12 Volt
DC as the electromotive force can make it
more susceptible to outside in uences, such as
corrosion from weathering or oxidation.
The danger
from shocks with
this voltage is
minimized, but can
still occur. A good
example is when
a magnetic eld
is generated, then
collapses when the
power supply is cut.
The result is
a discharge that
can reach tens of
thousands of volts
for a short time
period. Care should
be used when
working with this
voltage as current
values can be quite
high, as in the case of battery cables.
Shorting a battery cable to ground with a
battery at a reasonable state of charge can result
in a re or serious personal injury from a burn.
House Batteries
House batteries are designed for use with 12
Volt DC operated lights and appliances. The
alternator and converter maintain and charge the
house batteries.
Converter: converts 120 Volt AC power
from shore power or the generator into
12 Volt DC for battery charging.
Alternator: when the engine is running,
the alternator maintains the chassis
battery voltage. When chassis battery
voltage reaches approximately 13.5
volts, a solenoid is engaged (located in
the front distribution box) which allows
the alternator to maintain house battery
voltage.
NOTE:
The alternator is not a battery charger.
It is designed to maintain proper
electrical system voltage. Low battery
State of Charge (SOC) or a dead
battery may overheat and damage the
alternator.
CAUTION:
Many types of petroleum based products
or battery by-products can damage the
paint finish. DO NOT allow these types
of chemicals to get on the paint finish.
If chemicals do splatter onto the finish,
rinse the surface immediately with
plenty of water and a mild automotive
detergent.
AMPERAGE COLOR
1 BLACK
2 GRAY
3 VIOLET
4 PINK
5 GOLD
7.5 BROWN
10 RED
15 BLUE
20 YELLOW
25 CLEAR
30 GREEN
ATC Fuse
060086B
060273
To Next Page
Loading...