ELECTRICAL SYSTEMS-HOUSE - 8
140
CAYMAN 2007
HOUSE ELECTRICAL - INTRODUCTION
This section contains guidelines, procedures
and information that will assist in understanding
the domestic electrical system and the operation
of various components. Refer to the OEM
manuals included in the Owner’s Information
File box for their respective, in-depth
component operating instructions.
General Overview:
The motorhome can utilize various sources
of electrical power: shore power connection,
generator, inverter (optional), chassis batteries
and domestic batteries. All of these electrical
power sources, while independent of each other,
can be combined in a variety of ways to provide
a highly effi cient electrical operating system.
Two types of electrical systems are used:
120/240 Volt AC and 12 Volt DC.
The motorhome 120/240 Volt AC system can
be operated from three different power sources:
shore power, the on-board generator or the
inverter (optional). Shore power is the most
effi cient and should be used whenever possible.
The generator can be used when shore power
is unavailable. The inverter (optional) supplies
silent AC power using the house batteries of the
motorhome. However, the inverter AC power
output is limited and should be used sparingly to
conserve house battery power.
Two different sources supply the main AC
circuit breaker panel with power: the 50 Amp
shore power cord or the on-board generator. The
power source used is automatically selected by
a switching device known as a transfer switch.
The inverter (optional) supplies AC power to the
sub-panel.
WARNING:
The electrical system is engineered
and tested for complete safety. Circuit
breakers and fuses protect the electrical
circuits from overloading. When
planning modifications or additions
to the electrical system, we strongly
recommend consulting a dealer for
assistance to ensure continued integrity
and safety of the electrical system.
Please note that any modifications may
void the warranty.
WARNING:
Water is electrically conductive. DO
NOT use any electrically powered item
or electrical outlet that may be exposed
to a water source. Such use can result in
a serious shock causing injury or death.
The motorhome has two 12 Volt DC systems:
chassis and house. These two systems, for the
most part, are separate from one another. The
house system does not operate engine functions;
the engine system does not operate house
functions. However, within the two systems
there are some inner connections.
For example:
While the motorhome is driven the alternator
on the engine will charge the house batteries.
Likewise, while the motorhome is plugged into
shore power, or the generator is running, the
engine batteries are being charged. Each system
will supply 12 Volt DC power to the 12 Volt DC
distribution panels.
The chassis and house systems have their own
sets of batteries. The chassis batteries supply 12
Volt DC power to the front distribution panel
located outside in the front roadside bay. This
panel contains mostly engine system circuits and
wiring such as headlights, taillight, dashboard
functions, gauges, etc. The house batteries
supply 12 Volt DC power to the distribution
panel located in the bedroom. This panel
contains fuses for the house, interior lighting and
appliances. Become familiar with these panels
and the items they operate.
With all the technological advancements
taking place in the past several years
manufacturers have now incorporated
electronics into these systems. It is important to
keep the 12 Volt DC systems in good working
order. These systems, with their incorporated
electronics, are voltage sensitive. Some items
can be damaged if the DC voltage is not
maintained within the designed specifi cations.
A majority of the lighting and appliances are
designed to operate from 12 Volt DC (direct
current) power. This is why the batteries
play such an important role in the function
of the motorhome. There are exceptions with
appliances such as the microwave or television.
The chassis functions (engine, transmission,
dash air, etc.) are also 12 Volt DC.
Shore Power:
The motorhome is equipped with a shore
power cord to connect the motorhome to outside
electrical services. Shore power service is the
most effi cient source of electrical power. The
plug end of the shore power cord is 50 Amp,
240 Volt AC. When this type of power service
is not available, electrical adapters are required
to allow a proper and safe connection to the
electrical service supply.
Содержание CAYMAN 2007
Страница 12: ...GENERAL INFORMATION 1 CAYMAN 2007 8 NOTES...
Страница 14: ......
Страница 16: ......
Страница 52: ...DRIVING SAFETY 2 CAYMAN 2007 48 NOTES...
Страница 80: ...EXTERIOR INTERIOR CARE 3 CAYMAN 2007 76 NOTES...
Страница 100: ...APPLIANCES 4 CAYMAN 2007 96 NOTES...
Страница 132: ...WATER SYSTEMS 6 CAYMAN 2007 128 NOTES...
Страница 160: ...ELECTRICAL SYSTEMS HOUSE 8 156 CAYMAN 2007 NOTES...
Страница 226: ...INDEX 222 CAYMAN 2007 NOTES...