2011 Canyon Star
Class A
by Newmar
5:3
ELECTRICAL SYSTEMS
General Information
There are two electrical systems in your coach. They are the 12 volt DC system and the 120 volt AC system. Most
standard appliances require 120 volt electricity while the majority of the lighting used in recreation vehicles is
powered by 12 volt electricity. The power for the 12 volt system is supplied by the coach batteries, which are
charged by two 45 amp power converters. The power for the 120 volt systems is supplied by the power cord when
the unit is connected to an outside power source or by the generator. If installed, the optional inverter can also
supply 120 volt power. It will transform 12 volt electricity from the batteries into 120 volt power for basic
appliances.
CAUTION
Failure to turn off the 120 volt appliances when starting or stopping the generator may damage the transfer switch
and/or electrical appliances.
WARNING
Use of “Adapter” cords with the RV shore power cord.
All Newmar units are manufactured with either a 30 or 50 amp electrical breaker box and electrical system. A unit with
a shore power cord that has 3 prongs on it has 30 amp service; if the shore power cord has 4 prongs, it has 50 amp
service. To provide the correct amperage into the RV and to assure the operation is as designed, it is important that
they be plugged into the correct type of properly grounded receptacle. The receptacle
MUST
be properly grounded to
insure safe, proper operation of all electrical components.
NEWMAR CORPORATION DOES NOT RECOMMEND USE OF “ADAPTER”, “CHEATER”, OR “DOG BONE”
STYLE CONNECTORS THAT WILL MODIFY THE EXISTING SHORE POWER CORD TO A DIFFERENT STYLE OF
OUTLET. USE OF THIS TYPE OF ADAPTER WILL GREATLY REDUCE THE AMOUNT OF AVAILABLE CURRENT
IN THE UNIT, AS WELL AS CREATE THE POTENTIAL FOR ELECTRICAL FAILURE AND / OR FIRE. NEWMAR
CORPORATION CANNOT ASSUME LIABILITY FOR FAILURES OCCURING TO THE RV, ITS ELECTRICAL
SYSTEM, OR ANY OF ITS COMPONENTS FROM THE USE OF ANY ELECTRICAL ADAPTER.
Breaker Boxes
The 120 volt and 12 volt breaker boxes are generally located in the overhead cabinet on the rear bedroom wall.
Circuit breakers and fuses are installed to protect the electrical system from overloading. Do not attempt to change
the circuitry or add appliances yourself. Please consult an authorized Newmar Service Center.
Batteries
The chassis batteries on your motorhome are installed and warranted by the chassis manufacturer. The four 6 volt
coach (or house) batteries on your motorhome are installed by Newmar Corporation, but warranted by the battery
manufacturer. These batteries are used to operate the 12 volt items that are not a direct part of the chassis. They
are located on a pull out tray in an outside compartment.
CAUTION
Do not use the motorhome with the coach batteries disconnected.
Summary of Contents for Canyon Star 2011
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