The motorhome 120/240 Volt AC system can be operated from three
different power sources. Shore power is the most efficient and should be
used whenever possible. The on board generator has a limited amount of 120
Volts AC output power. This can be used when shore power is unavailable.
The inverter/converter supplies silent AC power by using the motorhome’s
house batteries. This source has limited AC power output and should be used
sparingly.
The motorhome’s main 120 Volt AC circuit breaker panel is supplied with
power from two different sources: The 50 amp shore power cord or the on
board generator. The selection of the power source being used is done auto-
matically by using an automatic electrical switching device known as the
transfer switch.
The power requirement for the motorhome is 50 amp 120/240 Volt AC
single phase. If a 50 amp shore power service is available, the motorhome can
be directly plugged into the 50 amp shore power source with the supplied
shore power cord located in a roadside compartment of the motorhome. If a
50 amp service is not available, proper electrical adapters will be required to
convert the end of the 50 amp shore cord into a compatible type of connection
for the available receptacle. When plugged to anything other than a 50 amp
service, appliances and other AC loads will have to be operated in sequence.
NOTE: In many instances 50 amp shore service may not be
available. Therefore, care will have to be taken when drawing
power from multiple appliances and outlets so that the shore
power service will not become overloaded. Use only power
cords which are rated at 50 amps. Avoid using extension cords
when connecting the motorhome to shore power. In most cases,
extension cords are unsafe and inadequate for carrying the
level of current required by the motorhome.
The power cord reel is a 12 Volt DC motorized assembly which will
mechanically oil and stow the shore cord. The 50 amp power cord reel is
located in the roadside compartment of the motorhome. The other end of the
cable master power cord is wired directly to the transfer switch. The motor
control switch is labeled IN and OUT, this switch operates the 12 Volt DC
motor.
When extending or retracting the power cord, turn the switch to the direc-
tion desired. Assist the cord, following the direction of travel. Extend only as
much power cord as necessary for reaching the outlet. The cord should not
be taut but slightly slack.
Electrical Systems - House
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WINDSOR
8•189
INTRODUCTION
Power Cord Reel
(Optional)
Shore Power
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