VI. WIRING TO THE BATTERY
In most cases, the recreational vehicle will be provided with a
12 VDC receptacle which is wired to the battery circuit,
usually a cigarette lighter. Insure that during storage, when all
12 volt loads have been shut off, that the manufacturer
supplied receptacle maintains a path to the battery.
If a receptacle is not provided, one can be obtained from
almost any auto supply or recreational vehicle supply retailer.
To protect against wire damage and fire, a fuse must be
provided in the receptacle wiring. Recommended
maximum fuse size is 5 amps, minimum fuse size is ½ amp.
This fuse protects the wiring between the battery and the
receptacle. (A ½ amp fuse is provided in the male plug on the
20’ connector cable assembly to protect wiring to the solar
panel.) Insure that the receptacle is covered or otherwise
protected against accidental insertion of any conductive
material during storage. Allowing a conductive material to
enter the receptacle would create a short circuit which would
result in a blown fuse.
Route wires to the battery so as to avoid chafing or pinching
and secure all wiring to avoid loose wires which might be
snagged during travel.
VII. OPERATING INSTRUCTIONS
Airxcel, Inc. supplies custom engineered photovoltaic systems
using the highest quality components available. To enjoy the
maximum benefit from your solar maintenance system, please
take a few moments to read the important information in this
section.
The Problem
When not in use over a period of time, the house battery for a
motor home will naturally “self-discharge”. This is true even
when the battery disconnect switch is open, preventing any
power draw. Batteries allowed to self-discharge can result in
“sulfation”, a condition which results in permanent damage,
decreasing the effective life of the battery. It is not always
convenient to run power for battery maintenance to where a
motor home is stored, and it is even less convenient to remove
and relocate the battery each time the motor home will be
stored.
The Solution
Your solar electric maintenance system provides an ideal
method of keeping your battery maintained during storage.
All that is required to keep a full charge on the house battery is
for your RV to be stored where the solar panel is exposed to
direct sunlight. When kept properly charged, your house
battery will provide many years of trouble-free performance.
Operation
Your solar maintenance system will operate any time the solar
panel is exposed to sufficient sunlight and the connector cable
assembly has been connected between the ceiling assembly
and the battery receptacle. If your RV is equipped with a
battery disconnect switch, be certain that it is open (in the
“disconnect” position) while the motor home is stored. This
will insure that the solar maintenance can continue to charge
the house battery without a power draw from lights,
appliances, etc.
Your solar maintenance system cannot overcharge the battery.
To activate – first connect the 20’ connector plug into the
ceiling assembly and verify that the male 12V plug indicator
illuminates. Next, temporarily disconnect the plug and
connect the 12 VDC male plug into the battery cable
receptacle to verify by the lighted indicator on the plug, that
there is a good connection to the battery. After verifying the
connections, reconnect the ceiling assembly. The solar panel
will now automatically charge the battery during sunlight. A
blocking diode prevents battery “back feed” into the solar
panel at night.
How Your System Works
Solar electric generation (technically known as photovoltaic
power) is the technology of producing electricity directly from
sunlight. Your solar charging system is 100% “Solid State” –
meaning that there are absolutely no moving parts when solar
charging occurs.
This maintenance kit provides a single 5 watt solar panel
mounted on top of the Coleman®-Mach® air conditioner
shroud, located on the roof. This panel generates enough
power to maintain the charge on your house battery at its last
operated charge value only during storage, but is self-
regulating in power output to prevent overcharging the battery.
Your solar panel will operate even on cloudy days or with
partial shading, although the amount of charging power
generated will be reduced.
In total darkness, the solar panel and monitor will not
discharge the battery in any manner because of our special
circuit design.
Maintenance
Your solar panel is virtually maintenance free. Occasional
cleaning of the solar panel will assure optimum performance.
Simply use the same product used for cleaning your
windshield, avoiding harsh chemicals. During winter months,
accumulation of snow will reduce the effectiveness of the
panel and should be carefully brushed away. No other
maintenance is required.
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