SECTION 6 – 30 AMP ELECTRICAL SYSTEM CLASS C MOTOR HOME
GH/M 6-4
Occasionally the electrical service provided by a campground may experience low
or high voltage (i.e., surges or spikes). Any prolonged exposure will shorten the
life of the electrical system and appliances. Consult your dealer for
recommendations
on power surge protection.
Connecting the power cord
Always test the 30 amp external power source (i.e., the campsite power receptacle
or electrical box) with a ground monitor before connecting your power cord to it. If
the ground monitor indicates 'reverse polarity' or an 'open ground' DO NOT
connect the power cord.
1. Turn “off” the load center main 30 amp 120-volt circuit breaker.
2. Carefully extend the entire length of the power cord (approximately 25’-35’)
from the electric cable hatch to the external power source.
3. Plug the power cord into the receptacle. Be sure all the power cord prongs
are properly plugged into the receptacle.
4. Return to your motor home and turn “on” the load center main circuit breaker.
5. To help prevent power surges from damaging the connected loads, please
follow these instructions when hooking up to the external power source:
The shore line power cord should be unplugged when the motor home is left
unattended. If something would happen to the electrical system, this may
help limit potential damage.
When you are ready to leave, reverse the power cord connection process. Use
care to prevent damaging the power cord electrical connection pins when
connecting or disconnecting the shore line power cord. Grasp the plug to remove
the power cord from the outlet; do not unplug it by pulling on the cord.
Maintenance
Inspect the power cord for cuts, cracks and worn insulation. Have the power cord
replaced immediately if these symptoms are noticed.
POWER CONVERTER
The power converter converts 120-volt AC power to useable 12-volt DC power
when the shore power cord is connected to an external power source.
The converter has a built-in protective thermal breaker that will shut it down should
overheating occur. Overheating can be caused by operating the converter above
its maximum power output for an extended period of time, or by an obstruction to
its ventilation air flow. To reduce converter heat build keep unnecessary 12-volt
lights and motors turned “off”. Keep the converter cooling fins and fan clear of
obstructions.
Inspection and maintenance
If the 12-volt power converter is not working (auxiliary battery not being charged)
check the reverse polarity fuse(s) located on the end of the converter.
WARNING
The power cord must be fully extended when in use and not left coiled in the
electrical compartment or on the ground. If the power cord is left coiled, it may
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