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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 over-
heating 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 ow.
To reduce converter heat build keep unnecessary 12-volt lights and motors turned o. Keep
the converters cooling ns and fan clear of obstructions.
. Car batteries (CCA
rating) are not designed for RV applications.
If using multiple batteries they must be the same brand and type. Adding more
batteries will provide longer use of DC appliances when not on shore power but
may reduce charging eciency.
The battery works in conjunction with the converter to supply DC power to the
RV. A battery is typically only necessary if you do a lot of dry camping or have
slideouts and/or a leveling system.
Reverse polarity fuse provides protection for the converter when a battery is used.
If the battery is connected backwards to the fuse board this fuse would blow pre-
venting damage to the converter.
Dimming or ickering lights usually indicates an overloaded converter. Remove
some of the load by turning o DC lights or appliances.
Fan is controlled by load. It will begin running at 3 to 6 amp DC draw. It increases
in speed with a higher load until 14 to 15 amps. Fan is at maximum speed and
stays there even with more load. If load drops below 6 amps DC, the fan shuts o.
Before checking for converter output voltage, the battery cables must be disconnected at the
battery. Make sure the converter is plugged into an AC source (105-132 AC volts). Check
the converter output voltage at the battery with a voltmeter. Place the voltmeter probes on
the disconnected battery cables. If the voltage reads 13.6VDC with no load, the converter
is functioning properly.
If the converter output voltage at the battery reads in the 0.0VDC range, or the battery is not
charging, check for:
An open inline fuse in the battery wire
An open wire between the converter and the RV battery
Loose ground connection
Improper torques
If the converter fuses and AC voltage are good, but the converter output still reads zero volts,
the converter is not functioning prope
13.6VDC range. Batteries are being charged, just at a slower
rate. Converter will not work without AC input.
To get your converter into this mode, reduce the load on the system to
almost nothing but the battery. Let the system sit for approximately 44 hours.
It is important that the uid level of any connected batteries be checked on a
regular basis. All batteries will “gas” and lose some uid when continuously
connected to any charging source (does not apply to “gel-cell” batteries).
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