Electrical Control Center Owners Manual
Your R.V. is equipped with the very latest and most advanced Electrical Control System. Your new Electrical Control Center is designed as a combination distribution panel board/power converter. The distribution panelboard gives you overcurrent protection for all the 120 VAC wiring in your R.V. The power converter changes the incoming 120 VAC down to a safe 12 VDC to power your interior lights, fans, pumps, etc.
On most R.V.’s the 120 VAC panelboard is equipped with a 30 amp main breaker and 3 or more branch circuit breakers. On some R.V.’s with only 2 branch circuit breakers there might not be a main 30 amp breaker. When you plug your R.V. into 120 VAC power the panel-board distributes the power to your air conditioner, power converter, refrigerator, and other 120 VAC receptacles and appliances through-out your coach.
POWER CONVERTER OPERATION ON 115 VAC
The power converter section of the Electrical Control Center consists of 2 separate modules. The transformer module and the 12 volt distribution panel. The transformer module contains the transformer (some units have dual transformers) that reduces the 120 VAC down to 12 VAC. It also contains the rectifiers or diodes that change the AC to DC. The 12 volt distribution panel contains the power switch that changes the R.V. from battery power to transformer power and also contains the individual 12 VDC fuses for all the 12 volt circuits from the converter. The removeable printed circuit board for the battery charger is also housed in the 12 volt panel. Your power converter may be equipped with an automatic or a manual power changeover switch which is located in the 12 volt distribution panel. On converters equipped with the automatic power switch you will hear a “clicking” when the transformer is energized by plugging the R.V. into 120 VAC power. The cocking sound tells you the converter is working. On converters equipped with the manual power switch you will have to press the rocker switch to the TRANSFORMER position when you plug your R.V. into 120 VAC power. When either the automatic power switch or the manual power switch is in the TRANSFORMER position, all the 12 volt lights, fans, etc., are operating directly from the rectifier of the converter. In this condition the battery is held in reserve and cannot be discharged. The battery will be charged in this condition if the converter is equipped with the optional battery charger.
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