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Old 10-08-2012, 04:21 PM   #1
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Reverse inverter?

My Class B Falcon 190 has an electrical complex on the floor behind a metal door. It has a couple of fuses, spade type, and whirs and hums on occasion when on shore power.

I'm guessing that the 110VAC shore power goes to that affair and

1: is distributed to the 110VAC outlets and appliances, and

2: some is converted to 12VDC to charge the house battery.

So that in effect what that is is a 12VDC battery charger without a case.

I guess I'm asking if that's true.

My interest is that it's 25 years old and I"m wondering if it ever failed I could tear out the battery charger function and wire a small battery charger into the 110VAC circuit and connect the 12V wires to those running to the house batteries (12V).

It may be that setup does something else, or more, and a person would have t figure out what it's called and buy another one somewhere. But if it's not more complex than that a replacement may not be all that complicated or expensive.

However, I'm prone to overlooking inconvenient facts. Is there something here I haven't seen?http://www.irv2.com/forums/images/icons/icon5.gif

Thanks.
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Old 10-08-2012, 04:34 PM   #2
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I have never had one go bad. You have a battery charger per say but it is built and rated to be continuous duty. Refrigerators, water heaters, furnaces, and roof AC's are controlled all by 12 volts even when you have them running on propane(fridge, water heater and furnace). This is quite a bit of charging going on not even counting the lights and water pump. Most of these also distribute 110volts and house the breakers in the same cabinet. It is much more than just a battery charger. If mine needed to be replaced I would replace mine with what I have or better for safety. Count up the amp ratings on all of your 12v fuses and you might be surprised. A car doesn't have near as much electrical draw of a camper but it takes a alternator of 100amps or better to run it.JMHO
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