12 volt question - Fiberglass RV


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Old 05-08-2012, 06:54 PM   #1
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12 volt question

I have some 12 volt lights and a Fantastic fan in my 1972 Boler 13. They were hooked up to a 12 volt car battery that I just recycled. My battery charger went belly up also. We are always on 120 ac so I'd love to power the 12's that way. So what are some options here?
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Old 05-08-2012, 06:59 PM   #2
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You need a power converter - 120 volts AC to 12 volts DC. Any RV place sells 'em.
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Old 05-08-2012, 07:16 PM   #3
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Or, if you don't ever expect to get a battery & the only thing you want to power is the fan, a less expensive solution would be a 120V to 12V power supply. It needs to provide enough current for the fan - if you give them a call at 800-521-0298 with your model number they can tell you what the maximum current would be. I believe they also sell a 120 to 12 volt converter made for their fans...

If you are also going to power lights (particularly incandescent) than the RV converter is probably the beat way to go.
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Old 05-08-2012, 07:26 PM   #4
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Power Converter

I got a power converter of off ebay for around $100, it is a WF-8935
35 amp. so far so good it works good, I have my interior lights, over the range fan and roof fan and can work them all at the same time.

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Old 05-08-2012, 09:10 PM   #5
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I've seen those before and wondered if they would work. Would one of these do the trick? How many amps?
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Old 05-09-2012, 06:35 AM   #6
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I've seen those before and wondered if they would work. Would one of these do the trick? How many amps?
Definitely ! You will appreciate the automatic variable fan speed at night, it is quieter. The amount of amps depends on the the accessories you want to use, considering the limited battery power.

I think the 30A version is enough for a very small RV. If you are planning to hook on 120V for extended periods, the battery wizard option would prevent your battery from overcharging.
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Old 05-09-2012, 10:34 PM   #7
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This would work but you do need a distribution panel to distribute the power to different circuit.

Salut Quebec!


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Old 05-10-2012, 12:24 PM   #8
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Is a distribution panel necessary for 3 lights and a vent fan?
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Old 05-10-2012, 12:27 PM   #9
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Is a distribution panel necessary for 3 lights and a vent fan?
NO it's not.
But the lights and fan should be fused separately. In-line fuses will work just fine.
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Old 05-10-2012, 08:33 PM   #10
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I personnaly would not go without a distribution panel, It's More organized and if you decide to add a circuit it's easy, But Byron is right, you can hardwire it with an inline fuse.
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