electrical issues 78 surfside - Page 2 - Fiberglass RV


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Old 05-10-2013, 04:04 PM   #15
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Hmmm...never heard of Powertron 'til this minute...but a search of the site indicates that others have. Here's a link to a discussion of one model: Link.

Frankly, though, you might be better off just replacing it, or even bypassing it.

Some folks pull converters out altogether and run the 12v systems directly from the battery. When on shorepower they just hook up a charger directly to the battery, in effect constantly replenishing any power drawn off while charging is going on.

I don't know the logistics of fusing etc. that might be involved with this solution, but there are plenty of folks here that do!


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Old 05-10-2013, 05:23 PM   #16
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I don't see anything on the mfg tag that sez anything about being an Inverter, i.e 12 VDC to 120 VAC. And, in 1978-79, an inverter was a huge box with lots of expensive parts therein.

I vote that what you have is a 9 amp 120 VAC to 12 VDC converter.
To do it up right you might want to Google the Progressive Dynamics PD4045 power chassis. I have installed many of them in older RV's with excellent sucess.
They are available on-line for less than $160.00
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Old 05-10-2013, 05:33 PM   #17
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What exactly is it about the first three words on top of the label that says anything about inverter? Unless my eyeglass prescription is up for renewal, I'm reading "Recreational Vehicle Converter". I don't see "inverter" listed anywhere on the tag, but maybe it's just me...

Please don't take this as a confrontational commentary, as this is not what I am saying, but one that just clears up the component's real function. It is a Converter, not an inverter, which, in electronics, really does make a world of difference. They are absolutely apples and oranges.
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Old 05-10-2013, 06:48 PM   #18
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Originally Posted by Bob Miller View Post
I don't see anything on the mfg tag that sez anything about being an Inverter, i.e 12 VDC to 120 VAC. And, in 1978-79, an inverter was a huge box with lots of expensive parts therein.

I vote that what you have is a 9 amp 120 VAC to 12 VDC converter.
To do it up right you might want to Google the Progressive Dynamics PD4045 power chassis. I have installed many of them in older RV's with excellent sucess.
They are available on-line for less than $160.00
I agree. If there is an inverter, it is a separate device.
I also agree that this primitive old piece could readily replaced by a much better converter.

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What exactly is it about the first three words on top of the label that says anything about inverter?
Nothing - that label on the back does say only "converter". Jeremy says that the "inverter" label is on the front:
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Originally Posted by jrocmagoo View Post
Its made in manitoba this is the back panel the front says inverter by the 120 plug built in
Could the label on the front be someone's incorrect addition, or a label for an outlet powered from a separate inverter which might have been installed later? How about a photo of that one, Jeremy?
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Old 05-10-2013, 09:05 PM   #19
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Originally Posted by jrocmagoo View Post
Its made in manitoba this is the back panel the front says inverter by the 120 plug built in

Attachment 58923
Now, I get your "problem" thru your picture and if my eyes are still OK, this is what I read: 1/ Converter-could be an inverter in other part, not in your posted photo-2/ Output: 12VAC, remember 12V-AC, not DC-No wonder your good fan humming and couldn't turn because it is designed to work with 12VDC, not 12VAC, Buddy. My own conclusion: Unless there is other part which is an INVERTER of your Combo device, no way your fan could work on this...Converter output, because it gives out 12VAC only without RECTIFIED to become DC. All your car bulbs with be OK but not with fan, horn or other relay related automobile devices. The manufacturer didn't do no wrong, the device is good for it's main purpose design. Your fan is good. The problem is your EYES in need of check up, no more mistake b/t 12VAC and 12VDC, Buddy!.,.Hopefully it helps.
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Old 05-10-2013, 09:50 PM   #20
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...Based on your posted photo, your "converter/inverter...whatever people named it" is in fact a SOLELY TRANSFORMER. One way input 120VAC, output will be 12VAC or reversely, input on the other end is 12VAC, output will be 120VAC. It's just simple like that and no way in correct electrical terminology, it would be called either converter or inverter. And I guess if your output is 12VAC,-9Amps, the input must be 120VAC, around 1.5 to 2 Amps only. Again, no wonder all your car light bulbs will work perfectly, but your "good" fan is humming without turning and your stereo blew the fuse everytime you put the new one in. That stereo is designed for 12VDC, sensitively IMO unlike light bulbs or fan/horn with bigger gauge of wire so their fuses would be OK even if they are not working. Your stereo fuse will endure a maximum current of 12VAC is in fact 12x1.7321 of whatever it is in case of 12VDC, no wonder it blew all the time. Just my thought, though...
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Old 05-10-2013, 10:43 PM   #21
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Good spot on the 12 VAC, Can't say I have ever seen that in an RV before. Pretty much useless for anything except incandescent lights. I hereby rescend my earier vote if that label is correctomundo...
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Old 05-11-2013, 12:57 AM   #22
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Seems to be a popular post,lol,thanks for all the tip and this whole converter inverter thing is so confusing but i will take a betterpic of the front after. I bought an intellipower 9130 today from jubilee rv in kamloops (the price was worth the two hour drive) install will be tomorrow!
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Old 05-11-2013, 10:05 AM   #23
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The 9130 is a good converter for updating existing systems, but it doesn't give you any AC or DC distribution or additional fuses for DC circuits as does the PD-4045, for just a few more $$ CDN
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Old 05-11-2013, 01:49 PM   #24
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I bought a seperate 8 way 12v fuse panel and i only need one 120 outlet so i bought a fused one, the converter was $150 less then the next model up and i saved 70 going to kamloops instead of staying in Kelowna
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Old 05-11-2013, 02:38 PM   #25
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I know you are in Canada, and that presents problms for importing elect. stuff. But.... Frank Bear sells the PD-4045 for less than $160 here:

Teardrop Trailer Parts

But all is fair in turnabout. I had to pay about $35 in import fees for $70 worth of new decals from BigFoot.
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Old 05-11-2013, 07:57 PM   #26
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All hooked up and working! Still need to hook up the batts!
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Old 05-11-2013, 08:11 PM   #27
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Hooray!

Is it powering the fan and stereo all right?

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Old 05-11-2013, 10:07 PM   #28
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All good!
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