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Old 01-28-2007, 01:11 PM   #15
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Quote:
Originally Posted by SilvrSausage
Chuck, sounds like you have a LOW voltage issue, not dirty. How does that battery test out? Have you measured what the voltage is doing when the devices drop out?
could be...doesn't seem to last long, thats for sure. first battery I had, I made the mistake of leaving it plugged in too long, and probably cooked it. Brought it back and got a pro-rated replacement (sears...that could be yet another mistake...I don't know ), and this one has never been left to cook...I check the water regularly, etc, etc...
yet, I don't have to turn much on in the trailer to see the voltage at the battery terminals get surprisingly low. Looney-volt seems to be putting out around 13.5v when its plugged in.
from the way it acts, I wouldn't be surprised if a load test showed "junque". but why? even if the UV is putting out the correct voltage, could it still be "mis-treating" the battery in such a way as to cause an untimely demise?
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Old 01-28-2007, 01:48 PM   #16
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Originally Posted by 68 Overlander
Chuck,
You are indeed describing low voltage and if you have a battery connected, it too must be low too for those symptoms to occur. One easy way to tell is to connect a household battery charger to the battery. If it is capable of holding a charge and there are no bad cells, those problems should go away, even during charge.
didn't see this before my last post...

TV seems to work fine as long as we're on shore power; but I believe the radio has had the same behavior regardless. main point was that newer "stuff" is more sensitive.
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Old 03-02-2007, 08:08 PM   #17
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I am putting a new dsi/gas water heater in and am now worried that I may have problems with the old univolt messing up my circuit board. What do you think?

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Old 03-02-2007, 10:35 PM   #18
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The RV500 heater I put in had very stern instructions not to connect it to an unfiltered 12V source, I think (would have to check the manual) that it was more than 1V AC on the line.

My converter without a battery puts out 5V AC on the 12V terminals...
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Old 03-02-2007, 10:40 PM   #19
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I changed my stereo and it is causing considerable static. I am taking it as a sign to change the 40 year old univolt to a three stage charger....
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Old 03-03-2007, 06:30 AM   #20
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Quote:
Originally Posted by Gen Disarray
I changed my stereo and it is causing considerable static. I am taking it as a sign to change the 40 year old univolt to a three stage charger....
I think that is a good move..............................................
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Old 03-03-2007, 06:37 AM   #21
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5 VAC on 12VDC? that means your "DC" Voltage could be fluctuating between 14.5(too high) and 9.5 (too low) actually it will be a little more than that since most meters do a Root Mean Square on the the AC.
Time for a new converter.
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Old 03-03-2007, 08:42 AM   #22
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Quote:
Originally Posted by thecatsandi
Yes,
The battery will dampen the fluctuations of the Univolt. A Big capacitor from a electronics "junk" place could do the trick as well. However you have to be careful. They can store a large charge and really hurt you.
Yes, I believe the cartoon caption read "Harold accidentally discharged the capacitor and then himself discharged!"

Rod, Chuck, Alan, let's make March "Get a new converter" month! The amount of posts that end up with that phrase has been surprisingly large of late. It IS good advice. We did it last year and I love the new converter (it was a two stage manual Iota, 45 A). Anyone who is on the fence, it is a great $150-$250 investment to make your trailer better right now.
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Old 03-04-2007, 04:55 PM   #23
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Good point. How tough is the install, as far as the circuit creakers and so on? My univolt is working ok, but still they are all so buzzy.
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Old 03-04-2007, 07:04 PM   #24
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Alan,

You can get a new converter with a new fuse panel and breaker box attached, and the transfer of the circuits is quite straight forward. Check with Randy (Overlander 68) at BestConverter - Inteli-Power Converters, Inverters, Solar Chargers. He's a Forum member and can give you any info you need for the conversion, plus a discount!

You'll be glad you did!!!!
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