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Old 08-31-2010, 09:12 PM   #1
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1974 27' Overlander
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Univolt Inverter Question

Can we isolate the 110 from the inverter with a switch and still have battery power available for the lights?

The inverter is the old buzz box (Univolt 4) type and we were thinking that adding a switch would allow us to shut off the buzz.

We will be replacing it all but for now would like to shut off the buzz.

Neil and Shelly
1974 International Overlander
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Old 08-31-2010, 09:16 PM   #2
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Univolts and their replacements are converters that convert 110 AC to 12 DC. An inverter does the opposite, converts 12 DC to 110 AC.

Having said that, if you switch off, or unplug for that matter, the Univolt you will still have battery power. Just as you do when the entire Airstream is unplugged. No difference.
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Old 08-31-2010, 09:17 PM   #3
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Yes you can, but the speed that your battery loses its charge might surprise you.

Welcome to the forum, by the way!
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Old 03-26-2011, 08:43 AM   #4
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Thank you all for your help!

We have been very busy with school and our first short film that we haven't been able to focus on our home!

We have been very fortunate that the campsite we are at now has a local RV repairman that comes out to the camp and will work on the rig. We spoke to several of the campers here and they recommended him. He has replaced the Univolt (which had some charging issues) and the water-heater. He was quick and not to expensive.

We are amazed at how quiet the camper is now! No more buzz!

Shelly and Neil
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Old 03-26-2011, 01:16 PM   #5
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Quote:
Originally Posted by snshort View Post
Thank you all for your help!

We have been very busy with school and our first short film that we haven't been able to focus on our home!

We have been very fortunate that the campsite we are at now has a local RV repairman that comes out to the camp and will work on the rig. We spoke to several of the campers here and they recommended him. He has replaced the Univolt (which had some charging issues) and the water-heater. He was quick and not to expensive.

We are amazed at how quiet the camper is now! No more buzz!

Shelly and Neil
Congratulations! Getting rid of the old Univolt is by far the best solution.

Enjoy.
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Old 04-15-2011, 09:18 AM   #6
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Hey guys, as you can tell from my info blurb, I have a 70's Argosy trailer, and I'm a Noob to this forum. For those of you who have replaced your mid-to-late-70s Univolt with newer techonology, what products do you suggest? What do you suggest I stay away from, too?
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Old 04-15-2011, 09:31 AM   #7
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Inteli-Power
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Old 04-15-2011, 09:33 AM   #8
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I went with an Inteli-Power. More info and photos here: http://www.airforums.com/forums/f449...0-a-57567.html.
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Old 04-15-2011, 09:35 AM   #9
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TX Argosy here is a link to BestConverters.com. They are a forum member and will be able to help you out with your choices.
9200 Series
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Old 04-15-2011, 09:36 AM   #10
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Iota from Best converters, that was Randy's recommendation.
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