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Old 06-06-2011, 12:26 PM   #15
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Originally Posted by targaboat View Post
I see your point and can not say you are wrong. However, when what ever you call it is connected to the batteries and the batteries are connected to the coach, it is a converter. Also if you were to take the batteries out, you would still have 12v into to the coach from what ever you call it.

A big part of this Forum is to help educated people. There are many on here who have no understanding of the electrical system of the coach. The first step is to learn the accepted terminology of the RV world. Therefore, I stand by that you have a converter, at least as used in the RV industry.
I don't want to beat a dead horse, but I do not have a converter. As stated before, a converter charges the battery (s) and changes AC power to 12v power. My inverter/charger does the charging and I have nothing that converts AC to 12v...thus no converter.

All my previous pull behinds had aconverter and one deep cycle battery. The converter was necessary to generate 12v power because I only had one battery. In the MH, with six batterys, I don't need any more 12v power, thus, I say again...no converter.

IMHO, you are not educating people, but confusing them.
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Old 06-06-2011, 07:47 PM   #16
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Cat, Just exactly what do you think a CHARGER does?

We like to say 12 volt, but a converter changes 120vac, normally into 13-15 volts depending on the condition of the batteries that are hooked to the thing, it charges the batteries and supplies "12V" (13.6 to 14.6) to the house systems.

A charger: Does exactly the same thing, Exactly, No difference.

Now, as it happens, there is a difference, and I do know what it is, but the question is do you?

Oh, there is also something called a "power supply" I design and build those on occasion,, They also provide 13.6 volts. They are somewhat closer to "Converter" than the Progressive Dynamics 9180 with charge wizard in my motor home.
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Old 06-07-2011, 09:41 AM   #17
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I do not have a converter. The six batteries are charged by the inverter/charger and all 12v power comes from the batteries. If I remove the batteries from the coach, I have no 12v power.
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Old 06-07-2011, 04:53 PM   #18
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Cat, what model inverter/charger do you have? I would like to see the spec on it.


I have been on the road for the last two days without Internet. Sure will glad when we get to N Michigan. It is in the 90s on the southern end of Lake Michigan, not a hint of an off shore breeze.
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Old 06-09-2011, 12:11 PM   #19
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Magnum Energy, MS (Magna Sine) 2012.
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Old 06-09-2011, 07:47 PM   #20
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inverter/battery problems

The correct name for the box must be a converter. The problem all along is that I do not have nor can I find on the world wide web an owners manual for this trailer. I am shooting blind when it comes to trouble shooting and just having the correct knowledge on how to operate this trailer. Thanks for the help so far.
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Old 06-09-2011, 07:59 PM   #21
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If I'm not mistaken Cat320 has a converter that just runs 12 devices. There is no three stage charging feature and puts out about 12.5 volts DC. so the voltage isn't high enough to charge a battery.
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Old 06-10-2011, 10:21 AM   #22
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If I'm not mistaken Cat320 has a converter that just runs 12 devices. There is no three stage charging feature and puts out about 12.5 volts DC. so the voltage isn't high enough to charge a battery.
I do not have a converter. I have a battery charger and an inverter. Without the batteries in the coach, even if plugged in to shore power, I have no 12v power...thus no converter. Google or bing the make and model of my equipment noted above.
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Old 06-10-2011, 10:26 AM   #23
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The correct name for the box must be a converter. The problem all along is that I do not have nor can I find on the world wide web an owners manual for this trailer. I am shooting blind when it comes to trouble shooting and just having the correct knowledge on how to operate this trailer. Thanks for the help so far.
I agree, sounds like you have a converter/charger. If you have no batteries, you cannot have an inverter because it converts 12v power to AC power...no batteries, no AC power.
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Old 06-10-2011, 06:04 PM   #24
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I just looked up the specs for the Magnum and it is a nice unit having most if not all the desirable features as a converter and to charge the batteries with the various phases of charging. I also suspect that it would run the 12v coach devices just fine without a batter. The Magnum company does call their unit an inverter/charger. I certainly would considering buying one the next time I had that requirement.

However, the Magnum people who wrote the spec were not RV people and may have never even spent a night in one as I suspect is the case for my current RV. Cat, you still have an inverter and a converter in the same containment case. It appears as though you have been told that by numerous people in the the time period I was traveling as well.
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Old 06-12-2011, 01:55 PM   #25
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Originally Posted by targaboat View Post
I just looked up the specs for the Magnum and it is a nice unit having most if not all the desirable features as a converter and to charge the batteries with the various phases of charging. I also suspect that it would run the 12v coach devices just fine without a batter. The Magnum company does call their unit an inverter/charger. I certainly would considering buying one the next time I had that requirement.

However, the Magnum people who wrote the spec were not RV people and may have never even spent a night in one as I suspect is the case for my current RV. Cat, you still have an inverter and a converter in the same containment case. It appears as though you have been told that by numerous people in the the time period I was traveling as well.
This is my last post, it's obvious I am not getting through to you, or you don't want to admit you are incorrect...I have said repeatedly:

-- I do not have a converter, the manual says I do not have a converter, the AC techs say no converter.

--I've spent months in this coach and the 12v system will not run with out batterys...because I don't have a converter!

I'm done!
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Old 06-12-2011, 05:28 PM   #26
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If you are done, then the place for your Magnum charger is in a meseum for it is very rare and I am sure lots of people will want to be seeing it.
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Old 06-12-2011, 05:30 PM   #27
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All I can say is "Wow!" this is a perfect example of how RVing gets confusing due to different manufacturers and terminology. I am not an RV expert by any means, but I think the answer to this discussion lies not in what it is but why.

I think that everyone is correct here. You do have an inverter/charger. Why is it called that? Because it only converts enough AC to DC to charge the batteries, not run all of the DC lights and equipment. It is not a converter, implying that it powers all DC equipment but is does convert. The documentation says so on page 8.

"There are two modes of operation associated with an inverter/charger:
Inverter Mode:
Direct current (DC) from the vehicle's batteries is transformed into
alternating current (AC) for use with your household electrical appliances.

Charger Mode:
Alternating current (AC) is taken directly from shore power (or other AC
sources) and passed directly to your household appliances. At the same time, the incoming AC is also converted to DC to recharge the vehicle's batteries."

I think that is the sticking point of this conversation. When AC is changed to DC it is converted, and when DC is change to AC, it is inverted and so named equipment usually does the converting/inverting.

The inverter/charger is not identified as a converter to avoid being confused with products that convert AC to DC for the purpose of running a 12 volt system even though it technically does convert a small amount of AC to DC to charge the batteries.

The answer is in the "why" not the "what".


What do you think?
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Old 06-13-2011, 03:18 PM   #28
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My point is that many of the individuals who ask for help start out only knowing there is electricity in wires. Their life will be better if we can teach them the correct facts associated with the electrical aspects of their RVs. Emphasising the correct names for the various components of their coaches is a good place to start. So when someone has an coach where he has no batteries installed and his inverter does not work has a real problem even telling use about his problems. Then when another unknowledgable inividual chimes in and talks about his inverter/charger we have a real mixed up post. So lets just start by calling everything by the name we commonly recognize.
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