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Old 06-26-2015, 09:27 AM   #1
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Which charger / converter? 15 Intl Sig

So I have a new international signature.

I've read some about changing the converter/inverter to a nicer unit.

From what I understand, the progressive dynamics units is the unit of choice.

When I go to 4600 Series Upgrade or Replacement Power Converters from Progressive Dynamics I see that they have multiple units to replace different Parallax units.

I am curious to know if anyone knows which parallax unit would be installed in a 27FB with one A/C?

Access to see it in my storage bay is difficult.

Which ProgDyn unit would the appropriate one to order?
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Old 06-26-2015, 11:10 AM   #2
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contact www.bestconverter.com, they are in many threads here and are highly regarded.
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Old 06-26-2015, 11:22 AM   #3
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The PD4655 is what I bought from BestConverter to replace my Parallax which failed. It slips in the space under the fuse panels. Easy upgrade. The PD4655 comes with a new 12v fuse panel which connects to the Smart Wizard circuitry. If a 12v fuse pops a little LED lights up against it. The AC fuses stay.

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Old 06-26-2015, 11:37 AM   #4
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Just trying to learn...

what are the items under my bed? I know there is a relay there, and some other big grey box....

My fuse panels appear to be mid kitchen
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Old 06-26-2015, 12:22 PM   #5
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I have a 25FB Intl so I cannot speak to your 27 with authority but in mine, the converter, breakers, and fuse panel are under the bed. Also there is the transfer switch for switching AC inlet between the two outlets on the side and front of the trailer. The stuff on the kitchen wall is for the water pump, tank sensors, inverter control, and solar monitoring.

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Old 06-26-2015, 12:41 PM   #6
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On my 25fb behind the converter/charger under the bed is a removable felt covered box is the back part of the converter and the wiring. On the other side of the bed is another felt covered box which has the Store/Use relay, bus bars and a grey plastic box which terminates the wires from the hitch electrical cord and the external lights of the AS. I had to access the one behind the converter so I could unscrew a strain relief clamp to allow a little more length on the battery wires.

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Old 06-26-2015, 01:30 PM   #7
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No I mean at the floor, just where the kitchen cabinets begin from the bathroom, I have a panel. I open the panel in there are breakers, and fuses.

I think this might be the same panel the 25 has on the edge of the bed.

Then under my bed, in the front storage area, is a relay, something else, and a big grey unly box that I suspect is the converter.
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Old 06-26-2015, 01:32 PM   #8
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Look at the floor right where the kitchen meets the bathroom.
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Old 06-26-2015, 01:47 PM   #9
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That box looks like your converter, fuses, and breakers. The post above probably explains what you are seeing up front, maybe an inverter if you have one.
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Old 06-26-2015, 05:40 PM   #10
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I do have inverter..
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Old 06-26-2015, 06:53 PM   #11
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Just curious but why do you want to replace the converter? If you have a factory solar package or you're contemplating a solar installation in the future then you'll have a 3-stage battery charger and you don't need to spend additional dollars for something which gives no benefit.
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Old 06-26-2015, 09:51 PM   #12
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Just curious but why do you want to replace the converter? If you have a factory solar package or you're contemplating a solar installation in the future then you'll have a 3-stage battery charger and you don't need to spend additional dollars for something which gives no benefit.
Not unless you are in an extended period of inclement weather ( it DOES happen) and are connected to either shore power or generator. 3 stage charging from 120VAC would be essential in those circumstances. And NO, the 13.6VDC continual output from a Parallax converter is definitely NOT the way to properly charge batteries..........ANY batteries...........especially if you want to derive maximum life from them.
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Old 06-26-2015, 10:32 PM   #13
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I put in a PD4645. It takes care of our needs very well and it allows a 1000 watt Yamaha to charge the batteries without overloading.
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Old 06-26-2015, 10:34 PM   #14
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Wow, Lew didn't post that you should purchase a $1000+ Magnum???

My setup is the same, and as mentioned above,

I chose the Powermax Boondocker PM4B-60 (4 stage) from BestConverter - Converters, Inverters, Electrical Supplies, Electronics - People choose the ProgDyn units because they are straight swaps and afraid of wiring. Don't get me wrong, they're excellent units.

But it was literally 3 WIRES to install this. And some screws to hold it to the floor. Not complicated. But hey, folks are willing to pay more for plug and play. That's cool.

Plasma, see this thread for additional help: http://www.airforums.com/forums/f449...am-126429.html

We have the same panels, although in these photos some of the covers are removed.



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Old 06-26-2015, 11:24 PM   #15
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We have the original factory converter/charger and factory solar. To protect our original Highline AGM batteries, whenever hooked to external power we isolate the batteries from the converter/charger by placing the Battery Disconnect Switch in STORE position.

The solar system charges the batteries with or without external power. If a long period of cloudy weather, we use external power for brief periods to charge the batteries through the converter/charger. That doesn't happen often.

We look forward to a Magnum inverter and Lithium Ion batteries when/if the price improves.
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Old 06-27-2015, 06:15 AM   #16
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Quote:
Originally Posted by lewster View Post
Not unless you are in an extended period of inclement weather ( it DOES happen) and are connected to either shore power or generator. 3 stage charging from 120VAC would be essential in those circumstances. And NO, the 13.6VDC continual output from a Parallax converter is definitely NOT the way to properly charge batteries..........ANY batteries...........especially if you want to derive maximum life from them.
^^^^
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Old 06-27-2015, 07:22 AM   #17
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Wow, Lew didn't post that you should purchase a $1000+ Magnum???

My setup is the same, and as mentioned above,

I chose the Powermax Boondocker PM4B-60 (4 stage) from BestConverter - Converters, Inverters, Electrical Supplies, Electronics - People choose the ProgDyn units because they are straight swaps and afraid of wiring. Don't get me wrong, they're excellent units.

But it was literally 3 WIRES to install this. And some screws to hold it to the floor. Not complicated. But hey, folks are willing to pay more for plug and play. That's cool.

Plasma, see this thread for additional help: http://www.airforums.com/forums/f449...am-126429.html

We have the same panels, although in these photos some of the covers are removed.
BA,

Surprised? You shouldn't be.................... While Magnums are the best all around charger, with a good solar charge controller like a Blue Sky that becomes your primary battery charging source, the converter becomes a back-up. Not everyone needs a Magnum, but then not everyone needs lithium batteries or an Airstream for that matter either........

What folks DON'T NEED is the dated technology of a single stage converter that has a proven history of battery destruction.

What ever floats your boat!
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Old 06-27-2015, 10:30 AM   #18
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Yeah I agree. I'm just in the information gathering stage right now.

But from what I'm gathering, the on board charge isn't great and should be swapped for a multi stage charger.
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Old 06-27-2015, 11:33 AM   #19
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I would likesome clarification on a couple of other things..

1. The charger installed from the factory in 15 is or is not a single stage charger?
2. One should not ever leave their unit plugged into 110 when in storage?
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Old 06-27-2015, 11:41 AM   #20
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Quote:
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1. The charger installed from the factory in 15 is or is not a single stage charger?
Single stage

Quote:
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2. One should not ever leave their unit plugged into 110 when in storage?
Not with a single stage charger. Just getting blasted no stop.
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