| [GMCnet] Generator, 110V, 12V and the batteries [message #275583] |
Fri, 10 April 2015 15:42  |
Olly Schmidt
Messages: 1265
Registered: February 2014
Location: Germany and Scottsville, ...
Karma: 8
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Senior Member |
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Hi,
just to verify my understanding:
The generator feeds 110V to the power outlets throughout the coach, to
the water heater, the roof a/c and the buzz box.
The buzz box charges the batteries.
There is no inverter on a "regular" GMC MotorHome.
--
Best regards
Peer Oliver Schmidt
PGP Key ID: 0x83E1C2EA
'76a Eleganza II, VA
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Best regards
Olly Schmidt
PGP Key ID: 0x18a9 3a1f 4196 bf22
'76a Eleganza II, VA
'73 Sequoia, SH, Germany
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| Re: [GMCnet] Generator, 110V, 12V and the batteries [message #275591 is a reply to message #275583] |
Fri, 10 April 2015 17:20  |
Jim Miller
Messages: 501
Registered: March 2008
Karma: 10
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Senior Member |
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That is correct there was no inverter as part of the original design. The “buzz box” is a simple 120VAC -> 12VDC converter that has the dual role of charging house batteries and powering 12V house loads like lighting, kitchen fan, water pump and in some cases the fridge.
The Progressive Dynamics boxes serve the same role as the buzz box…they just do it more elegantly.
—Jim
> On Apr 10, 2015, at 4:42 PM, Peer Oliver Schmidt GMC wrote:
>
> Hi,
>
> just to verify my understanding:
>
> The generator feeds 110V to the power outlets throughout the coach, to
> the water heater, the roof a/c and the buzz box.
>
> The buzz box charges the batteries.
>
> There is no inverter on a "regular" GMC MotorHome.
> --
> Best regards
>
> Peer Oliver Schmidt
> PGP Key ID: 0x83E1C2EA
>
> '76a Eleganza II, VA
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
--Jim "saving the lives of Onans...one unit at a time" Miller
1977 Eleganza II
1977 Royale
Hamilton, OH
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Jim Miller
1977 Eleganza II
1977 Royale
Hamilton, OH
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| Re: [GMCnet] Generator, 110V, 12V and the batteries [message #275593 is a reply to message #275583] |
Fri, 10 April 2015 18:03 |
 |
USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma: 6
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Senior Member |
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Peer,
Genau!
If your Eleganza still has the Buzz Box I would replace it, your GMC will be stored for long periods of time and if you leave it
plugged in (like I do with Double Trouble) it will boil the batteries dry and you'll be buying new batteries! Hopefully sometime
during the coach's life a PO will have replaced it with a converter like this:
http://www.ebay.com/itm/PROGRESSIVE-DYNAMICS-45-AMP-RV-POWER-CONVERTER-CHARGER-PD9245-/161668952443?hash=item25a438717b&vxp=mtr#ht_6
28wt_900
It's a good idea to add the pendant so you'll know what mode the converter is in:
http://progressivedyn.com/pendant.html
The same company sells it:
http://www.ebay.com/itm/PROGRESSIVE-DYNAMICS-RV-CONVERTER-STATUS-REMOTE-PENDANT-PD92201-/151274298395?hash=item2338a69c1b&vxp=mtr#ht
_287wt_922
It appears the converter is a factory refurbished unit, I am of the opinion that these units are better than new units as they had a
problem and were repaired and checked more carefully than a new unit.
Disclaimer: The statement above may be full of it! ;-)
Regards,
Rob M.
-----Original Message-----
From: Peer Oliver Schmidt
Hi,
just to verify my understanding:
The generator feeds 110V to the power outlets throughout the coach, to
the water heater, the roof a/c and the buzz box.
The buzz box charges the batteries.
There is no inverter on a "regular" GMC MotorHome.
--
Best regards
Peer
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Unsubscribe or Change List Options:
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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