Peter and Josh; thank you both; these articles are great; they start with the
general and go to the particular so the reader can see how it all fits
together...I now understand where Edd was trying to get to with his diagram,
and I need to look at what I have and start my own chart! And, thank you Edd
for asking the question in the first place!
Richard
1985 C&C 37 CB; Ohio River, Mile 596;
Richard N. Bush
2950 Breckenridge Lane, Suite Nine
Louisville, Kentucky 40220-1462
502-584-7255
-----Original Message-----
From: Peter Fell via CnC-List <cnc-list@cnc-list.com>
To: C&C List <cnc-list@cnc-list.com>
Sent: Mon, Mar 30, 2015 12:06 pm
Subject: Re: Stus-List New Wiring Diagram Draft (Edd Schillay)
This is a good write-up too, I think:
http://forums.catalina.sailboatowners.com/showthread.php?t=137615.
Also it describes the basic function and differences between the Echo-charger
and the more ‘traditional’ combiners like the Blue Sea and Yandina.
Similar to the Echo-charger is the Balmar Duo Charge ($$). I’ve also seen
discussions of the Magnum Smart Battery Combiner:
http://magnumenergy.com/smart-battery-combiner-me-sbc/ and the Victron Cyrix
line of combiners:
http://www.victronenergy.com/battery-isolators-and-combiners
Regarding the Yandina, if it sees a low voltage on one of the banks, it cycles
charging to try to bring the low bank up to a point where it can accept a
constant charge.
From: Josh Muckley via CnC-List
Sent: Monday, March 30, 2015 6:28 AM
To: Richard N. Bush ; C&C List
Subject: Re: Stus-List New Wiring Diagram Draft (Edd Schillay)
Try this to start.
http://www.yandina.com/combInfo.htm
Josh
On Mar 30, 2015 8:54 AM, "Richard N. Bush via CnC-List" <
cnc-list@cnc-list.com> wrote:
I have been reading this thread about the wiring and the charging avidly, but I
have no training in electrical engineering and I am having difficulty figuring
out how all this comes together... is there a way someone could summarize this
in layman's (rank beginner) terms? I would like to know how the theory and the
real wiring/charging system come together on the boat, I guess on Edd's boat in
this instance, but, of course, I am looking to see how I can apply it in
understanding and upgrading the system on my boat as well..... I recognize that
the systems are going differ from boat to boat, but surely the principles must
be the same? Many thanks....
Richard
1985 C&C 37 CB; Ohio River, Mile 596;
Richard N. Bush
2950 Breckenridge Lane, Suite Nine
Louisville, Kentucky 40220-1462
502-584-7255
-----Original Message-----
From: Rick Brass via CnC-List < cnc-list@cnc-list.com>
To: 'Peter Fell' < prf...@gmail.com>; cnc-list <
cnc-list@cnc-list.com>
Sent: Mon, Mar 30, 2015 8:38 am
Subject: Re: Stus-List New Wiring Diagram Draft (Edd Schillay)
In a 12 volt setup, 10.5v of differential between the fully
charged/charging bank (12.6 to 14.4v) and the depleted bank would probably mean
that the depleted bank has something wrong with it – maybe some shorted cells.
In a 24 volt setup with 12 cells, the fully charged/charging bank
would be at 25.2 to 28v. The 10.5v differential would put the discharged
battery at 1.5v per cell – seriously discharged. The high voltage differential
would normally cause a high current flow, so I assume the Echo Charge is
programmed to limit the current because of the heat from high current.
If I recall correctly, the Blue Sea 12v ACR that I have on Imzadi
is designed to not open if either of the connected batteries is below something
like 10.5 or 11 volts. That prevents current flowing from a good battery bank
into a bad one.
Rick Brass
Washington, NC
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