[C320-list] Starting Battery
pjaarch
pjaarch at verizon.net
Wed Jun 2 06:26:25 PDT 2010
Thank you Jeff for the wonderful and very clear directions. I will be
installing the battery this weekend. This descriptions should be on the web
site. Very well written. That you again.
Paul Adison
C320 #722
"Rough Draft"
----- Original Message -----
From: <catalina at thehares.com>
To: <C320-List at Catalina320.com>
Sent: Tuesday, June 01, 2010 1:29 PM
Subject: Re: [C320-list] Starting Battery
> Hey Paul,
>
> It should work fine. The wires that might be on the forward battery
> terminals are: (Sorry this got longer than I anticipated)
>
> Fwd 4d GROUND:
> 1) A large BLACK ground wire connecting to the other 4D ground terminal
> 2) A smaller BLACK ground wire going to the Windlass ground
>
> Fwd 4d POWER:
> 3) A Large RED power going to the battery selector switch
> 4) A smaller RED power coming from the battery Charger.
> 5) A smaller RED power going to the Windlass breaker
>
> The general idea here is to jumper the pair of 4Ds in Parallel. (+ to +)
> and (- to -) The Grounds are already connected by a short jumper. You
> just do the same thing with the Power terminals.
>
> Then on the forward 4D: you remove the wire going to the selector (#3
> above) and the Shore Power wire (#4 above) and connect those to the power
> terminal of the starting battery.
>
> For the Negative terminal of the starting battery, you simply need to add
> a short FAT jumper over to the Negative terminal of the forward 4D to
> complete the task.
>
> So you end up with:
> ===================
> * A single large house battery bank that will provide a few more usable
> Amp hours than when using them individually. The battery selector
> position that used to select the AFT 4D is now the "House" battery.
>
> * An emergency Starting battery that can be selected by using the
> selector position that used to be the FORWARD 4D. This is now the
> "Starting" battery.
>
> * Normally you can just leave the battery switch selected to "House" and
> use the house bank to start the engine, and run the world. If the house
> bank won't crank the engine because it's too run down, just switch to the
> Starting battery and start it up. It'll be fully charged since it's
> isolated from the house bank. Switch to ALL when motoring to recharge
> the house bank and top off the starting battery.
>
> NOTE: The Shore Power Charger will charge both the house and starting
> battery *automatically* whenever you're plugged in regardless of what you
> do with the selector switch since it bypasses the selector switch.
>
> My Recommendation is to add a Blue Seas ACR (my preference) or battery
> combiner that will automatically keep the starting battery charged
> whenever there is a charge source on the house battery. Then, for all
> intents and purposes, you just leave the selector set to "House" and the
> starting battery is automatically maintained both when motoring and when
> plugged into shore power.
>
> It's a great upgrade to add a Link 2000 monitor or digital volt meter on
> the panel to keep an eye on battery voltages. The analog meter on the
> panel is really useless. :)
>
> I would also suggest an automotive AGM starting battery. An Exide
> Orbital or something similar. They can be mounted in any position, charge
> very fast and don't leak. Don't make the mistake of getting a
> combination deep cycle/starting battery for this, this is important.
>
> BTW, my starting battery is sitting on a shelf I added in the space just
> forward of the forward 4D. I think there are pictures of the shelf on
> the website.
>
> Cheers!
> -Jeff
>
> PS: Feel free to give me a call on my cell anytime if you just want to
> chat about details or alternatives. (603) 490-9624
>
>
> Quoting Paul Adison <pjaarch at verizon.net>:
>
>> I love the idea of this but does this really work? I have (3) wires
>> running to the terminals on the forward battery (#2). I don't know
>> what they all are. The wiring diagram only shows 1 wire to each
>> terminal. Don't I have to isolate only the wire from the switch to the
>> new starting battery? Then I can run the 2 4D batteries in parallel
>> as mentioned below. Another friend of mine ran a new 4D from the port
>> side and ran it parallel to battery #1. Very simple. My boat lists to
>> port and I don't want to add any more weight to the port side. I would
>> love to know the answer to this. I feel that I am missing something.
>>
>> On May 26, 2010, at 8:39 PM, Robert Seastream wrote:
>>
>>> One of the simplest solutions comes from Jeff Hare. Presuming your
>>> batteries are under the starboard settee, place whatever 'starting'
>>> battery you purchase in the space forward of those batteries.
>>> Disconnect the leads from the battery furthest forward (battery 1, I
>>> think), and connect those leads to the 'starting' battery. Next, buy
>>> two heavy gauge battery cables (3 feet or so), and parallel the
>>> original house battery 1 to battery 2. The end result is that you'll
>>> have a 'start' battery on position one of the battery switch, and have
>>> both 'house' batteries on position 2 of the battery switch. I put
>>> black tape over switch position 1 as a caution that it wasn't to be
>>> used as a 'house' battery.
>>>
>>> Bob Seastream
>>> Intuition # 906
>>>
>>>
>>> On May 26, 2010, at 4:51 PM, jpmesa at aol.com wrote:
>>>
>>>> Ours is under the starboard sette the area (middle) next to the
>>>> holding tank. We also have an extra battery switch so we can
>>>> separate the starter battery from the main system when we are at
>>>> anchor. John Holokai 2
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: Sam & Suz Weston <ssweston at embarqmail.com>
>>>> To: C320-List <C320-List at Catalina320.com>
>>>> Sent: Wed, May 26, 2010 12:43 pm
>>>> Subject: [C320-list] Starting Battery
>>>>
>>>>
>>>> I'm considering adding a starting battery to complement my two D-4's.
>>>> Could
>>>> omeone help me with the placement of the battery and the connection
>>>> process ?
>>>>
>>>
>
>
>
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