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Go Back   SailNet Community > On Board > Gear & Maintenance
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  #11  
Old 09-21-2004
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Starting Battery vs. House Battery

Whoosh, again you come thru. Thanks for the pointer to Jackrabbitmarine.

I do wish I''d known about them a couple weeks ago as I just purchased 25'' of battery monitor cable from Zantrex for about $50 for my new Link 20 (when I could of bought the 6'' I actually needed from Jackrabbit marine for $2/ft).

But after perusing their site I think in the end they''ll save me $$$ (or at least the impending headaches trying to figure out the rewiring of a dual 12v/110v/dual bank system).

I too want to incorporate Calders ''no battery switch needed'' approach for the same peace of mind but found his description of how to do it rather confusing (and I''m somewhat knowledgable when it comes to electrical/electronic circuits). I''m sure the block diagrams from Jackrabbit will make it clear what exactly is going on.

Again, thanks
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  #12  
Old 09-22-2004
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Starting Battery vs. House Battery

I talked to Steven at jackrabbit marine yesterday afternoon, and apparently they don''t have any block diagrams that they just give away. He was offering to design a system for me, but at a cost of about $200.

I''m debating on what to do now. Apparently Jack Csenge has retired and no longer works there. Lucky guy!

Does anyone know of a place where you can buy pre-designed block diagrams for less than the $200 they were talking about?

Garrett
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Old 09-22-2004
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Starting Battery vs. House Battery

Try poking about in the http://www.amplepower.com site. Particularly in the Primer and wiring diagrams area.
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Old 10-07-2004
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Starting Battery vs. House Battery

Garrett,


I''m also interested in finding a block diagram. Did you find one or did you use Jackrabbit''s service?
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Old 10-08-2004
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Starting Battery vs. House Battery

Blue Sea Systems ( http://www.bluesea.com ) has about a dozen different block diagrams at:
http://www.bluesea.com/Article_detail.asp?Section_ID=154&id=178

Including:
PN 8062 Switch Panel with Circuit Breaker
PN 8080 DC Parallel Battery Switch Panel
PN 8083 DC Power Distribution Panel
PN 8280 DC Parallel Battery Switch Panel
PN 8281 DC Parallel Battery Switch Panel
PN 8280 DC Parallel Battery Switch Panel
PN 8370 DC Parallel Battery Switch Panel
PN 9001e Battery Selector Switch
PN 9002e Battery Selector Switch
PN 9003e Battery Isolation Switch
PN 9004e Battery Isolation Switch
PN 9005 Mini Battery Disconnect Switch 2 Position, OFF-ON with Key
PN 9006 Mini Battery Disconnect Switch 2 Position, OFF-ON with Knob
PN 9012 E-Series Electronic Switch
PN 9112 Automatic Charging Relay with Emergency Parallel Capacity

Attwood ( http://www.attwoodmarine.com )also has a few drawings at:
http://www.attwoodmarine.com/Products/Install_Instructions/19352rb-english.pdf

HTH,
Gord
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Old 10-09-2004
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Starting Battery vs. House Battery

Thanks for the link(s).

Any idea which one of those diagrams accomplish what WHOOSH was describing?
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  #17  
Old 10-10-2004
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Starting Battery vs. House Battery

I think the drawings and Caulderís texts should provide sufficient information for anyone competent to design & install their own electrical system.

Additional guidance might be useful, in the form of an on-site consultation or supervision /w a QUALIFIED marine electrician (caution: many who claim to be, are not IMHO).

Still nervous? Contract the work out.

Respectfully,
Gord
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Old 10-16-2004
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Starting Battery vs. House Battery

Some additional BATTERY WIRING DIAGRAMS:
http://www.homestead.com/dolphinmarineservice/Ele1.html
http://www.homestead.com/dolphinmarineservice/Ele2.html
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  #19  
Old 10-26-2004
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Starting Battery vs. House Battery

I have two AGM''S that I love they stay charged and can be turned any way you want but upside down. My cranking battery is led acid group 31 from Sams so when it starts to get weak I will trade it in and it is a marine battery. The system works well I have a switch to isolate all three from the ALT and Charger which is a Xantrex 20+ I also have the remote panel and heat scensor. I can switch the switches to charge the two AGM batteries or the Led acid battery sometimes all at once and I have had no problems yetwith charging the combined banks all set on AGM. I have not charged the batterys all on led acid for fear of overheating. The Cranking battery does nothing but crank so I dont see it as needing much more than the low voltage boost it gets from the AGM type charge. I can however set it to the led acid cook off which will shake the scale that builds up on the plates off. In the five months the system has been working It has not failed once,I ran my Cafamo fans two of them and my lights for two days all but a couple of hoursand by the end of day two my batteries were at 11.75 I was very happy with that test.
The other test was my cranking battery. I left Key west for Tampa and had been doing allot of motoring for three days in the calm water they get down in Conch ville and thought I should charge the battery for the engine since we were crossing some open water. When we arived at our destination I found that the wire to the battery from the ALT had been left undone while doing some other maintanance ( the wites to the AGM''s were still connected). So the battery still had lots of juice reading at 12.45, so it had only used a very small amount of juice in about six days.I will would like to have all three batteries AGM''s but sometimes the pocket has a hole in it where the money falls out, Or is it that the boat just suckes it out hole or not.
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