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BEP 716 Battery Distribution Cluster Install

Old 02-03-2007, 07:49 PM
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Default BEP 716 Battery Distribution Cluster Install

I decided to install the BEP 716 on my Whaler and finished the upgrade today. I choose the BEP 716 over the Blue Sea
5511E Dual Circuit Battery Switch and the 7610 Automatic Charging Relay because I have a good performance history of the 716 and have some space limitations on the aft bulkhead under my helm station.

The installion is connected to two Cabelas Group 24 AGM batteries (1175 cranking amps) which are serviced by a Guest 2620A battery charger that is connected thru the 716. Here is a picture of the installion.



Old 02-03-2007, 08:00 PM
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Default Re: BEP 716 Battery Distribution Cluster Install

Can you please tell how you integrated the charger? I have the BEP setup on my Mckee and have been thinking about adding a charger.
Old 02-03-2007, 08:05 PM
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Default Re: BEP 716 Battery Distribution Cluster Install

very nice job Tom - I just wish half these people posting that Wallmart batts and a 1-2 both switch are the way to go would talk to you....they have no problem paying big $$$ for big displays and then they go cheap on the foundation, IMO....

OK, I'll be your straight man:
How much did this cost and what are the main advantages of AGM's and integrating them into a system like this?
Old 02-03-2007, 08:41 PM
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Default Re: BEP 716 Battery Distribution Cluster Install

606 here's the answer to your question:

You connectthe battery charger positive output terminal toTerminal "A" on the BEPengine battery switch. Then set theengine battery switch to "ON" and the house battery switch to "OFF". This will allow the VSR (Voltage Sensitive Relay)to engage and charge both batteries. Connect the groundwire of the battery charger to the negative post on the start battery to complete the circuit. This is a single engine installtion.

To answer Glen's question in regards to cost:

BEP 716 = $115.00

Blue Sea Maxi Fuse Block = $19.00

Blue Sea 40 amp blade fuse = $3.50

6' of Ancor 2 AWG battery cable $20.00

2' of Ancor 6AWG cable $9.00

Total cost = $166.50

I had tobuild one battery cable for the house battery due to the length of the run and had to build 2 additional cables to connect the 716 house battery switch to the Maxi Fuse Block andthen connect the Maxi Fuse Block to the Blue Sea Fuse Bus. The the Blue Sea Fuse Bus was already on the boat.

It took me about three hours to remove the Blue Sea Battery Switch and install the new system.

Answer to the advantages of AGM batteries:

The advantages of AGM batteries are no maintenance, sealed against fumes, hydrogen, leakage, or non-spilling even if they are broken, and can survive most freezes. AGM batteries are "recombinant" – which means the Oxygen and Hydrogen recombine inside the battery. These use gas phase transfer of oxygen to the negative plates to recombine them back into water while charging and prevent the loss of water through electrolysis. The recombining is typically 99+% efficient, so almost no water is lost. Charging voltages for most AGM batteries are the same as for a standard type battery so there is no need for special charging adjustments or problems with incompatible chargers or charge controls. Since the internal resistance is extremely low, there is almost no heating of the battery even under heavy charge and discharge currents. AGM batteries have a very low self-discharge rate (from 1% to 3% per month). So they can sit in storage for much longer periods without charging. The plates in AGM's are tightly packed and rigidly mounted, and will withstand shock and vibration better than any standard battery.

Tom

Old 02-03-2007, 08:47 PM
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Default Re: BEP 716 Battery Distribution Cluster Install

Tom - I should not have asked the wurestion with the word AGM in there - any experienced boater is buying them, IMO. But what does this system do that a 2 batt - 1-2 both with 2 lead charger do that is different? (how's that for a better straight man?) It eleiminates having to do any switching, worrying at drift , etc right?
Old 02-03-2007, 09:09 PM
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Default Re: BEP 716 Battery Distribution Cluster Install

Is there an advantage to using a VSR if your motor has the ability to charge two batteries with two separate charging leads? I have the same switches as the 716 cluster but am using the aux charging lead from my single motor to charge my house battery.
Old 02-03-2007, 09:15 PM
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Default Re: BEP 716 Battery Distribution Cluster Install

It's just one stop shopping. If you have a single engine 2 battery system or a 2 engine 3 battery installaionit requires only one connection to charge all your batteries. Sorry, I got too long winded.
Old 02-03-2007, 09:18 PM
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Default Re: BEP 716 Battery Distribution Cluster Install

Twisther ......

Your good to go with your connectivity. This is for boaters that are installing the BEP for the first time.
Old 02-03-2007, 09:20 PM
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Default Re: BEP 716 Battery Distribution Cluster Install

Ahh, I see....by using the BEP unit you really only need to have a one bank charger as it will shunt charging to thet start battery first then the house battery (correct?)
Old 02-03-2007, 09:23 PM
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Default Re: BEP 716 Battery Distribution Cluster Install

That's correct ........

Here's the wiring diagram from the BEP website:

http://www.bepmarine.com/PDF/INST_716SQ_100A.pdf
Old 02-04-2007, 09:26 AM
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Default Re: BEP 716 Battery Distribution Cluster Install

twisther - 2/3/2007 8:09 PM

Is there an advantage to using a VSR if your motor has the ability to charge two batteries with two separate charging leads? I have the same switches as the 716 cluster but am using the aux charging lead from my single motor to charge my house battery.
BEP makes a cluster for outboards with aux charging circuits (model 718 is what I used), but I think you already know that.
Old 02-04-2007, 06:09 PM
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Default RE: BEP 716 Battery Distribution Cluster Install

Where can I purchase BEP products? I need the #718 without the VSR, BEP has it on their web site.
Boaters World carries the 718 with VSR, West, Consumer Electronics, etc. don't carry BEP products. Is there someplace online I can order it from? Thanks
Old 02-04-2007, 10:06 PM
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Default Re: BEP 716 Battery Distribution Cluster Install

BWP - Nice install. 2 questions please

1. Why did you choose the BSS Maxi Fuse Block over a BSS surface-mounted Circuit Breaker ?

2. Why have you kept the inline glass fuses after you installed the BSS Fuse Panel ? IMO glass fuses and their holders are a very weak link in an electrical system. The plug-in fuses are easier to see if blown, easier to see the ampacity of the fuse and easier to install & remove.

Old 02-04-2007, 10:18 PM
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Default Re: BEP 716 Battery Distribution Cluster Install

I had the maxi fuse block in hand and would have to order the circuit breaker. My next project to clean up the wire between the fuse buss and the electronics. Thanks for the compliment E.
Old 02-05-2007, 10:36 AM
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Default Re: BEP 716 Battery Distribution Cluster Install

BWP I have a 250 etec that has an auxiliary charging leads for charging the house battery which is great. I have two batteries for the motor.I like the idea of the bep vsr, but what I would like to accomplish is to be able to let the vsr charge the batteries for the motor and the auxiliary engine leads take care of the house batteries .I would like to be able to parallel all the batteries if the engine batteries won't turn the engine over,I went on bep web site and they have systems to parallel the engine batteries but is there away to incorporate the house battery also. Thanks Dave
Old 02-05-2007, 10:39 AM
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Default Re: BEP 716 Battery Distribution Cluster Install

re: the BEP 716...have it & love it
however...be very careful when turning the knobs. i was used the to the big perko knob and just reaching under the console and turning it. the BEP knobs only go in one direction...turn it in the wrong direction and the knob can snap off at the mount. mine did and it is non-repairable
Old 02-05-2007, 12:03 PM
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Default Re: BEP 716 Battery Distribution Cluster Install

Dave, I think the 715H is what you want. I don't think you need the vsr.
Old 02-05-2007, 08:15 PM
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Default Re: BEP 716 Battery Distribution Cluster Install

bluewaterpirate - 2/4/2007 5:41 PM

... AGM batteries have a very low self-discharge rate (from 1% to 3% per month). So they can sit in storage for much longer periods without charging...

I think you might be missing a decimal place in there. A flood cell batt self discarges at a little less than 2% per month. I believe an AGM's self discharge is somewhere around .1 to .4% per month.

A batt is considered 'cycled' when discharged 10% or more. A flooded cell batt is cycled after sitting on the shelf and self-discharging for about 6-months. An AGM batt can sit on the shelf self-discharging for 2-years or more before it is considered cycled.



Old 02-05-2007, 10:06 PM
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Default Re: BEP 716 Battery Distribution Cluster Install

DJY,

Don't parallel a dead battery to a good battery to start your motor...you'll just discharge the good battery into the dead one. Better to isolate the bad battery and use the good battery alone to start the motors.

CGrand,

BEP replaced mine for free and the new one is made of a slightly different compound to avoid future failures.

Harry
Old 02-06-2007, 09:46 AM
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Default Re: BEP 716 Battery Distribution Cluster Install

Harry Brosofsky - 2/5/2007 9:06 PM

CGrand,

BEP replaced mine for free and the new one is made of a slightly different compound to avoid future failures.

Harry
did you just contact BEP off their website, or go thru whoever you bought it from?

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