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Old 05-25-2019, 07:40 PM   #71
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Default Re: Help confirming assumptions on Sterling BB1260

Note just because a thick AWG is used to prevent V drop, does not mean you can't step it down close to the end / device.

Asymmetric butt connectors, ferrule "pin" terminals, even going to a buss bar are all fine.
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Old 05-25-2019, 07:44 PM   #72
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Default Re: Help confirming assumptions on Sterling BB1260

Nothing you want counted should go between the bank negative and the shunt.
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Old 05-25-2019, 09:16 PM   #73
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Default Re: Help confirming assumptions on Sterling BB1260

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Originally Posted by calbiker View Post
A fan is a good idea when operating the generator for longer periods of time. Do you use a 120V ac fan?
I used a DC automotive, high heat weatherproof fan: https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1.

My pan drops down a little more under the Honda and I did the back of the compartment is sheet metal, so just put this in behind the Honda with a switch in the compartment. There must be clearance under the vehicle frame back there.

Originally, I was going to plug it into a female DC socket on the Honda and the manual said that DC outlet didn't reduce the AC output, so great. Then when the fan arrived, I realized I had the companion model which doesn't have the DC female socket. Oh well. It works really well.
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Last edited by outwestbound; 05-26-2019 at 02:39 PM.
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Old 05-26-2019, 08:57 PM   #74
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Default Re: Help confirming assumptions on Sterling BB1260

Just as a follow up, I got this pricing at Bay Marine Supply today: https://baymarinesupply.com/
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Old 05-27-2019, 03:48 PM   #75
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Default Re: Help confirming assumptions on Sterling BB1260

Has anyone had issues with a relay switch clicking on and off under the driver seat with the 60amp charger? It seems to be related to low voltage and happens when the ac is turned on. Iím measuring 13.5-6 at idle with AC off and then it drops as low as 13.2ish when ac is on at idle. While driving itís hard to hear if the switch is clicking but it seems as if it is not. Started after I installed the sterling charger. I received an upgraded model from sterling with green stripe at the top of the unit. Iím not convinced this will solve the issue but Iím going to swap it anyways.


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Old 05-27-2019, 04:00 PM   #76
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Default Re: Help confirming assumptions on Sterling BB1260

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Originally Posted by Jburklow@gmail.com View Post
Has anyone had issues with a relay switch clicking on and off under the driver seat with the 60amp charger? It seems to be related to low voltage and happens when the ac is turned on. I’m measuring 13.5-6 at idle with AC off and then it drops as low as 13.2ish when ac is on at idle. While driving it’s hard to hear if the switch is clicking but it seems as if it is not. Started after I installed the sterling charger. I received an upgraded model from sterling with green stripe at the top of the unit. I’m not convinced this will solve the issue but I’m going to swap it anyways.


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What was the explanation for the meaning of the green stripe? I ordered my stuff ignorant of that. I'll see how it goes. Which Sprinter do you have?

FUTURE EDIT: Alan Ferber, Bay Marine Supply, alan@BayMarineSupply.com, phone: 619-320-5899 emailed me back. He said the "green strip" updated versions of the DC/DC (B2B) models have been out in the US for 60 days and that's what he's sending me. He said the AC/DC models (PCU1260) haven't changed since 2014 and he hopes they never will. I've been impressed with Bay Marine AND they were the cheapest. I think they do a lot of US volume for Sterling (eg, listed first on Sterling's web site).
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2011 Carri Lite 37' fifthwheel
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Old 05-27-2019, 04:03 PM   #77
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Default Re: Help confirming assumptions on Sterling BB1260

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What was the explanation for the meaning of the green stripe? I ordered my stuff ignorant of that. I'll see how it goes. Which Sprinter do you have?


I have a 2004 dodge 3500. New hardware and software was the stated reason. It was a 1 minute conversation with the tech support. They didnít want to go any further in the problem solving step while I was running the red striped unit.


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Old 06-02-2019, 11:26 AM   #78
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Default Re: Help confirming assumptions on Sterling BB1260

This is my most recent diagram. I decided to swap my 150A alternator for a 200A new Bosch. I ran out of room on the house batter terminals, so I added some posts that are already installed. The only AC wiring shown is the AC shore power bypassing the AC/DC load center and feeding directly into the Sterling AC/DC charger. This rig is for overland international travel in South America, Europe and Australia. The power strategy is to live off the inverter and stay off unreliable AC shore power, which varies between 110-120V to 230-240V systems of greatly varying quality. However, it does make sense to plug in the Sterling AC/DC charger by opportunity. This charger is universal/global and accepts 90-250V or so. I've got a 277A surge protector in parallel with a 2 pole, 15A breaker between the PCU1240 and shore power.

The solar and battery bank are built. I'm adding the Sterling chargers and shunt, plus a butt load of cabling.

Please have at it. All is welcome. I'm a novice at this. Thanks.

https://drive.google.com/open?id=1zj...1EltsC11zixdtn
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2011 Carri Lite 37' fifthwheel
South America
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Old 06-02-2019, 02:38 PM   #79
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Default Re: Help confirming assumptions on Sterling BB1260

Not sure why outbound PMs aren't working for me, so responding here

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I don't give feedback at that level of detail, nor use PMs for what should be public.

However if you choose one or two sample calculations, post the variables chosen using Circuit Wizard, I'd confirm that and answer questions you might have, in order to increase your confidence calculating for yourself.
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Old 06-02-2019, 03:07 PM   #80
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Default Re: Help confirming assumptions on Sterling BB1260

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Not sure why outbound PMs aren't working for me, so responding here

_______
I don't give feedback at that level of detail, nor use PMs for what should be public.

However if you choose one or two sample calculations, post the variables chosen using Circuit Wizard, I'd confirm that and answer questions you might have, in order to increase your confidence calculating for yourself.
Good morning. Fair enough, so here's the calculations I used for the diagram. These new AGMs I have may last 375 cycles, then I'll go to a lithium bank of 300 - 400 Ah, so I'm showing 4/0 cables for that reason. I'll be living full-time in this rig during a 14 month tour of South America.

I'm including what's being added. The battery bank and other components are installed already.

Thanks

John
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North America
2011 F350, 6.7L, CC, LB, DRW truck
2011 Carri Lite 37' fifthwheel
South America
2006 Dodge Sprinter 3500, 2.7L, 158" (Itasca Navion 23J)
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