Xantrex Link 2000 acceptance voltage? - SailNet Community
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post #1 of 13 Old 11-23-2018 Thread Starter
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Xantrex Link 2000 acceptance voltage?

I have a Link 2000 controlling a Freedom 20 inverter/charger. After reading the manual it seems the default acceptance and float levels are set to 14.4 and 13.5 based on what you set ambient temp defaults. There does not appear to be a way to set the custom level of 14.8 and 13.5 required by my Trojans.

Did I miss something?

Go easy on me. New boat and I have never had a Link 2000.

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post #2 of 13 Old 11-23-2018
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Re: Xantrex Link 2000 acceptance voltage?

I like the link but the feature will tells you how many hours / capacity you have left never worked for me. What is excellent about this device is that it will give you precise battery voltage and amps going in or out. For me this is all I need to know. The hours/ capacity seems to get out of sync so I just ignore it.

The only thing I am using my inverter for of late is charging re chargeable batteries and the little dirt devil vacuum.

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Re: Xantrex Link 2000 acceptance voltage?

SanderO I take it you aren't using the charger function I am trying to set?

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Re: Xantrex Link 2000 acceptance voltage?

correct Bleem

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post #5 of 13 Old 11-23-2018 Thread Starter
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Re: Xantrex Link 2000 acceptance voltage?

So I am guessing nobody else knows how to override the default settings based on ambient temperature with the Link 2000.

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Re: Xantrex Link 2000 acceptance voltage?

Most old chargers have very limited adjustability.

Check out the other batt type temp charts?

Increase the temp to get closer to your desired Absorb, if you're willing to deal with Float higher than spec'd.
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Re: Xantrex Link 2000 acceptance voltage?

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Originally Posted by john61ct View Post
Most old chargers have very limited adjustability.

Check out the other batt type temp charts?

Increase the temp to get closer to your desired Absorb, if you're willing to deal with Float higher than spec'd.
I think you mean decrease the temp John. The manual for the Link says in order to get 14.8 absorption I need to lower default ambient temp to 50F. Sadly this results in a float of 13.9. I have the solar that is currently on the boat set correctly using the supplied Blue Sky 3000i controller to the batteries so until I can get my other upgrades out of storage I will have to rely on solar bringing them up to float at proper levels. It made it today despite being partly cloudy. Just barely. Previous owner has start and house batteries wired in one bank. 6 Trojan T105 Plus. No redundancy. I have a lot of work to do.

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Re: Xantrex Link 2000 acceptance voltage?

Yes of course sorry.

Using that mains early with that setting, then turning it off would be fine if no loads.

If loads then carry with the solar?

TBH I doubt a too-high Float V would cause any significant problem, unless left stored day after day without loads.

Obviously ideal would be replacing, but not at all urgent.
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Re: Xantrex Link 2000 acceptance voltage?

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Yes of course sorry.

Using that mains early with that setting, then turning it off would be fine if no loads.

If loads then carry with the solar?

TBH I doubt a too-high Float V would cause any significant problem, unless left stored day after day without loads.

Obviously ideal would be replacing, but not at all urgent.
Thanks for confirming. Been on the boat only a few days and I flip on mains in the morning till it gets to 14.4 default and shuts down then hope the solar catches up to true 14.8. Since the fridge draws two amps and the two 100 watt panels already on the boat are barely getting me to float on a partly cloudy day I look forward to installing two much larger panels with the two Victron controllers I have already purchased. Plus wind generator.

Now to decide if I take the two Trojan T105s being called start batteries and combine them with the other 4 for a much larger house bank and get one starter battery charged off of an ACR. All the Trojans are brand new two weeks ago and were only undercharged for about ten days. Time to break out the tape measure and see where I can move them all. Lots of head scratching to come.

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post #10 of 13 Old 11-23-2018
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Re: Xantrex Link 2000 acceptance voltage?

Yes best to put all the deep cycling together into one big House.

Use Starter just for cranking.

Is alt / VR anything fancy? Ideal to wire that direct to House if it will be a significant charge source, then just a little Echo Charger's fine to keep Starter topped up.
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