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Old 10-07-2011, 08:13 PM   #15
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OK thats a good start but that is basically only the information for the WFCO AC/DC distribution panel.
WFCO Web Site: WFCO - New world of power ideas - Home

WF-8955 Distribution Panel
Operator/Installation Manual: http://www.wfcoelectronics.com/docum...%20English.pdf
Spec Sheet: http://www.wfcoelectronics.com/docum...0WF-893050.pdf
Brochure: http://www.wfcoelectronics.com/docum...0WF-893050.pdf

Now you need to find the Converter that connects to the 12VDC fuse panel portion of that panel. It is most likely mounted directly behind the AC/DC panel. I would suspect Keystone stayed with WFCO for the converter and based on the panel spec sheet hopefully installed the WFCO model WF-9855 Converter also. That converter is a a 3 stage charger version which is what you want Here is the information for that converter however you have to find your unit and confirm what Keystone installed. If the label on the converter says someting other that WF-98xx (xx = amp rate) then we will need to determine what it is.

WF-9855 3 stage Charger/Converter (55 amp)
Operators manual: http://www.wfcoelectronics.com/docum...%20English.pdf
Spec Sheet: http://www.wfcoelectronics.com/docum...0%20Series.pdf
Brochure: http://www.wfcoelectronics.com/docum...%20WF-9800.pdf

Dave
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Old 10-09-2011, 12:03 AM   #16
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There was a sticker on the inside of the panel as an advert. for the panel and converter. States: WFCO Converter, has 3 stage charging capability to extend life of batteries.
If it is behind the AC/DC panel, no way I can get to it. Have an RV guy coming out Monday and if he has the time, I'll ask him. The only paperwork I have just shows photos of the units and how to rewire them etc. if replacement is needed. No indication of exact model. Just one among the WF 9800 series.

Let us say it is the 9855 model how would that impact the issue with batteries/converter fan going off and on.?
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Old 10-09-2011, 12:59 AM   #17
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Based on the comments you have made in this thread, I take it your are fulltiming in the trailer connected to a campground with electric service. That would mean all 12VDC services are being provided by the converter. The converter monitors it's internal temperature a and cycles the fan ON and OFF as needed to keep the electronics inside it cooled down. Thats is normal. The WF-9800 series is advertized as a 3 stage charger version whos mode of operation (Bulk [14.6VDC], Normal [13.6VDC], or Float [13.2VDC]) is based on current DC system state. It should recharge the battery then pull back to normal mode (also known as absorbtion mode) supporting the normal system loads. Documentation says it would only go into float mode if there no system loads to support. If it stays in the higher 13.6 mode for extended periods do to your system loads, it could result in excess water evaperation. You just need to keep an eye on battery water levels. You should be able to see these different converter output states by using a voltmeter across the battery. Once you understand what the different modes do and are for, then you can evaluate what your system condition is. By system condition I mean battery state and trailer 12VDC load requirements.
If you are moving from place to place, then while in transit the battery is supplying the loads. It may take up to 4 hours or more to recharge the batteries fully. The battery voltage values in the Trojan page table are battery state at full charge after the surface charge has been removed.
The only feature not built into the WF-9800 series converter is equalization. You would have to procure a standalone battery with that feature in order to perform that sort of maintenance. Helps revitallize the battery.

Dave
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Old 10-09-2011, 02:46 PM   #18
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charger or battery?

Quote:
Originally Posted by Dave78Chief View Post
Based on the comments you have made in this thread, I take it your are fulltiming in the trailer connected to a campground with electric service. That would mean all 12VDC services are being provided by the converter. The converter monitors it's internal temperature a and cycles the fan ON and OFF as needed to keep the electronics inside it cooled down. Thats is normal. The WF-9800 series is advertized as a 3 stage charger version whos mode of operation (Bulk [14.6VDC], Normal [13.6VDC], or Float [13.2VDC]) is based on current DC system state. It should recharge the battery then pull back to normal mode (also known as absorbtion mode) supporting the normal system loads. Documentation says it would only go into float mode if there no system loads to support. If it stays in the higher 13.6 mode for extended periods do to your system loads, it could result in excess water evaperation. You just need to keep an eye on battery water levels. You should be able to see these different converter output states by using a voltmeter across the battery. Once you understand what the different modes do and are for, then you can evaluate what your system condition is. By system condition I mean battery state and trailer 12VDC load requirements.
If you are moving from place to place, then while in transit the battery is supplying the loads. It may take up to 4 hours or more to recharge the batteries fully. The battery voltage values in the Trojan page table are battery state at full charge after the surface charge has been removed.
The only feature not built into the WF-9800 series converter is equalization. You would have to procure a standalone battery with that feature in order to perform that sort of maintenance. Helps revitallize the battery.

Dave
Thanks for all the info. and your patience in answering my queries.
To quote you: "The only feature not built into the WF-9800 series converter is equalization. You would have to procure a standalone BATTERY with that feature in order to perform that sort of maintenance. Helps revitalize the battery."
Did you not mean a charger (where I capped my letters)?
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Old 10-09-2011, 02:58 PM   #19
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Take your batteries to a good battery shop and they'll do a capacity test on them under load. That will tell you the condition of the batteries. Most of the rest of the tests we can do are just an indication of POTENTIAL problems and are so dependent on other factors that for most people, they are virtually useless. After using your system for some time, checking voltages, specific gravity, time you use various appliances, charging conditions and so forth, you will get a feel for how your system works and the condition of the batteries at any given time. Until you get to that point, get them tested. It's just about always free and if you watch them when they do it, you can ask questions and get some solid information.

John
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Old 10-09-2011, 04:28 PM   #20
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Yes, meant "battery charger". It was 2AM in the morning and we had just got back from the drive-in movie watching Real Steel and The Help.

Dave
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Old 10-10-2011, 08:55 PM   #21
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Exclamation

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Yes, meant "battery charger". It was 2AM in the morning and we had just got back from the drive-in movie watching Real Steel and The Help.

Dave
DRIVE-IN?!!! There are still drive-ins out there? Boy I miss them, none in No. CA. except for 3 that are some distance away.

No problem, just wanted to clairify.
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Old 10-10-2011, 08:57 PM   #22
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Quote:
Originally Posted by Pigman1 View Post
Take your batteries to a good battery shop and they'll do a capacity test on them under load. That will tell you the condition of the batteries. Most of the rest of the tests we can do are just an indication of POTENTIAL problems and are so dependent on other factors that for most people, they are virtually useless. After using your system for some time, checking voltages, specific gravity, time you use various appliances, charging conditions and so forth, you will get a feel for how your system works and the condition of the batteries at any given time. Until you get to that point, get them tested. It's just about always free and if you watch them when they do it, you can ask questions and get some solid information.

John

Thanks! Good thought, points.
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