Jeff, thanks! I found it in both my owners manuals: The original WIN=12X20B3RT dated September 2003 on the Specifications page 6 and WIN12X20B3R1T, dated January 2007 on the specifications page 4. The reason I have two manuals is because I had to have my Dimensions rebuilt in January of 2008 and in the rebuilding they upgraded it to the later model which included the remote panel.
I am not sure about the design differences of the internal gizzards, but the WIN-12X20B3R1T model has three new trouble shooting screens: 1. "Charger - off Batt hight temp" 2. "Charger - off check Batt probe 3. Chgr - off AC bad inverter off."
Another thing I noticed different is that the charging time periods are different. At less then 400 amps the wet cells Acceptance went from 3 hrs to 2 hrs; Conditioning from 6 hrs to 3 hrs. And the conditioning cycle went from 5 to 10.
Thanks Sammie for bringing this to our attention. I don't use my inverter much so its helpful to be reminded how it works.
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SteveG
'10 Phaeton 36 QSH-
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