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Topic ClosedConverter replacement
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lostagain View Drop Down
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Posts: 2595 		Direct Link To This Post Topic: Converter replacement
    Posted: 27 Apr 2019 at 8:21am
Hmmm?  Our Pod is a 2009, ancient by RV standards, never had much of a power demand and came stock with a 55 amp converter, which I replaced last year.  The price difference between the 55 amp and the 35 amp is inconsequential so it makes sense to go for the better charging capacity.  Just say'in.
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Fred & Maria Kearney
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podwerkz View Drop Down
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Posts: 966 		Direct Link To This Post Posted: 27 Apr 2019 at 12:40pm
Originally posted by offgrid

 

The slide shouldn't matter, the battery acts as a buffer to provide the current needed and the battery capacity used by the side is trivial because its only running for a few seconds. 


Yes, the slide motor only pulls current to run it for a short period, and yes, normally with the batteries hooked up and in good condition.

My reference was that maybe the factory installs the 55a converter in the slide models so that the slide will operate for 30 seconds or so, with plenty of reserve, while also powering multiple other 12v items, even with dead batteries or NO batteries.

Since the 35a unit is slightly physically smaller and maybe a pound lighter, maybe the FR designers might just want to keep things tidy if a 55a unit is not really needed because there is no slide motor that has to be powered. 

I would assume there is a separate fused line from the 55a converter to the slide motor, but I have not 'drilled down' into a slide equipped r-pod to verify that. My 35a converter certainly does not have that.

Like I said, it's just a guess.
r･pod 171 gone but not forgotten!
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offgrid View Drop Down
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Posts: 5290 		Direct Link To This Post Posted: 27 Apr 2019 at 3:13pm
The slide in mine has a dedicated 30A fuse on the battery buss like all the other 12V fuses. I don't know what current it actually takes, didn't measure it when I measured everything else because I wasn't concerned about its energy consumption. 

Looks like lostagain's non-slide rpod also has a 55A and the current product literature implies all the rPods have 55A chargers, so I'm not sure what's going on there. 
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GlueGuy View Drop Down
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Posts: 2660 		Direct Link To This Post Posted: 27 Apr 2019 at 11:35pm
I don't think the short term draw of the slide motors makes a whiff of difference WRT the size of the converter. We frequently run our slide in and out without being connected to shore power, so the converter is not even running. I don't know how much current the slide actually takes, but I may run an experiment to figure it out...
bp
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offgrid View Drop Down
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Posts: 5290 		Direct Link To This Post Posted: 28 Apr 2019 at 5:41am
Its going to be <30A since that's the fuse size. I think podwerkz' point is that FR might want the slide to be able to operate with no battery in place (probably bc batteries are added by the dealer), and a 35A charger might be marginal for that.  In practice, no one should really be towing a pod without a battery because the breakaway system won't work without one. 
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1995 RV6A Experimental Aircraft
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moro1129 View Drop Down
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Posts: 4 		Direct Link To This Post Posted: 01 May 2019 at 7:18pm
Happy to report, did this mod myself and was easy with your video.  Thanks
~Amanda
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