nottheone
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Posts posted by nottheone
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As others have said the asking price is crazy. It's worth half of that at best. If you do go to view it make sure to make time to walk around the whole site. You will most likely see a few other boats with for sale signs on. Also ring Redhill office and ask if they know of any other boats for sale on site. Boats often change hands there before they have been advertised.
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OK thank you very much for that , it makes sense .The only thing
I could think of was inrush current.. The inverter in question should never pull more than the output is rated for and and I replaced the 20A fuse suppling the inverter with a 4A one and could not get it to blow. Do you know roughly how much of a higher inrush would it have compared to a fridge or pump ?
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And to get back on topic the smaller Victron inverters are also supplied with out the outputs tied to earth.But the manual mentions that you may want to and this is fine.
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Hi Nick one of the questions I wanted to know from Renogy was why I should never connect an inverter to the load terminal on one of there Mppt units. I can't think of any reason not to so have done it anyway but you seem to have a great knowledge on this stuff. Obviously the load I have connected is well below the rating of the load output. Sorry Blackrose for the thread high jack.
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Renogy's Technical department is most definitely the most useless one I have ever contacted. I have had two fairly simple questions I wanted answers to and they couldn't help with either.
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The op stated he was asked to light the cooker, does that mean the oven or the smallest ring on the hob ? Would this matter and if not why would the guidelines say small burner / pilot light ? An oven would use many times more gas than a pilot light. Also what is the problem with metric pipe ? As far as I can see nothing in the BSS says you cant use it or am I wrong ?
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The OP has mentioned its a narrow boat.
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If the seller of this boat values it as the same same price he values a second hand SR2 I would not waste my money on a survey and walk away now.
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How old is the boat and has it been overplated ?
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Soar Valley boats are worth a look .They definitely do wide aswell as narrow.
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Ask in the office for Rods number.he is based at the marina.
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Alan I hope for you and your family to all find happiness one day x
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Thanks Mtb that's good to know. Have not used any of their kit yet but I do have one of the mppt controllers and it seems well made for the money. But as they don't cost that much less than victron probably not worth risking.
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As others have already said your existing controller is not really the right thing for the new panel. I like the basic Victron 20a mppt as a fit and forget for about £100 or pay about an extra £40 for the smart version if you want to be able to monitor it from your phone. If going cheaper the ep ever or renogy ones might be worth a look.
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It is definitely worth checking the specs of your controller and the new panel before connecting them together. If it is just a cheap one it might not be designed to cope with a panel voltage over about 25v. If the controller is an Mppt from a decent brand its unlikely to be a problem.
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https://www.ebay.co.uk/itm/264394710950
Most low profile traps will need a hose tail adapter of some sort.
I have recently used one of these. seemed to work well.
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Is it possible that this is a vertical calorifier that has been fitted horizontally ? Might explain the odd description of the pipe locations.
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It is a little on the high side it really shouldn't be over 253. What are you using to measure the voltage ?
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The Redshaws are definitely still trading and did an amazing job making some bits for me a couple of weeks ago.
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3 hours ago, Alan de Enfield said:
2/0 AWG is not big enough.
2/0 AWG is rated at 225 amps at 60 degrees - your victron will be using 300+ amps if it is working towards in maximum 3Kw
The length from battery to Inverter will also affect the cable size needed - is it more than 1 metre ?
Hi Alan unless you know for sure his cable run is over 3 meters this is incorrect.
Most suppliers rate there 70mm2 welding cable at well over 400a continuous at the low voltages we are talking about.
3m of 70mm will have a lower volt drop than the 5m of 100mm that Victron class as acceptable.
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Yes fully recharge the batteries if you can. But even if you can just them back to 12v you will get a better idea of whats going on.
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1 hour ago, canalboat77 said:
Yes I think next step is to try some new batteries to just rule this out. Just got to find someone who supplies them.
I wouldn't necessarily give up on your batteries just yet just try to get some charge in them asap. I am guessing you are setup to charge them from the engine as well as from shore power ?
As other have said the cable thickness is a bit marginal but I don't think its the cause of your problem.
Was it at 3kW inverter installed before you fitted this one ?
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1 hour ago, pearley said:
My Multiplus manages OK providing I reduce the charge rate down to a trickle for the first couple of hours. Easy to do with the remote.
Hi Pearley I think we are both getting at the same thing, but you know the clever way around it using the remote. I guess it would also work with the dip switches ?
Smart chargers have got a lot smarter over the years.
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Just to add if you have meter and the know how it would be well worth disconnecting the 4 leisure batteries from each other and testing all of their voltages individually to make sure you dont have a bad one pulling the others down.
Solar - parallel or series?
in Boat Building & Maintenance
Posted
Hi Ian I don't think I have ever seen max input current listed as a specification on an Mppt unit. Most are rated for output current which would be the same if wired series or parallel.Out of interest which units are you referring too ? Obviously input voltage does need to be considered.