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Pastis

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Gongoozler

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  1. Ok, brillant, So just between the isolation switch and the batteries, this part is fortunatly accessible. Still I don't get how the wiring has been done : As I have a three stages switch to choose 230V coming from Shore / Gen / Combi (AC output), the three devices are behind an interrupter to the cabin circuit. Then there is two sockets below the inverter, the AC input of the combiner's is plugged in one, the other one might be to plug the shoreline, would you think both are only connected one to each other? Should I link the generator to these switch ? What if shoreline + generator present at the same time in this situation? Wouldn't it be better to put the combi AC input after the switch for the main circuit ? it would benefit from both possible sources, or is it a problem that the AC input is somehow linked to the AC output of the combi in inverter mode ? For the panels installation, I suppose I will need that kind of entry gland (@Tony Brooks, separation with 230 AC, how much, is there a reason ? I don't know where run the cables). Do you have an advice on how to fix it (I read about sikaflex but it seems messy). Many thanks !
  2. @Alan de Enfield, @Tony Brooks, @WotEver, thank you very much for your quick answers, Tony your website seems full of ressources, a shame not to have found it before ! Ok so for the solar panels, I think we will go for the corner solution If I well understood, as our battery bank is 24V and we have the MPPT, connecting the panels in series is quite the best thing to do. To fix the installation, we've read good feedbacks about magnets, and to go through the roof, we were hesitating between using the pigeon box (but may be difficult to waterproof) or drilling (but that we would have preferred to avoid). Talking about the generator charging the batteries, here is the schematics of the inverter (yes this is a combi, sorry for the misunderstanding). For now, I think the shoreline is connected to "AC input", nothing is on AC output 'power' (AC output "short break" is meant to reduce battery power consumption is no loads, I think but not sure). Now when selecting the charge mode, the inverter don't see anything (the AC input light is off, all lights are off...), so I suppose only the shoreline is wired to the AC input. So I could eventually plug here the generator, that's nice to hear ! But so much wires around the generator :S And so for the position of the MPPT, in parallel of the inverter (using the same battery fuse 4)? If the battery bank is 24V, I read somewhere that a there should be somewhere a charge controller, wired to both the alternator and the inverter "battery terminals" ? Thank you again for your advices !
  3. Hello everybody, we are the lucky new owners of a narrowboat, but we have some difficulties understanding the electrical system in place. As far as we can see, the 4x6V leisure batteries for the 24V system are linked to an inverter, and a switch let us choose for the 230V if we want it coming from shoreline (but we don't have access to shoreline), fitted generator or inverter. It seems that only the alternator is charging the batteries, as an amper/volt meter shows no input current when the generator is running. Eventually the shoreline was also going to the inverter which has a charge mode (+inverter mode), so first question is : could we wire the generator to the AC input of the inverter to replace the shoreline charge system ? For the second part, we want to install solar panels, 2x100w, in series with an MPPT controller. Being very new to narrow boating, we looked at a lot of forums and videos but the question of wiring is never addressed once passed the roof. What is the best practice, going above the ceiling ? Should we remove part of the fitting, or make the cables going along the walls ? Shall we wire the MPPT in parallel of the inverter, directly to the battery bank? Many thanks any advices, cheers. PS. If anyone knows an electrical engineer used to narrowboats who works in Oxfordshire, we would be glad to have the contact for an expertise / installation
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