13 posts in this topic
By Kev Challen
Been boating for around 6 months all been going well, until a week ago, when I notices the Domestic batteries where not getting charged. Running a Beta 38 with dual alternators and twobattery sets, single starter and four domestic batteries, these are not linked in any way. The started runner circuit seems to run OK. So I did the following:
Checked alternator output, 10v - so not good, so I ordered a new alternator 100Amp 14.1V. This also was confusing as I would of expected to at least see the battery voltage across the alternator. After replacement, still only getting 10V (slight panic as the new alternator was £150) Got on blog and someone mentioned isolator switches, but both mine where replaced when I changed to position of the isolator switches about 6 months ago, and they where not cheap !!!! As a test, I bypassed the isolator on the domestic side and now get 12.8V from alternator (was expection 14.xx) seems like battery voltage......Oh dear so the alternator seems to be working but not at the correct voltage - did it get fried due to a faulty isolator ? the batteries are getting some change, but not whats needed to get them to a fully charged situation. I check both isolators, ie domestic and started, and both seem to be intermittent, sometimes they work, other times not, and pushing the key in seems to affect their operation. Seems like both need to be replaced. Just got back from boat, slighty frustrated, but slighty happy about the fact that the isolator switches seem to be the issue, but worried about alternator output.
Did I fry the alternator, due to a faulty isolator switch, I have the original which I have go repaired and was going to use as spare Why only 12.8V. is this linked to above and/ is this the battery voltage showing Any suggestions on a good make of isolator hope that makes sense.
Hi. So I've lived on boats for 15 years but have always had port potti's (easy & simple!) But I've just bought a new 2nd hand boat that has a fancy flushing toilet and I have no idea how it works or where to start? Do I start by trying to use it ~ or should I attempt to flush it out (from the outside inlet on the gunnel) and pump it out before attempting to use it? I have no idea when last the boat was used or what state of fullness or empty-ness the tank was left in or for how long. (I bought from a broker who knows nothing about the boat and doesn't want to give me contact details of previous owner - I guess they don't want me finding out how much they bought her for???? - who knows the reason). There is a large integral steel tank under the double bed which is next to the bathroom which contains the toilet which is quite posh looking, it sits on a little raised area with a electric press button switch on the wall) It's a Vetus toilet with 3 buttons, eco-flush, normal flush & then a press and hold button. Vetus' website isn't very clear on how to use it but I really don't want to press any buttons and have waste start bubbling up at me through the pan......... am I being paranoid?
I have just moved onto a canal boat and am looking to update my electrics and install some solar panels. I am a newbie so really appreciate any advice you can give. I have been attempting to do an electrical audit (using a template I found online)
Firstly I wonder if someone could have a look over it and see if I have made any glaringly obvious mistakes?? I have done my best but I must admit I do find the electrics a little confusing !!
I am continually cruising and my boat is 57x10
I am looking at installing:
- 3x 260w or 305w solar panels (with the plan to add a fourth in the future)
- 2x 40A MPPT controllers
- Victron Multiplus Inverter/ Charger
- A monitor of some kind recommendations apreciated!
I will also have a Honda EU20i generator to top things up.
The questions which I am struggling to find answers to online are...
What is a good size battery bank to match this system? I have been told it's important not to go too big as it means lots of time spent trying to charge them up. Not to mention the expense.
Is it a good idea to get a multiplus inverter and charger or a separate inverter and charger?
I am thinking about purchasing a washer dryer which will need 2.1kw to run (not shown on audit) would it be acceptable / advisable to run this of my setup while the generator is running? So the batteries / inverter would only need to supply the extra bit of energy as the Honda is only rated at 1600w continuous.
Is there any other major bit to the system I am missing. My understanding is Batteries / Inverter / Charger / MPPT Controllers / Solar Panels / System monitor. Do I need fuses or any other bits?
Thanks in advace for your time.
Look forward to hearing your opinions. (Please be gentle I am new and still figuring it all out)
just figured out how to attached the file hope that works ok : http://www.martin-price.org/downloads/boat.pdf
I am about to start fitting out a widebeam sailaway boat. I need an electrician to connect up the leisure batteries to the alternator and then to a fuse board. Once this is done I am confident to do the rest it is just this stage I am unsure of.
I am struggling to find an electrician who will come to my boat to do this, the boat is currently at Hayes and Harlington and I wonder if anyone knows any good electricians who would be able to come to my boat to do this stage for me?
Well I am sitting here full of Christmas chear and feeling slightly board so I thought maybe the Eco fan could do with an overhaul. I can remember last time I stripped the motor down, cleaned the com, beaded in the brushes and greased the bearings. It was then that I noticed that it hasn't got a fuse in circuit. Now as the positive and negative are boat floating above earth potential should I put a fuse in both cables, if co what size? Do you think it would be better neared the motor or the Peltier pile. Maybe I should connect an earth strap and connect the neutral conductor to the hull, but if I did that should I also bond the stove as I could get electrolytic corrosion forming on the top. The heat sink is aluminium I think so would that act as an anode on the cast iron stove top.
I wish I hadn't have started this job now. Why do they always escalate so
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