Hi Nick, Sounds like the lead batteries definitely help the list problem! Good analysis, and I tend to agree about it being marginal for part-time cruising. I have a good solar capability, and I'm sur

Hi Scott, Thanks for that info, very helpful. I was wondering about the alternator... I do have the MV Alpha 24/110 Alternator, but I don't know if I have the original or series II regulator. Best inf

Hi Courtney, Thanks for that info. Its good to hear about the Relion brand. Sorry to hear about the AGM's, what happened to kill those so quickly? Hi Bill, Thanks for the info. Unfortunately, Transpor

Hi Elja, You are correct, maybe the Lithium batteries will last longer, but maybe not. we don't really know! I know from experience the AGM's should last 5 years. I think its unlikely that the Lithium

Thanks Brent, The problem I've found is that Transporter Energy don't supply the 24V battery model. They only supply the 12V battery. I've seen good reviews of the Battleborn product in this forum and

Hi all, 12 months ago I ordered 12x new Rolls S12-128AGM batteries to replace Stella's (A54-154) waning 5 year old battery bank. My thinking at the time was that I would seek another 5 years from AGM'

Porter, There is also a possibility that the component is not a capacitor. It could be a varistor. If so, it may be a little more difficult to source. Hopefully Sleipner will wake up soon! Cheers Dean

Hi Porter, Is (was) there only one capacitor in the system? Seems like a 4-brush motor might have at least one more. If so, maybe you can carefully lift one leg off and measure it? I would surmise tha

Porter, I like your thinking re BP analogy. If we take that further... as we can measure arterial flow with Doppler ultrasound techniques, we could use a simple flow meter installed beside the pump to

Bill, That's a nicely packaged set. I like the fixed leads which makes Porter's task easier. I am 99.9% certain that they will work just fine as you describe. The 0.1% risk: I could not find any docum

Hi Ruedi, Hope you and Sabine are well, and enjoying sailing once more. I agree entirely with your description of the Danfoss-E51385 interface. To make it maybe a little clearer, in our 24V boat the F

Hi Porter, A suitable relay would be something similar to OMRON G2RL1. You are correct that a 24V pump operated at12V would deliver about half the volume, and yes the volume is certainly important for

Scott/Jamie, I wonder if you could please do me a huge favour, and measure the voltages at pins 1 through 8 on the blue E51385 pump controller with the pump operating and also when the pump is not ope

Jamie, Great news, it seems to be operating as designed. The 24V indicator led is lit up by the 24V power supply from the compressors. This shows that the system is operating from a 24V supply. It can

Hi Bill? In relation you your response in red about the Danfoss controller ... I believe you misunderstood my statement. I was referring to the current supply from the E51385 to Jamie's pump, NOT the

Thanks for that update Scott. As I noted previously, this measurement must be made under load conditions. The good thing is that it indicates that your 51385 is ok. Best regards, Dean

Bill, in answer to your burning question. The 24V supply comes from the Danfoss interface on the pins adjacent to the F pins. So, numbering the pins on the pump interface From left to right as 1 thru

Jamie, Your 12V pump is looking for about 4A supply at 12V according to its specs. The system is designed to operate with a pump supply current of 1- 1.2A at 12V. I suspect you have damaged your 51385

A few points from my understanding of the system. The relay is driven by 12V. The system always drives the relay with 12V regardless of being operated from 24V. There is a reason for this which I won'

I would certainly appreciate Zoom sessions with subject matter experts who can keep us up to date on topics which are relevant to our vessels. Maybe we can add Instrumentation Systems (B&G, Furuno, Ra

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