Waterloo Sunset

Thanks Tony Now wired up as per. Interestingly, I can see no evidence of any relay or split charge relay in the engine bay. This may because the previous owners stayed permanently in a marina and on a shoreline. There was only 300 hours on the engine when we bought her, despite being a 2007 boat so, perhaps, they relied solely on shoreline for leisure charging? Thank you to all for all your help.

SO like this then Tony?

Thin wires to the BMS are correct to instructions at both the shunt and on the choc block connecting the BMS to the shunt cable. I double checked that against the install instructions and cannot see any chance for grounding since we very carefully pulled the cable through the bulkhead and there are no signs of chaffing on the sheath of the connecting wire. Thanks for your help.

So move the 10mm OD wire to the other side of the shunt? Sorry Iain, I know im being stupid but, which wire do you mean with "Starter battery negative"? The one linking the starter and leisures? EDIT.. Like this?

I interpreted the "out" negatives as the negative returns so wired it like the image below... Before is at the top, below it the way i re-wired it. Starter battery on the left, 3 leisures on the right Turned the isolator back on, everything powered up, no bang, BM2 gives a reading so all seems OK. However, when i turn on the engine (the engine starts at least) the BM 2 still says the leisures are discharging!?!?!

Hi All I am looking to install a Clipper BM2 solely for my leisure bank, but I am confused about the wiring. All the negatives on the leisures, 3 off, and starter are connected together, which I have found is common practice via previous threads on here. The negative return is currently (pardon the pun) connected to the starter battery. Do I fit the shunt between the negative return and reconnect to the starter battery or should I fit the shunt and the negative return to one of the leisure terminals? My limited eletrickery knowledge tells me this is irrelevant since the negative's are all linked anyway. Also, along with the 25mm sq. negative return is a ~10mm OD negative wire which appears to be connected to the Sterling Battery Charger for when on landline. I deduce this since it and a thin red/black wire of bell wire size disappear into a conduit together. The red/black is definitely connected to the battery charger and a black cable of similar size also connects. I have no way of testing this as my voltmeter wires are not long enough. The BM2 manual says nothing else should be connected to the negative return/shunt post. Is this 'other' connection an issue to correct operation of the BM2? Thanks in advance.

I will check all you have suggested but this bit; makes me think the pump is goosed - I will certainly check the holes for scale or other blockages. Thanks once again.

Thanks Tony. When we get to our Marina for winter, I will look at getting an expansion tank and NRV fitted on the hot side. After reading your second point, I realise I haven't explained myself well enough and missed out some possible key info; The shower will run, the flow will slow down/stop and the pump delay on kicking back in means SWMBO is left with no water flow. The time from water flow slowing to the pump kicking in is what I am tying to rectify, Apologies, for any confusion, I should have made this clear earlier.

They did. Confirmed also that, if I run the tap slowly (simulating low shower flow), there is a delay on the pump kicking in. No expansion tank on the hot side and the PRV dribbles whenever calorifier is heated by either the Eber or the engine. I guess the next question (assuming everything appears to be working as intended), is, is there a modification I can make to the system (other than the obvious "fit a high flow head") to overcome the impact of the low flow/high pressure shower-head? Thanks to everyone for their help so far, much appreciated!

Science! I will do this tomorrow and report back. My guess is they will deliver the same volume/mass but I will let you know. Thank you Thanks Nick, I will leave as is then.

Thank you for both replies. Further "tests" show no delay on using the cold taps in galley or bathroom, slight delay (~5 seconds) on the hot taps, but considerably longer delay (~15 seconds sometimes!) when using the mixer shower. Could this be due to the low flow rate through the shower head (one of those ionic bead high pressure gadgets) and the long run from accumulator to the calorifier back to the bathroom which is in the middle of the boat? I will put another 5psi in the accumulator since it is low anyway, thanks TD'.

Hi Looking for some advice/help please: Recently, SWMBO commented that the freshwater water pump seems to take longer than usual to kick in, especially in the shower. The pump is a Shurflo 2095-423-343 which runs at @10L/min with max pressure of 30psi. The cold water accumulator is currently reading 1 bar or ~15psi with the pump off & taps open. This is the first time I have ever taken a reading on the accumulator so I do not know if this is the correct pressure but, intuitively, it seems low based on the pump's max pressure. Any assistance greatly appreciated.

I tried to create a topic in Maintenance but after clicking Submit Topic, the page freezes. I hope this posts so someone can advise what is wrong.