Last seen: Dec 4, 2025
@misterb Yes. In the case, compressed, with a capacitive active balancer. I think balancing should not be done uncompressed.
We charged our 15.5kWh 280L system to 56V in AGM V mode (3.5V per cell) over the coldest months with Octopus Go, which is 100% or near enough. That w...
@ggw I think the cable to the unit needs to be double insulated if you can touch it. Ideally the twisted pair from the CT should be away from any ma...
Personally I think it's only worth insuring stuff when your life would be really difficult without it. Home against fire, car, medical if you're on h...
I used 50mm2 cable, sunsynk 3.6kW to 100A givenergy breaker to 280L fogstar. 50 is the largest that fits all the above.
@wasz Note: If you're adding a 3.6kW inverter to a 1kW system, you'll have to ask your DNO if that's ok. G98 is the form I think. You get a total o...
@wasz Yes! To be clear, we have 10 year old FIT PV, and more recently a 3.6kW sunsynk Ecco with a 15.5kWh battery. The 3.6kW Ecco inverter charge...
East/West split is actually quite favourable these days, as PV payback is all about replacing self use now, rather than the FIT (which doesn't exist a...
@geo3geo That graph I did is in excel (I think version 2006), using the best fit line it has built in. You can select linear / polynomial / lots o...
Attached below is a link to more detail on our gshp system. It's over at buildhub - the first post there has a 3MB pdf where I left the details of wh...
I'm glad you asked! It is very low, but it does work for us. The heatpump is diy - I guess I started building it with cheap parts for interest, thin...
It's worth having a go at calculating your expected daily electricity use. Everybody is different, but I hazard a guess that the national average is a...
Latest Posts
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Sadly, no, @agentgeorge. The inverter will handle 5kW t...
By Majordennisbloodnok , 2 hours ago
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RE: New Fogstar 15.5kWh upright solution
@transparent The readings are 0 for amps, 0 ...
By Batpred , 2 hours ago
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RE: Say hello and introduce yourself
@velcro welcome to the forums. Please feel free start a...
By Mars , 2 hours ago
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RE: Speedcomfort radiator fans
I watched the video to see whether they'd potentially b...
By Sheriff Fatman , 3 hours ago
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RE: Mitsubishi Ecodan R290 10kW performance
@ecoste For what it's worth, this is my equivalent data...
By Sheriff Fatman , 3 hours ago
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Daikin EDLA11D3V3 DHW Settings
I have a newly installed EDLA11D3V3 which I'm still get...
By Velcro , 3 hours ago
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RE: Setback savings - fact or fiction?
Will come back to the above points, but for now, I've j...
By cathodeRay , 4 hours ago
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@jamespa I have found that it comes as a shock when we ...
By Toodles , 5 hours ago
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RE: My Powerwall 3 Consumes 3-4 kWh/Day in Self-Consumption: Is This Normal?
I suspect a good chunk of the "losses" are power consum...
By Bash , 6 hours ago
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RE: Need Help Optimising My Rushed ECO4 Install: 12kW Bosch Heat Pump
Hi @mickamills . Welcome to the forum. It sounds like...
By bontwoody , 7 hours ago
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RE: Midea ASHP – how to set weather compensation
@curlykatie did you get sorted with this?
By MickaMills , 7 hours ago
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RE: External pipework insulation
@transparent I hope you are not being admonished @trans...
By Toodles , 8 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
The FT levels off at either the set point OR the minimu...
By AndrewJ , 1 day ago
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RE: MyVaillant Connect Regular Disconnect
Thanks. Yes, if the time is consistently 11pm every nig...
By buckwem , 1 day ago
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RE: Who's your electricity provider and what's your tariff?
@transparent Thanks, this helps. Could it be that St...
By Batpred , 1 day ago
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RE: Clivet ASHPs and weather compensation
Simon did share a lot of very helpful advice. On furthe...
By ambris , 1 day ago
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RE: Advice on internal circulation pump noise
Extend the primary branch and make sure you have more t...
By ASHP-BOBBA , 2 days ago
