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Joined: Jan 20, 2022
Last seen: Jul 22, 2025
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Topics: 16 / Replies: 2416
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RE: Cosy Octopus - New ASHP tarrif

There are a number sticking points with devising tariffs, any of which could suddenly be resolved. The buy-in (wholesale price) paid by Suppliers ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My experience with the Selpos Mason DIY kit

Like this: That photo shows two double-pole changeover trips in my off-grid consumer unit.The left one is rated 16A (C-curve) and allows my centra...

2 years ago
Forum
Energy Storage
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RE: My experience with the Selpos Mason DIY kit

Well, I have more than a pair of Growatt SPF-series inverters.And there's some bits you don't get to see in the photos I post online! The SPF range ...

2 years ago
Forum
Energy Storage
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RE: If the supplier won't commission my Heliotherm heat pump what should I do next?

That diagram is a good start @longbyre. We do at least now know that we're expecting mains cables to UFH pump(s) and Heating Controllers 2-core w...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: If the supplier won't commission my Heliotherm heat pump what should I do next?

@derek-m has a reputation on this forum for tracking down manuals 😎 As for commissioning, are we correct in assuming that the ASHP external heat-pu...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How to quickly top balance EVE 280 cells?

Apologies... I too should always add the relevant photos! These are showing two different layout solutions for the same situation. Both use copper...

2 years ago
Forum
Energy Storage
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RE: If the supplier won't commission my Heliotherm heat pump what should I do next?

There are number of points to made here.I'm explaining in greater detail than you might need because others will come across this later. The two...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: If the supplier won't commission? What next?

@longbyre Was this equipment bought from ESP with any form of government/MCS grant involved? This is important because the grant assistance isn'...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: How to quickly top balance EVE 280 cells?

Any chunk of copper bar would achieve that specification! 😉 I usually look out for grade C101, which is 99.9% pure and used commercially for its h...

2 years ago
Forum
Energy Storage
Reply
RE: My experience with the Selpos Mason DIY kit

@misterb if your chosen electrician has fitted the equipment with approval from your DNO, then you should have received a copy of the letter which gav...

2 years ago
Forum
Energy Storage
Reply
RE: My experience with the Selpos Mason DIY kit

I think that's the correct conclusion. An MCB/MCCB is designed to trip at currents which are around 2x its rating. To provide protection for a sho...

2 years ago
Forum
Energy Storage
Reply
RE: My experience with the Selpos Mason DIY kit

As @chickenbig has replied in text, may I also do the same, but in graphics... Here is the twisted-pair configuration we're discussing, which is the...

2 years ago
Forum
Energy Storage
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