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Illustrious Member
Joined: Jan 20, 2022
Last seen: Jul 11, 2025
Profile Activity
Topics: 16 / Replies: 2412
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RE: Say hello and introduce yourself

Apologies for not appreciating the difference between a GSHP coil and one being used as a heat-exchanger. Nonetheless, its efficiency is constrained...

3 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Say hello and introduce yourself

Thanks for clarifying @alexm but I don't think that would work. Firstly I would expect any GSHP installer to provide a desk-study/survey based on th...

3 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Say hello and introduce yourself

The installer should not have used a 5kW grid-tied inverter under these circumstances.It's not their decision - because they are required to operate w...

3 years ago
Forum
Introductions, Forum Rules & Updates
Reply
RE: Questions about Ecodan cascade system

Yes @tommcl - there are several topics in which such strategies are discussed. Battery storage is one of my own areas of expertise.That doesn't mean...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: A beginner's journey into DIY home energy storage - no solar!

NH fuses. Ignore price for the moment @korwraith and let's concentrate on what the fuse is intended to do. NH fuses are a German design/specificatio...

3 years ago
Forum
Energy Storage
Reply
RE: Questions about Ecodan cascade system

Hi @tommcl and welcome to the forum. There are others here who can address the Ecodan questions better than I. But I'm intrigued as to the 6kW of ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Shelving options for LF280K batteries

That's a very helpful photo @chickenbig - thank you. Here's the dimensions of a battery in the relevant orientation with no spacers between cells in...

3 years ago
Forum
Energy Storage
Reply
RE: Shelving options for LF280K batteries

I'm somewhat struggling to picture these shelves with your dimensions @chickenbig Graphics would make it a lot easier to follow - either the sort of...

3 years ago
Forum
Energy Storage
Reply
RE: A beginner's journey into DIY home energy storage - no solar!

Sorry - I disagree.It may operate as you describe, but it doesn't comply with the regulations. User-configuration processes to restrict the output t...

3 years ago
Forum
Energy Storage
Reply
RE: Shelving options for LF280K batteries

Mainly for the benefit of others who will arrive here in future, may I present the following chart showing Extra-Low-Voltage (ELV: 12-60v DC) cable si...

3 years ago
Forum
Energy Storage
Reply
RE: Shelving options for LF280K batteries

Ah... thanks for clarifying, @chickenbig - So you're using all 32 cells within a single battery which has one BMS unit to protect it. The standard c...

3 years ago
Forum
Energy Storage
Reply
RE: Smart smoke detectors

I have mains-operated smoke alarms in my house. There's a 'signal' wire which carries the 'alarm-on' command to all others in the network. I've do...

3 years ago
Forum
Safety, Regulations, Tools, Plumbing & DIY Installations
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