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Illustrious Member
Joined: Jan 20, 2022
Last seen: Aug 14, 2025
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Topics: 16 / Replies: 2425
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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
Reply
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)
Reply
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
Reply
RE: My experience with the Selpos Mason DIY kit

OK, will do.I already have the right contacts in local government to make that approach to the area fire authority. On this evening's BBC TV news I ...

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

I'm disappointed if that's the case. The fitting of red/yellow rotary switches has been a requirement for houses with renewable generation/storage f...

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

Rotary switches, and their use by the Fire Brigade Well that's no good in a house that not only has storage batteries, but also a battery control...

2 years ago
Forum
Energy Storage
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