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JamesPa
JamesPa
@jamespa
Moderator
Illustrious Member
Joined: Apr 3, 2023
Last seen: Aug 6, 2026
Topics: 27 / Replies: 5211
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RE: Renewables & Heat Pumps in the News

I have now read the report which is indeed interesting. Summary The starting point (ie control condition) is a house operated on pure WC with WC ...

4 months ago
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RE: Who do I complain to about a poor ECO4 installation, can anyone advise?

@wesleyp1874 I promised a commentary on the non-functional problems and my view of their severity, so here goes incorrect positioning of the he...

4 months ago
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RE: DIY or Don’t Touch? Solarman Smart Meter Install

Dont forget it must go round either live or neutral but NOT both, otherwise the magnetic fields on which the measurement depends cancel each other out...

4 months ago
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RE: My Grant R290 9kW Heat Pump Installation

Well thats a win for starters. Enjoy! You may need tweak the WC settings during the height of the next season, but until then you cant really do so....

4 months ago
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RE: Renewables & Heat Pumps in the News

Thats always going to be a risk for companies that, in some circumstances, make huge profits from public utilities or essential services, Rightly so ...

4 months ago
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RE: DIY or Don’t Touch? Solarman Smart Meter Install

Looks like it needs power to the two terminals at the top (,so it should go in a box for safety) then the CT clamp around one of the wires between the...

4 months ago
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RE: Renewables & Heat Pumps in the News

Another thing I noticed in my quick skim was a graph showing steadier temps with ordinary trvs than with smart trvs which made me wonder whether the o...

4 months ago
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RE: Renewables & Heat Pumps in the News

The original paper is 84 pages long so deserves a good read, which I intend to do. The key question, which is not stated in the summary, is 'what is...

4 months ago
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RE: Installer Fitted 9kW Instead of 11kW Heat Pump and Changed MCS Paperwork - What do I do?

Personally I think you are well beyond believing an installer instinct or NAPIT. When you adjusted the heating as suggested here you were warm enough...

4 months ago
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RE: My Grant R290 9kW Heat Pump Installation

Hot pipes connected to the cylinder should be insulated for at least 1m from the cylinder. 0.3 C/hr is 87W, what is the cylinder loss spec, this does...

4 months ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?

I can't find any actual regulations governing the clearances. It's notable that the new Valiant models have much reduced restrictions on placement so...

4 months ago
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