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Last seen: Sep 13, 2026
@transparent I’ve understood your point now. The point I was trying to make (probably not clearly) is the fairly fast (<1Hz) voltage oscillations t...
@transparent my reading of the report P28 (and probably limited understanding) is there were 3 oscillation events 11am, 12 and then the catastrophic o...
@adamk not all 7kW Vaillants have a noise issue. Ours is fine. We hear nothing inside and although I stood outside last winter waiting for an issue wh...
@renewables345 you say you are 18 and I’m assuming you might be considering this a a future professional direction. I suggest you look at the local fu...
@lucia I look forward to reading the full report it’s a rainy weekend! is there any more in the Spanish reports which has not rippled through?
@toodles that’s good news for @adamk
@drei do you mean running block average, so 6months before and after the date?
I was so hoping that the recent work would give you the heating system you want and deserve. I hope there’s a round 2 to fully sort it out . ...
I know batteries and PV are DC! (& I have a Physics degree.) My point was possibly badly worded. An AC inverter for a battery takes the power from...
Yuck, yuck and more! Others have pointed out lots already and yet your installer claimed that he did a great job! In order of horror level @maj...
We have a 4kW FIT array, and have added a battery with no problems. The key is using an AC inverter to the battery. Hybrid ones charge the battery at ...
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Degrees of Separation
Latest Posts
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RE: Siting of the external sensor on a heatpump
Of course had the heat source been a heat pump it would...
By JamesPa , 2 hours ago
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Never assume, it makes an ass of u and me! OK, tha...
By JamesPa , 2 hours ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
In fairness all heating has cost a lot to run in recent...
By JamesPa , 4 hours ago
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RE: Is it the house or the equipment?
@springswood We have two Daikin single split A2A syst...
By Rob of York , 5 hours ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
You should (almost) always reject having a buffer, by w...
By JamesPa , 1 day ago
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RE: Navigating the World of Refrigerants In Heat Pumps: A Guide for Homeowners
Indeed we are invvestigating AC at present and are havi...
By Toodles , 1 day ago
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No, but the heat pump must be capable of delivering a S...
By JamesPa , 2 days ago
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RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
By bobflux , 2 days ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
R (The R Project for Statistical Computing, I use it wi...
By cathodeRay , 2 days ago
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RE: Vaillant Arotherm Plus 7KW need a service on it
booked it with Vaillant. will use them until i can find...
By AdamK , 2 days ago
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RE: Adventures in heat loss calculations
I have seen it stated that the declared calorific value...
By JamesPa , 2 days ago
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RE: Two heating zones to one zone
@transparent Many thanks. The garage is fairly well ...
By Profzarkov , 3 days ago
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RE: Vaillant Aurotherm - Heater Wire Position
Ah, good point. I need to check if this was installed i...
By Batpred , 4 days ago
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@batpred thanks for getting a copy. Appreciate the supp...
By Mars , 4 days ago
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