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Last seen: Aug 26, 2026
I am wondering if in any V2X, would the car battery ever send DC to the EV plug or always AC? And what happens when a V2X car is plugged into a rece...
Good point. To use that, you need some device that allows the power of the car HV DC battery to be fed to the home: a special adapter in the char...
This is what the Solis Engineers sent me about earthing, it does not mandate a rod in all situations, but it may apply: When no voltage is present...
I remember reading in some inverters. They mandate a separate earth arrangement for the inverter to work on UPS/backup/off-grid mode. It could be beca...
Yes, the one I use is 125Amps double pole. Top powers the inverter, middle=off, bottom=connect backup loads to grid I have not found a Geya consume...
We always had it, it is very useful. We had multiple changes made over the years and never had a visit from the DNO for it. 1) EV charger 2) new ki...
This probably makes it simpler to see... In James's case, perhaps the simplest is to make the existing consumer unit become the...
I think the assumption is that the inverter would be able to continue supplying power to the old consumer unit. In order to have a fully automatic sys...
This really helps. But I cannot work out the icon on the right, I assume the utility meter? The house earth is usually provided by the DNO... My su...
This is a typical/higher consumption day, the main activity being overnight charging..
When I did the commissioning tests on the Solis, specifically switching off the main grid to the consumer unit, I just heard a few clicks after a few ...
yes, the circuit needs the usual protection, mcb and maybe rcd. then you also need a lockable isolator.. I am 99.99% sure the Solis wi...
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Degrees of Separation
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RE: Who's your electricity provider and what's your tariff?
@old_scientist Have you ran the numbers as to which ...
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RE: How Accurate Is My DIY Heat Loss Calculation?
D'oh - of course. I shouldn't post before my brain is f...
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 22 hours ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 22 hours ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 3 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@majordennisbloodnok @tomtheheatingengineer For my ...
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
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