
Last seen: Aug 13, 2025
I'm struggling to follow that.I need units 😉 So you have 6 Canadian Solar panels, each rated at 425w and connected in SERIES to one of the ...
The problem with the maths is that you're starting with two different types of panel. I proposed (purely as an example) 425w panels manufactured by ...
@david999 we did the calculations for the number of panels you could connect earlier in this topic here. It depends on the rating of the panels, so ...
In conversations with engineers in the UK electricity supply network, they use the term 'off-grid' when the 240v AC is not synchronised to the 50Hz of...
Yes, I agree that my terminology doesn't embrace 'off-grid' in the way that it would be perceived by a crofter in Scotland, for example. I'm suggest...
Realistic in terms of price?Or because of practical arrangements to have a storage battery installed? The financial viability depends on what you're...
Indeed! We should be primarily considering the off-grid route. The topic DIY solar upgrade - Considering adding more panels is actively exploring th...
Yes, I agree that cables from PV panels offer a flexibility which cannot be matched by the insulated pipework required for a solar-thermal array. Ov...
🤗 If @david999 wasn't so far away, I'd be introducing him to my welder and watching how he welds aluminium.Yes, I clean it with alcohol, but ...
To pull the UK towards Net Zero and reduce energy bills, we really need a more wide-ranging skill set than you'd obtain from a course aimed at a singl...
Choice of Battery Management System: If the option was there, I'm quite attracted by the BMS unit which Fogstar have selected for use in the enclosu...
You're more likely to die from DC because the human nervous system doesn't automatically cause the muscles to pull your body away.... just a thought !...
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@old_scientist yes, assumptions are crucial. For many p...
By Tim441 , 7 minutes ago
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RE: Who's your electricity provider and what's your tariff?
That's the sort of good design we would expect from Tes...
By Transparent , 35 minutes ago
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RE: ASHP heat output monitoring
@carlo I have a 16kw LG Therma V. Installed 2020 so eve...
By Tim441 , 1 hour ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@morgan They may be good but cannot service the heat pu...
By dgclimatecontrol , 1 hour ago
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RE: Mitsu Wireless Controller and MelCloud
@davidalgarve If they are 'off' because of a timed s...
By Morgan , 3 hours ago
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RE: Octopus Cosy & Octopus EV + bidirectional smart tariff, together. What, eh?
@old_scientist me too. Just installed my new heat pump ...
By Eliuccio , 2 days ago
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RE: Is your heat pump insured?
Yup just spoke to Privilege to inform them of my impend...
By Scalextrix , 2 days ago
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RE: Forum updates, announcements & issues
Just to keep everyone in the loop, as the site continue...
By Mars , 2 days ago
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RE: Fast DHW setting on Midea (Clivet) heat pump
@simon-w, is this something you could potentially assis...
By Mars , 3 days ago
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RE: Share Your Experiences with Heat Pump Manufacturer Support
Fwiw I called my installer out for the first time a few...
By JamesPa , 3 days ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
@sandy, I'll send Vaillant an email tomorrow and see if...
By Mars , 3 days ago
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RE: Long term efficiency degradation
@jamespa yes as I thought thanks. We have a reaso...
By Scalextrix , 3 days ago
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RE: Who has a V2G EV installation
I agree, but a word of caution. V2X is also sometimes u...
By Majordennisbloodnok , 4 days ago
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RE: Sunamp Thermino Heat Battery
@jamespa A few days after the installation had been com...
By Toodles , 4 days ago
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RE: Planning Permission May 2025
Fair enough. I have read the legislation and MCS020a ...
By JamesPa , 6 days ago
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RE: How do I choose a single room MVHR to prevent losing heat in my bathroom ?
An update on the Heatsava. It is the most difficult thi...
By heat-pump-newbie , 6 days ago
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RE: Renewables & Heat Pumps in the News
this document extensively describes (in a non-blame, ne...
By Judith , 1 week ago
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RE: Ecodan - Legionella Operation Time and Target Temperature
Once the white plastic cap is removed, my immersion loo...
By Old_Scientist , 1 week ago
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RE: Replacing Refrigerant on Mitsubishi Heat Pump
@dgclimatecontrol I don't know, but they were not happy...
By DavidAlgarve , 1 week ago
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RE: Why do we need pressurised systems?
A good question @toodles. My old open thermal store and...
By AllyFish , 1 week ago