
Last seen: Sep 13, 2025
MC4 connect/disconnect tools can be bought cheaply online.But beware that the cheaper ones are likely to be sent direct from China, with a resulting d...
Current limiting in what part of the system? In the BMS unit of the Mason box whose battery has the lower capacity? My experimentation suggests th...
You're quite right to ask for clarification, @bretix My comment about a second device being installed was made in response to what @robl had just po...
I tend to agree. I have been doing a lot of experimentation with busbars coupling batteries and inverters over the past year.My approach also incorp...
To identify what is going wrong with so many of our heat-pump installations, we need the range of approaches and analysis which is occurring in this t...
It is likely that each panel connects into its Solar Edge optimiser using MC4 plug/socket. Then the optimisers are joined into a string using anothe...
That's a very low figure for an inverter with integral off-grid operation. I wonder if that's because they have good monitoring with temperature sen...
Thanks for taking the trouble to post that @grahamh So at risk of me asking a free question... What would you like to see the new Dept Energy doin...
@korwraith - Could I perhaps suggest a method of insulating the front of the case which doesn't use a board covered with aluminium foil? Also... whe...
Your location means that you are in the Central Territory of the National Smart Meter Network. The Data Communications Company (DCC) has assigned th...
Here's my interpretation:
For that size of array, I strongly suspect that each 'cable' is in fact a single 4mm^2 wire. Two wires equals one string.
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@jamespa thanks, I appreciate the offer. For n...
By DREI , 38 minutes ago
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RE: Help me keep the faith with my air source heat pump installation
When I tried to balance my rads I ended up causing an a...
By Grantmethestrength , 2 hours ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
@transparent what I don't understand about these "rogue...
By Scalextrix , 3 hours ago
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RE: Who’s Caved and Switched the Heating On Already?
I have 3 women in the house, 2 little ones, so my heati...
By DREI , 6 hours ago
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@damon thanks. I will do as you suggest. Hopefully I wi...
By bontwoody , 6 hours ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Much of that is true in principle, but its not likely t...
By JamesPa , 1 day ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@dgclimatecontrol I attach the responses from 2 potenti...
By pash44pump , 1 day ago
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RE: Midea ASHP – how to set weather compensation
Mostly, I think, but with some caveats. I set the TI...
By cathodeRay , 1 day ago
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
By JamesPa , 2 days ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
I realise im overdue an update on my situation. first...
By Cleardene-ashp , 2 days ago
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RE: Replacing Worcester oil boiler with an ASHP
@toodles thanks. I was told by the engineer that this h...
By JulianC , 2 days ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
A week later, I'm finally picking up this comment... ...
By Transparent , 2 days ago
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RE: COP is not the only measure of efficiency
We keep all our TRVs fully open using the whole house a...
By Old_Scientist , 3 days ago
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
I am pleased to say at 4pm today we have added another ...
By ASHP-BOBBA , 3 days ago
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RE: Renewables & Heat Pumps in the News
To unpack this a little.... 1) how many of us in this...
By Lucia , 4 days ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
By ASHP-BOBBA , 4 days ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@morgan this can just be done by your sepecilist when t...
By ASHP-BOBBA , 4 days ago
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RE: Anyone still weathering it out with Agile?
@toodles I guess it all comes down to import averages. ...
By Tim441 , 4 days ago
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RE: 300 Liter Tank - Do I have to heat it all?
The size of DHW tank affects the anti-legionella cycle....
By Transparent , 4 days ago