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Last seen: May 31, 2026
@iancalderbank I soldered on small diameter copper pipes onto the pipes feeding into and out of the heatpump, both house side, so they both just ha...
I know of several people who have had A2A installed by a contractor - there was no planning or MCS involved, the contractor is f-gas qualified, and ju...
I installed a gshp myself, partly because it completely avoided all this noise stuff as it's effectively silent - it's basically a regular fridge comp...
I did consider an off grid type system - it's simpler in a way, no need to ask permission if all you do is take power from the grid. And it does have...
We just got a seplos mason 280L kit - I think the BMS has 10E written on it. I can confirm that natively it does talk to the sunsynk.
Just trying to estimate how quickly short circuit currents are likely to rise, not a comment on the fuse itself.
We can calculate the rate of rise of current, if we make an assumption of the inductance which inhibits the current change. 1uH roughly represents th...
@chickenbig Re- 280L Seplos vertical kit - I sent photos and a description to Fogstar, about the lack of compression and non-flat base as the kit p...
In the end it took 5 days to charge at 2A, so about 250Ah went into each cell. When the cells are charged, any variation appears, and it took another...
@misterb Until last years November freeze, we had solar thermal connected to one of our DHW tank inputs. Sadly an ST panel bust, and I decided to ...
A bit of bodgineering below - the 3.6kW sunsynk hasn't got an external fan, so tends to get pretty hot when working hard. Its big brother that I'd or...
I applied online to Sunsynk to be a user. Once you have user name and password, you can request a status upgrade - I chose "installer", which means I...
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Degrees of Separation
Latest Posts
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RE: Siting of the external sensor on a heatpump
I agree. However I would also (primarily) expect that ...
By JamesPa , 7 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 , 10 hours 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 , 13 hours ago
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RE: Is it the house or the equipment?
@majordennisbloodnok I do sympathise. On the original...
By springswood , 15 hours ago
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No, but the heat pump must be capable of delivering a S...
By JamesPa , 19 hours ago
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Sorry to hear about the problems, its going to be somet...
By JamesPa , 21 hours 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 , 1 day 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 , 1 day 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 , 1 day 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 , 3 days ago
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@batpred thanks for getting a copy. Appreciate the supp...
By Mars , 3 days ago
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RE: Tell us about your Solar (PV) setup
We have a 6.56kW solar PV system (16x 410W panels) inst...
By Rob of York , 3 days ago
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