Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!
Last seen: Sep 13, 2026
Ah... well that seems to prove the case. In discussions with senior engineering managers at NGED, they have cited harmonics from heat-pump installat...
Ah... that's not how I thought a (domestic-sized) 240v AC pump was operated using PWM. I expected the basic 50Hz to still be applied, but that it wo...
Why? Please expand on this. Yes I understand that an (AC mains) electric pump requires a certain amount of electricity to get it started and then ...
If by 'meter' you mean the household Smart Meter or an MCS-approved meter on the mains-output side of an inverter, then there's no problem with those ...
I doubt those 'Victron' bus bars are different to scores of others available with current capacities up to 500A Personally, I've decided to ma...
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...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Next steps on my ASHP journey: Radiators and Pipework
If you are considering phasing the project, then I woul...
By GrahamF , 3 hours ago
-
RE: Siting of the external sensor on a heatpump
Of course had the heat source been a heat pump it would...
By JamesPa , 5 hours ago
-
Never assume, it makes an ass of u and me! OK, tha...
By JamesPa , 5 hours ago
-
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 , 7 hours ago
-
RE: Is it the house or the equipment?
@springswood We have two Daikin single split A2A syst...
By Rob of York , 8 hours ago
-
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
-
No, but the heat pump must be capable of delivering a S...
By JamesPa , 2 days ago
-
RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
By bobflux , 2 days ago
-
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
-
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
-
RE: Adventures in heat loss calculations
I have seen it stated that the declared calorific value...
By JamesPa , 3 days ago
-
RE: Two heating zones to one zone
@transparent Many thanks. The garage is fairly well ...
By Profzarkov , 3 days ago
-
RE: Vaillant Aurotherm - Heater Wire Position
Ah, good point. I need to check if this was installed i...
By Batpred , 4 days ago
-
@batpred thanks for getting a copy. Appreciate the supp...
By Mars , 4 days ago
SPONSORS
