Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering youāll be able to ask questions, join discussions, follow topics youāre 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 9, 2026
@filipe - this is the key data at the transition time with rather meaningless minute COPs added but they do show how the abberation occurs: At the...
Another thought, in reality a restatement of @derek-m's thinking, perhaps my implied assumption that one minute's energy in is directly responsible fo...
In the yellow highlighted section, sort of. What happens is this. The space heating is on 24 hours a day, and uses weather comp to regulate heat outpu...
In the on_off columns, it is being used as a binary on/off value, but being a number it has the useful side effect it can be used to zero a calculatio...
@iaack - thanks. The 11.6, which is definitely for the hour not minute, is definitely an artefact, caused by the erroneously high energy out figures f...
@derek-m or indeed anyone - I have almost got the python code to do everything I want, including allocating energy in and out to space heating or DHW ...
@william1066 - it goes without saying (at least I hoped it did) that what I write about HA is based on my observations experience and opinions. ...
@majordennisbloodnok - thanks as ever for your welcome thought and comments. I think this thread, and the 'journey' it documents, is a sort of necessa...
@editor - very glad to hear about your background, it puts you in a good place to deal with this. Despite being legalistic in my earlier post, I also ...
@kev-m - I've done a fair amount of writing in my time, and some of it has been close to the bone, meaning I have to know about libel, and yes it is a...
Sorry, should have been clearer. Here's my setup in a rather unelegant image, but I hope at least clearer: It's similar to the Samsung set up,...
That got me thinking. I think it is more accurate to say the heat pump (ie the PCB in the outside box) is the true slave, and the wired controller is ...
- 27 Forums
- 2,762 Topics
- 65 K Posts
- 1,718 Online
- 7,168 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Adventures in heat loss calculations
At this point its probably worth pointing out, for futu...
By JamesPa , 2 hours ago
-
RE: Tell us about your Solar (PV) setup
We have a 6.56kW solar PV system (16x 410W panels) inst...
By Rob of York , 5 hours ago
-
Interesting also to see his comment on the heating indu...
By JamesPa , 5 hours ago
-
Vaillant Aurotherm - Heater Wire Position
I wanted to check the actual position of the Heating Wi...
By trebor12345 , 6 hours ago
-
RE: Where heat loss surveys seem to go against practical reality
@cathoderay @jamespa I've managed to get some nice re...
By Rob of York , 1 day ago
-
RE: 7kW EV Charger Options Advice
Doh, not sure that I was thinking straight there, less ...
By Rusty , 1 day ago
-
RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
Iām really liking reading through this thread and the r...
By Judith , 1 day ago
-
Thank you @trebor12345
By rgabor , 2 days ago
-
Panasonic Free Multi Z and Etherea Internal units.
My prospective installers have suggested the Panasonic ...
By Toodles , 2 days ago
-
RE: Next steps on my ASHP journey: Radiators and Pipework
Great. You just need to find a way of cranking up your...
By JamesPa , 2 days ago
-
RE: Heat Pumps Without Grants: Would You Have Installed One & Will You Now?
We had two heat pumps installed without Govt funding. H...
By Rob of York , 2 days ago
-
My Adapt is finally installed and running! Almost a yea...
By tomasmcguinness , 3 days ago
-
-
RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
By Majordennisbloodnok , 5 days ago


