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 19, 2024
@cathoderay I have been looking through the Python programs on Github, and I think that you may have to add some additional code to either read the ...
You are perfectly correct, if one studies Metrology, one soon discovers that 'absolute accuracy' is the 'Holy Grail'. When specifying calibration eq...
Your system may have been commissioned, just not very well. 🙄
It would appear that DeltaT has become a topic of interest recently, so it may be useful to investigate why DeltaT is required, what is the primary ca...
I am devastated. 😪 It would appear the 'peasant's are revolting', but then they always have been. Have you been 'eating cake' again? 😋
Low efficiency can be caused by incorrect WC settings, also using on - off type thermostats. Having a buffer tank, low loss header or plate heat excha...
I presume you have carried out a virus check? Am I correct in assuming that HA is written in Python, if so which version? It may not be relevant, bu...
@calzo21 Did you find any faulty thermostats, solenoids, or stuck valves?
Here is some 'bedtime' reading detailing the capabilities of even a micro (very small) PLC.
I think that you will find that Kev was referring to the basic design, equipment type and system layout, which in most cases are independent of the ac...
PLC's were originally designed to replace relay logic, so the developed programming technique was ladder logic, which in many ways is like 'electronic...
@cathoderay I have been working with PLC based system for probably over 40 years, the few slight problems have been due to poor programming, since t...
- 27 Forums
- 2,754 Topics
- 64.7 K Posts
- 1,139 Online
- 7,159 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
RE: Adding additional Solar Panels to a DC coupled battery system
Let's deal with mounting systems first. You don't hav...
By Transparent , 4 hours ago
-
RE: How Accurate Is My DIY Heat Loss Calculation?
@kilgorexv definitely a larger inverter will help and m...
By AndrewJ , 22 hours ago
-
RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
By cathodeRay , 1 day ago
-
RE: Surface mount or bury primaries for heat pump installation?
The installation is almost done! I've written up two ...
By tomasmcguinness , 1 day ago
-
RE: Glass lined Cylinder for private water supply
This has turned into a fascinating little rabbit hole. ...
By Mars , 2 days ago
-
RE: Switch suitable to change between two inverter CT's
Last winter my battery ,32KWh, could run the house com...
By Jancold , 2 days ago
-
RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Agree with Major. And even if I was very happy with ...
By Batpred , 2 days ago
-
RE: Is the "divide by 2900" rule still valid?
There is another estimator that you could use, a formul...
By Rob of York , 2 days ago
-
RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
@penval, really useful update. After all the discussion...
By Mars , 4 days ago
-
RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 5 days ago
-
RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 5 days ago
-
RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 5 days ago
-
RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 5 days ago
-
RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 6 days ago



