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: Feb 22, 2026
Registers in the 200 range are indeed in the “Parameter Setting” part, and that is also what has make me doubt, but a few of the different modbus regi...
Registers 200 until 208 are read only according to the modbus table overview.
I've been playing around with disabling weather compensation on the heat pump itself and use custom logic in Home Assistant to determine the LWT and a...
I do not use the wired controller as a thermostat. The heat pump itself is on weather compensation and in our livingroom I have a thermostat(*) that c...
@schnetf i also do not know why the modbus terminals are there, I can think of a few purposes like factory testing and for engineers to debug issues, ...
@schnetf As @cathoderay and @majordennisbloodnok already said, your controller has the required 5 connection points.
As I am a bit involved in the “Svenar” controller, I am curious which wall unit/wired controller you have. Can you share a bit more details?
As somebody with 30 years professional experience in computing, being able to understand the code is way more important that squeezing out the last bi...
Sorry for the offtopic: The bitwise operators are required where one register contains multiple values. As you probably know the registers are all 1...
Feel free to sent me a message if you want some info from a Dutch point-of-view True, but your answer is hard to understand for a geek a...
@editor This is a British oriented forum, but also attracting people from abroad. Do you want their data also in your survey, or only British people?
My Airwell is installed in October 2022 and I do not know the exact manufacturing date. Your screenshot of register 0 is valid for all Midea (clone)...
Latest Posts
-
RE: Heat Pump Overpromising – What Were You Actually Told Before You Bought?
No, I agree entirely. There shouldn't be a need for an ...
By Majordennisbloodnok , 54 minutes ago
-
RE: How many people are happy with their ASHP and do you believe them?
I agree, and not. Energy prices are a largely politica...
By JamesPa , 2 hours ago
-
RE: Solar Produced vs Home Consumed
All inverters will use solar power in preference to dra...
By JamesPa , 2 hours ago
-
Yes, you will need to notify them even if the inverter ...
By Old_Scientist , 2 hours ago
-
RE: Heat Pump Manufacturers Recommending Buffer Tanks
@tony-stolz, I think @jamespa has already covered the h...
By Mars , 15 hours ago
-
RE: Heat Pump Operation in Summer - Valliant 7kW
I do the same: cool my large buffer (3000L) to 10C, pum...
By upnorthandpersonal , 23 hours ago
-
@editor "The interesting bit is that many modern invert...
By Singlespeed , 1 day ago
-
RE: Ecodan & MelCloud scheduling
With the prospect of warmer weather this week, I brough...
By downfield , 1 day ago
-
RE: A2A vs A2W: Which Heat Pump Would You Pick?
I reached out to MCS directly last week on this and her...
By Mars , 1 day ago
-
RE: Help me keep the faith with my air source heat pump installation
My heating developed a really severe case of noise and ...
By JamesPa , 2 days ago
-
RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
@l2jad I was just thinking all things being equal. Our ...
By AndrewJ , 2 days ago
-
Hi, Does anybody have experience with Heat Geek insta...
By sttpd1917 , 3 days ago
-
I will soon be struggling. Admittedly it is the summer,...
By Batpred , 3 days ago
-
RE: Indevolt Batteries UK Support & Info Thread
Not known yet. I've asked a local Councillor to follo...
By Transparent , 4 days ago
