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: Mar 20, 2026
@cathoderay Newer manuals display this however:
Perhaps it would be better to just change the cold end, as it seems to be low. Surely the whole line will be changed, but not as much as if the whole ...
@cathoderay Are registers accessed by the address indicated in Midea's Modbus mapping table ? Because I found the actual address is +1.
Are weather curve parameters changed through serviceman mode ? Not in my controller (I think).
@pash44pump Midea has introduced the R290 series, which is more efficient. I attach the specs so that you can compare performance with current R32 m...
@cathoderay and @JamesPa Thanks for reply. My current setup is 'Room temp.' with custom WCC 9, which exhibits the usual cycling around the set LW...
Hello everyone. My Midea wired controller has the following screen: I cannot quite understand the differences in actual operation of the top 2 o...
Much better indeed. Taking advantage of the clarity and perhaps being boring, I would say that the observed cycling (in fact over/undershoot of unacce...
Are you suggesting the controller is an "on-off" one? Because that would null the inverter capabilities, i.e. smooth, continuous control of the LWT. ...
I don't think it is that simple. From what you say, you will have 3 parameters on which flow temp will depend. I am curious to learn of your rule tabl...
I wonder, couldn't you set the LWT instead of the WCC ?
Please excuse my ignorance but what do you mean by "automations" ?
- 27 Forums
- 2,745 Topics
- 64.5 K Posts
- 510 Online
- 7,149 Members
Join Us!
Installer Finder
Degrees of Separation
Latest Posts
-
@davidb I can’t help you with contacts at Vaillant unfo...
By Mars , 1 hour ago
-
RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@Ian-S, I actually think this is a pretty reasonable pl...
By Mars , 1 hour ago
-
RE: Who's your electricity provider and what's your tariff?
@toodles I invested on Miele a pair of frodge frozor wh...
By AgentGeorge , 5 hours ago
-
RE: Flushing system, cleaning and inhibitor
Flush and fill all complete. Octopus kindly gave us a...
By Old_Scientist , 5 hours ago
-
RE: Wood burner with ASHP - direct air?
For what it's worth I installed a wood burner in this o...
By BlizzardGreen , 6 hours ago
-
RE: Do I add Air Con or MVHR to existing A2W ASHP?
I think I saw a diagram for an exhaust air dhw tank wit...
By JamesPa , 1 day ago
-
RE: Indevolt Batteries UK Support & Info Thread
Thanks, however that's an answer to a subtly different ...
By JamesPa , 3 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
@toodles Such elegant symmetry. look at my lumpy bag of...
By Papahuhu , 4 days ago
-
RE: PV and battery long payback - sense check query
Quite probably not, but you can get a 32A relay and a S...
By JamesPa , 4 days ago
-
I don't notice mine defrosting, and most of the time Im...
By JamesPa , 5 days ago
-
RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
Kind of you, @calumm, but it was @f1p who did the heavy...
By Majordennisbloodnok , 6 days ago
-
RE: Electricity price predictions
2. As EV ownershp increases it'll certainly increase de...
By EtchedPixels , 6 days ago



