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: Jun 28, 2025
@m1kegibson If you are able to access the service menu settings and navigate to the thermistor readings, I suspect you may find the answer as to wh...
@anca1808 I'd certainly backup the suggestion from @rhh2348 to check the consumption as measured by the unit - I know it is the main culprit in your h...
Thanks @abernyte - I remember seeing this video before, the technicalities are still beyond me but the general idea is useful to understand. Like...
@clockworks Looking at your flow temperature graphs, the rise before the pump stops is not particularly big. You could try this: Under Operation set...
The default setting is that the DHW is always 'on' but actually runs when the tank temperature drops below the max temp drop value. To force the DHW t...
"cycling is bad" - cycling can either indicate the inevitable result of the heat demand falling below the heat output of the pump or it can be a failu...
For clarity: The only reference to system volume I can find in the documentation I have relating to my EcoDan refers to the space heating circuit. The...
@alsocold123456 Only the primary circuit runs during the defrost cycle so shouldn't be taking heat out of the water sitting in the secondary heating ...
Amps - yes, you did say. Not the most useful measure to have graphed though!To your examples:Lets say 34 is the temperature at which the radiators to ...
I think this might be a different set of parameters for the user to interact with than the typical uk/european ones. That lower green line I commented...
As someone with an over-sized HP and the lower level of performance this entails for much of the year this strategy has a lot of appeal! I have a good...
I find the graphs somewhat hard to reconcile against the references to 31 or 32 @ 3° ambient as in both the flow temperature seems to be targeted at t...
Latest Posts
-
RE: Indevolt Batteries UK Support & Info Thread
Thanks @editor , @indevolt-uk Subject to any comments ...
By JamesPa , 7 hours ago
-
RE: Share Your Experiences with Heat Pump Manufacturer Support
@seoras Sorry to hear that. I found Vaillant very help...
By JamesPa , 8 hours ago
-
The Watchdog That Watched and Waited
On 9 January 2026, Consumer Energy Solutions collapsed ...
By Mars , 11 hours ago
-
RE: GSHP Kaput After 16 Years: New Compressor or Switch to ASHP? Advice Welcome
Cool Energy in Grimsby sell ground source heat pumps an...
By DerekDeLeon , 12 hours ago
-
RE: Valliant Heat Pump Settings
Thats arguably a sign of a good installer - they unders...
By JamesPa , 13 hours ago
-
RE: Electricity price predictions
Well, we have so many cases where rain water mixes with...
By Batpred , 13 hours ago
-
RE: Two heating zones to one zone
@profzarkov They arent obviously wrong, but the only...
By JamesPa , 16 hours ago
-
RE: Towns water feed to air source heat pump system
The DHW circuit cant be separated (well it could, you c...
By JamesPa , 16 hours ago
-
Solis AC-coupled 3kW storage inverter
Solis AC-coupled 3kW storage inverterPylontech batterie...
By MartinRobinson , 22 hours ago
-
RE: My NIBE ASHP Nightmare: No Commissioning, High Bills and a Hostile Installer
As @transparent has observed above, this is not bad, an...
By cathodeRay , 23 hours ago
-
As I was reading this article Mars, I was thinking that...
By Toodles , 2 days ago
-
RE: Tell us about your Solar (PV) setup
Installed in May 2011: 16*Sharp 245 W monocrystalline p...
By txmartyn , 2 days ago
-
-
RE: Say hello and introduce yourself
That doesn't sound 'right' to me. The national Smart ...
By Transparent , 3 days ago
-
RE: Growatt battery disconnected
I doubt this will happen, but I will try and suggest it...
By Eliuccio , 3 days ago
-
Understood. That's why I decided from the outset on a ...
By JamesPa , 3 days ago
-
RE: My experience with 3 heat pump surveys: Heat Geek, British Gas & Octopus
On the litigation, I would not go there and definitely ...
By Batpred , 3 days ago
-
RE: Recommended home battery inverters + regulatory matters - help requested
I suppose if your pv inverter packs up, you have a plan...
By Batpred , 4 days ago
-
RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
Firstly check you are using sound power not sound press...
By JamesPa , 4 days ago
-
That’s the solar up and running, I don’t think it’s the...
By David999 , 4 days ago
-
RE: Seeking ideas / information / commiseration - Pure Drive
I agree with @colinc that you can reuse some of it. A s...
By Batpred , 4 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
@toodles Im trying me best to ignore orangeman, I figur...
By Papahuhu , 5 days ago
-
@toodles That’s way better per kWp performance than our...
By Papahuhu , 6 days ago
