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
As far as I am aware, there are two ways in which a heat pump can regulate the quantity of thermal energy it is supplying to the heat emitters, one is...
I would suggest that you have a read through the manual and see if the water pump speed or the desired Delta T can be adjusted.
Where is the primary water pump located? Is it within the heat pump or eternal? You could try lowering the speed of the UFH water pump, if nothing e...
Unless the flow rate of each water pump is matched, then there could be mixing occurring within the LLH. Probably the easiest way to optimise the sy...
If you look in the manual for your heat pump, it will probably specify the size and type of connections for the flow and return water pipes. I cannot ...
Rather than the 'Great Grid Upgrade', what is being done about the 'Great Energy Efficency Upgrade', since if the energy is not required in the first ...
@cathoderay I will possibly reply at some point in the future, once you have learned to communicate in a more civil manner.
@kev-m Thanks Kev. I will run it through the modeling tool in the near future.
As far as I am aware, LLH's perform like a very thin buffer tank. How many water pumps are installed in your system?
I would suggest that you check the speed of the water pump, it may be too high.
@jamespa Thanks James. I posted it to you since you are familiar with the subject matter, and would provide an unbiased reply.
I don't know if anyone has actually performed any tests to see if having extra water volume within the system, could improve the defrost cycle. I supp...
SPONSORS
Degrees of Separation
Latest Posts
-
-
@batpred The Daikin temperature probe protrudes from th...
By Toodles , 60 minutes ago
-
RE: Air source heat pump roll call – what heat pump brand and model do you have?
@editor And as an occasional contributor, may I say wel...
By Toodles , 3 hours ago
-
RE: Should Households Who Can Afford It Pay More for Energy to Help Those Who Can't?
They don't have to try. Our entire system is d...
By EtchedPixels , 4 hours ago
-
RE: Why don't people choose heat pumps?
Fair enough. I guess I was thinking of pipes that run ...
By JamesPa , 4 hours ago
-
RE: How Can I Prove Coal Was My Main Heating Source Without Receipts?
Got excepted for the grant now so thanks for the replie...
By Chilli304 , 8 hours ago
-
Daikin Altherma 3 R F+W, room thermostat control, weath...
By JanHarley , 8 hours ago
-
RE: Buffer tank on a 2 x 14kw Ecodan system
Pretty much as I had guessed in my crude scaling from m...
By JamesPa , 11 hours ago
-
RE: Help me keep the faith with my air source heat pump installation
Well you have a vibration generator running at some fre...
By bobflux , 1 day ago
-
RE: Who's your electricity provider and what's your tariff?
@downfield Thats a decent rate, I’m shocked they hadn...
By Papahuhu , 2 days ago
-
RE: Adventures in heat loss calculations
@toodles thanks! So as suspected, around a doubling of ...
By SusannaSaunders , 2 days ago
-
Six books in three years and I think I’ve now covered j...
By Mars , 2 days ago
-
RE: Grant Aerona3 13kw - Buffer Tank - Heating Journey
@heymikey Well done in achieving as nearer a match acro...
By Toodles , 2 days ago
-
Grant Aerona - Weather Compensation and Schedules
Im trying to set up a friends Grant Aerona. The WC curv...
By bontwoody , 3 days ago
SPONSORS
