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: Aug 13, 2025
Its the flow temperature for the heating circuit, it means its running a fixed flow temp and is not on weather compensation, get that changed come the...
@m1kegibson Apologies if I'm teaching grandma to suck eggs but have you confirmed the max temp drop in the controller is set to 10C? To do that you h...
Hi it’s 6 years old first issue it’s ever had.The sensor is cheap £33 it’s the HVAC engineer cost £305 plus VAT
£400 later and it’s fixed it was the T3 sensor that measures the condensed refrigerant temp it should read single figures was reading 65C and occasion...
@editor thanks Mars that’s the same table I found in the service manual it’s does feel like it’s the sensor that’s at fault. When it stopped it was r...
@editor I found some info in the service manual it could be a bad condensing temperature or pressure sensor. It shuts down the heat pump if condensi...
@editor thanks Mars just waiting for support to open at 8am
Thanks it doesn’t provide anymore info just says UD-0
Where is the heat pump controller going that will be the thermostat it just needs to be in a sensible location. If you are running weather comp the ...
@robs Thanks that's what I suspected mine definitely doesn't have it.
@carpenterstation because heat pumps are built by engineers and have not been historically developed for the average human to be able to operate, henc...
SPONSORS
Degrees of Separation
Latest Posts
-
Should I change my cylinder when changing from a gas boiler to a heat pump.
I have 178 L Gledhill unvented cylinder which was fitte...
By David , 6 hours ago
-
RE: Plug and play solar. Thoughts?
Impressions so far from the one I've installed are that...
By EtchedPixels , 7 hours ago
-
-
@batpred The Daikin temperature probe protrudes from th...
By Toodles , 11 hours 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 , 13 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 , 13 hours ago
-
RE: Why don't people choose heat pumps?
Fair enough. I guess I was thinking of pipes that run ...
By JamesPa , 13 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 , 17 hours ago
-
Daikin Altherma 3 R F+W, room thermostat control, weath...
By JanHarley , 18 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 , 21 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 , 3 days ago
-
Six books in three years and I think I’ve now covered j...
By Mars , 3 days ago
SPONSORS
