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
@jaket yes curve too low there are plus and minus symbols on the front screen turn it up a few degrees you don’t need to adjust the whole curve this w...
@jaket If you have all the circuits in the house calling for heat then unfortunately the heat pump can’t modulate down any further so it has to start ...
@paulrlondon fyi flow rate range for the 11.2kw unit is 14.4-32.1L/min
@jaket I would increase the tank temp you are heating to, 45C is too low if your showers getting cold after a few mins
@jaket yes leave at 5 19 litres per min is fine mine runs at a similar rate
Here is my flow for an hour yesterday afternoon it ran like this all day. just noticed you posted flow rate was that from the running information me...
@jaket Hi I have an ecodan with ufh and rads and Heatmisers. You can get it working well. It will just take some tweaking. What you will probably ...
180sqm detached house built in 2000 so insulation isn't bad but isn't great either, 8.5KW Ecodan, UHF downstairs retrofitted so little thermal mass, R...
@crimson with the flow and return temps you are getting they are very wide DT13, this suggests not enough flow rate in the heat pump circuit is there ...
@crimson Ignore my previous post not enough caffeine. DT20 is possible but your heat pump is going to be running at a relatively high temperature so...
I'm no expert but I think you are using the correction factors incorrectly, your rads can't output more heat at a lower DT, so even if you do have a d...
@dannymoss23 Do you have a Mitsubishi preplumbed cylinder, if you do and you have have already stated you have 2 zones, 1 for UFH and 1 for rad...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Heat pump installation quotations
That will be absolutely murdering your energy efficienc...
By EtchedPixels , 32 minutes ago
-
RE: Harvest Thermal - ASHP with a smart thermal battery
The cooling side works much better if you can figure ou...
By EtchedPixels , 45 minutes ago
-
Floor standing brackets for K3 rads
My neighbour is a plumber and said I would need to fit ...
By Singlespeed , 1 hour ago
-
After an intense recode, I’m pleased to announce that w...
By Mars , 1 hour ago
-
Why do you want to maintain a specific deltaT? The out...
By JamesPa , 3 hours ago
-
Hopefully this will answer your question. To...
By ASHP-BOBBA , 4 hours ago
-
RE: Help me keep the faith with my air source heat pump installation
I would be interested to find out if others do this and...
By ASHP-BOBBA , 4 hours ago
-
Don't you dare. You just carry on as you are; as @batpr...
By Majordennisbloodnok , 6 hours ago
-
RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
@ragtime27 some rooms in our house only have one place ...
By Judith , 6 hours ago
-
RE: Several AC coupled batteries
That is a good point, a manufacturers can stop trading,...
By Batpred , 9 hours ago
-
RE: Indevolt Batteries UK Support & Info Thread
Hi @hanno - good question. The range of hybrid invert...
By Transparent , 10 hours ago
-
RE: GivEnergy inverter tripping due to over-voltage?
@transparent the inverter was installed in 2021 and afa...
By Tim441 , 10 hours ago
-
RE: Say hello and introduce yourself
I hope so, @toodles. It's not often that we see a situa...
By Majordennisbloodnok , 14 hours ago
-
RE: Electricity price predictions
Good point, I do expect the bonus of putting my energy ...
By Batpred , 1 day ago
SPONSORS
