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
@leftbacks Did you manage to resolve the problems with your system?
@kev-m I think that you have been running your system in Auto Adaptation mode for some time now, so I would be interested in how it is performing. ...
@cathoderay You may find the spreadsheet that I produce some time ago a useful tool to check theory against practice. You could try varying the valu...
You could try manually changing the speed on the water pump itself and see what effect that has. There are various water velocity calculators that c...
As James has correctly pointed out, the WC curve should be adjusted to try to keep the IAT reasonably constant at the desired temperature. In milder w...
Slow cycling at this time of year is not a bad thing, provided it keeps your home warm and does not use loads of energy. Short cycling (more than 6 ti...
I think that some time ago when Ecodan owners started using Auto Adapt, they found that when the heat pump was first started up after a shutdown, it r...
It is probably just a matter of gradually adjusting the WC curve until you get the correct values for your home.
As I explained previously, correctly adjusting the WC curve is a slow process that cannot be rushed. Gas boilers and oil boilers cycle, so why not h...
Gas boilers and oil boilers cycle, so why not heat pumps? Heat pump cycling is to be expected in the shoulder months, when the OAT can go from 5C to...
No problem. So the limiting factor as far as flow rate is concerned could be the valve or the 22mm pipe.
Based upon the setting of your WC curve, the calculated flow temperature should be 29.6C.
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Electricity price predictions
Demand Flexibility Services appears to conflict with pr...
By Transparent , 5 minutes ago
-
RE: Has anyone seen this problem before? Huge anticycling times
Oh dear. Glad it was replaced. I have been mighty imp...
By JamesPa , 6 hours ago
-
RE: Can I start an argument about buffer tanks please? 🙂
Dont, just adjust the LSVs to get different temperature...
By JamesPa , 16 hours ago
-
RE: Heat pump running costs – what has actually worked for you?
I installed the air source heat pump in January 2026, i...
By bobflux , 19 hours ago
-
RE: Grant Aerona Air to Water R290 6.5 kW - Quiet Mark and Silent Running
Thats all interesting. DHW on my Vailant seems to respe...
By JamesPa , 23 hours ago
-
RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
One of the other mods has just reminded me that @ashp-b...
By Majordennisbloodnok , 1 day ago
-
RE: Indevolt Batteries UK Support & Info Thread
My ideal install would have my battery installed before...
By BlizzardGreen , 2 days ago
-
RE: PV and battery long payback - sense check query
@old_scientist I have now drafted 2 replies - both have...
By DavidB , 3 days ago
-
RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: adrian Manufacturer: Appliandirect.co....
By Adrian , 3 days ago
-
RE: Acond heat pump failed after four years - diagnostic quote £940 plus VAT
@downfield Thank you Downfield. This sounds potenti...
By Mia , 4 days ago
-
RE: Digest of UK Energy Statistics
@jeff Yes my brother in Oz told me of that charge year...
By Jancold , 4 days ago
SPONSORS
