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: Oct 2, 2026
@johnr I think I may have missread something somewhere as I now understand that the secondary pump flow rate should be equal to or greater than the pr...
@johnr Hi. I think I may have missled you in that my buffer is configured in exactly the same way as you describe. Whats a little bit concerning for...
@toodles Thanks. I haven't forgotten you. Due to the low outside temperatures, my ecodan is going into anti-freeze at night when the set back means ...
@johnr Thank you for explaining how your buffer is connected and the details of the temperature at each of the four ports. Both &toodles and I h...
@toodles Of course the difference between the Daikin and Mitsubishi is that the Daikin has a built in primary circulating pump, controlled by the Daik...
@grumpidoc Please remember I am just a new heat pump user and not a heating engineer but I have picked up a few things on my journey! None of the belo...
@grumpidoc You may be interested in what I have done to reduce my system noise. My system is Ecodan 11.2kw > Primary Pump (Grundfos UPS2 25-80) &...
@boycey Yes, the thermostat on my Ecodan is on the back in the top corner. When the engineer replaced the thermostat, I suggested that it could perh...
@boycey Legionairres taking too long: Mitsubishi diagnosed a defective immersion heater. Installer is coming next week to replace it. Outside temp...
@trbob I went down the Mitsi Engineer route unfortunately with the fee. Report has just come in to say that the immersion had "irregular figures whe...
@trbob Very interesting. It took round about an hour for your immersion to get from 49.5 to 59.5. Probably acceptable It looks like the Mitsi soft...
@toodles I guess you are trying to create a bit of shade. Not sure if the wife will agree to blocking the kitchen window and to be honest, unless it...
SPONSORS
Degrees of Separation
Latest Posts
-
RE: Replacing Storage Heaters with a Heat Pump in a Stone Cottage
This tool lets you input the makeup of your wall, ceili...
By bobflux , 53 minutes ago
-
RE: How should the Boiler Upgrade Scheme be reformed?
Yes, their gas typically costs twice ours and electrici...
By Batpred , 11 hours ago
-
Over the years, due to the non barrier PEX underfloor h...
By bobflux , 11 hours ago
-
RE: Getting closer to a finished Haier system
All the 45° elbows required for getting the primaries i...
By Singlespeed , 13 hours ago
-
RE: Tesla Powerwall (2) Calibration Cycles
@papahuhu Likewise, the main ‘extra’ relates to TOU tar...
By Toodles , 18 hours ago
-
RE: DIY Heat Pump Installations: Navigating Legal and Regulatory Hurdles
Thanks for the reference @jamespa I can't see any te...
By Transparent , 2 days ago
-
RE: battery storage without solar
Indeed, current on the grid input = current used for ch...
By bobflux , 2 days ago
-
RE: Who's your electricity provider and what's your tariff?
@papahuhu @papahuhu A lot of tears and sweat went into ...
By Andris , 2 days ago
-
RE: Solar Power Output – Let’s Compare Generation Figures
We have the same problem, 12 mature trees clip the morn...
By Papahuhu , 3 days ago
-
RE: Solis inverters S6-EH1P: pros and cons and battery options
I had a battery and inverter installed a while ago, my ...
By Batpred , 3 days ago
-
RE: Is This Initial Free Quote From Octopus Trusted Partner Reasonable?
@ltron2 The EPC on our house is A-92, however that i...
By Rob of York , 3 days ago
-
RE: Heat pump branding. Clever, contemporary… or a bit too much?
The layout is confusing - much better like this: We b...
By downfield , 4 days ago
-
RE: Is it just me, or does tradesperson timekeeping and communication drive you absolutely mad?
My experience, backed up by opinions from various frien...
By Majordennisbloodnok , 4 days ago
-
RE: Analysis of the economics of switching to an A2W ASHP compared to other heat sources
I had a meeting today with a company based out of Swede...
By Mars , 5 days ago
-
RE: Review your electricity provider
We were with Octopus in our old house and it was fault...
By ian33a , 5 days ago
SPONSORS
