Last seen: Mar 9, 2025
@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...
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Latest Posts
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RE: Heat Pump Sizing & Installation Costs
Perhaps useful to have installed date too? To get conte...
By Tim441 , 54 seconds ago
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RE: What is the best strategy for operating a very oversized heat pump?
Something else... that works for some people... LG ha...
By Tim441 , 7 minutes ago
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RE: Newbie out of her depth – Samsung AE120RXYDEG 12kW heat pump
OMG, the attached schematics (even with incorrect room ...
By BAMi , 57 minutes ago
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RE: Setback savings - fact or fiction?
@cathoderay I see you are continuing to misquote from t...
By SUNandAIR , 1 hour ago
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RE: Samsung Gen 7 R290 12kW is not behaving how I expected
So I turned my thermostats down last night And w...
By Joshua , 2 hours ago
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RE: SolarPV tables / online calculator
I'd be interested what others find whilst using that we...
By Majordennisbloodnok , 2 hours ago
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Volumisers in Heat Pump Systems: Does Placement Matter?
The debate over buffer tanks in heat pump systems has b...
By Mars , 3 hours ago
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RE: F.788 Building circuit pump reports internal fault - Vaillant Arotherm
Guess I have to wait for engineer visit. I really hope ...
By jeegnesh , 14 hours ago
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RE: Act now to defer the UK road tax increase on EVs
@majordennisbloodnok Damn right sir. my attempt at iron...
By Jancold , 17 hours ago
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RE: ASHP and heating issues in new build house
That’s good gives you more capacity. It made me think, ...
By Terry1812 , 18 hours ago
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RE: Seewet manhole cover within r290 exclusion zone
Thanks! I asked Vaillant, and they say I should be fi...
By dbrb2 , 21 hours ago
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Looking for the Grant Aerona 3 setting to turn off completely at 20 OAT
I'm running my Aerona 3 on WC and the 'warm end of that...
By damonc , 22 hours ago
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RE: Do I just go with the lowest quote for my heat pump?
So after signing in Sept in two weeks the install may s...
By Jancold , 23 hours ago
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RE: Victorian Semi Retrofit / Extension ASHP and UFH Advice
When you are renovating is always a good time, as it ma...
By JamesPa , 1 day ago
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RE: Just one room not reaching desired temperature
Looks like this issue is now resolved. Aira installed a...
By ChandyKris , 1 day ago
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There have been several people on the OpenEnergyMonitor...
By RobS , 2 days ago
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RE: Say hello and introduce yourself
Good point @jamespa But that probably strengthens @ch...
By Transparent , 2 days ago
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RE: Towel rails. An unexpected final hurdle
@jamespa Beware; the use of the term ‘WC’ might lead to...
By Toodles , 2 days ago
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RE: Visit a Heat Pump sessions.
Congratulations @toodles, that's a fantastic result. We...
By Old_Scientist , 2 days ago
Latest Topics
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Heat Pump Sizing & Installation Costs
By Mars 2 hours ago
-
Volumisers in Heat Pump Systems: Does Placement Matter?
By Mars 3 hours ago
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SolarPV tables / online calculator
By MichelleC 10 hours ago
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Samsung Gen 7 R290 12kW is not behaving how I expected
By Joshua 22 hours ago
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By Toodles 2 days ago