Last seen: Nov 15, 2023
The plate heat exchanger is made in Poland. Apparently they specified it that way, but maybe for other applications with higher temperatures. The inst...
@sunandair @jamespa My installer came to fit a more appropriate size of secondary circulation pump this afternoon (no charge, but he took the industri...
We will have to see. Sometimes it is better to start with the easy stuff and get that right. The technology then gets good press and the installer bas...
I’ve had another priority: our Mozart Requiem and Coronation Mass concert to focus on - lots of musical dynamics! Tomorrow the installer is supposed ...
Unfortunately it is next to impossible to modulate efficiently over the entire range of outputs. However, I agree that unnecessary oversizing is not g...
I find John Cantor’s video most useful for explaining efficient running of a heat pump. He stresses that cycling is not necessarily a bad thing a...
I object to you taking everything out of context. I certainly won’t waste time explaining anything to you. Please don’t quote me in misleading ways. ...
@fazel @alan-m yes setting the WC lower does make it run at a lower target temperature in WC mode. If I try to set it lower than 35c manually it doesn...
I show the temperature cycles, you ask about the electric, I say the electric cycles like the temperature, you continue….it’s all simple.. watch John ...
The time to sort issues out is before final payment for the system. If it were a house, the building inspector would come in and beat everyone up and ...
@cathoderay You have seen my power data before. It shows all the stages that John Cantor describes for the startup. Why should anyone be interested...
Obviously synchronised with the temperature data.
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Latest Posts
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RE: What is the best strategy for operating a very oversized heat pump?
@jamespa Samsung has it 'Quiet mode' and I use it a ...
By IRMartini , 37 seconds ago
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RE: Setback savings - fact or fiction?
We certainly are, and that's why I am here too. But tha...
By cathodeRay , 8 minutes ago
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RE: Newbie out of her depth – Samsung AE120RXYDEG 12kW heat pump
No need for apologies, just cautioning about getting to...
By JamesPa , 14 minutes ago
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RE: Samsung Gen 7 R290 12kW is not behaving how I expected
Definitely its in the 20xx FSVs. Conversely it may be...
By JamesPa , 16 minutes ago
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RE: Towel rails. An unexpected final hurdle
We have both Normal Rad for heating the room and then a...
By IRMartini , 2 hours ago
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RE: Heat Pump Sizing & Installation Costs
Perhaps useful to have installed date too? To get conte...
By Tim441 , 4 hours ago
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RE: SolarPV tables / online calculator
I'd be interested what others find whilst using that we...
By Majordennisbloodnok , 6 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 , 7 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 , 18 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 , 21 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 , 22 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 , 1 day 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 , 1 day 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 , 1 day 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: 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 6 hours ago
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Volumisers in Heat Pump Systems: Does Placement Matter?
By Mars 7 hours ago
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SolarPV tables / online calculator
By MichelleC 14 hours ago
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By Toodles 2 days ago