Last seen: Dec 1, 2022
Thanks for all the data and link to PVGIS. The PVGIS spat out figures that were inline with the data from Majordennisbloodnok. I have a daily averag...
Thanks @Mars. Would you have that data as a spreadsheet or monthly figures? Both for production and export.Also do you know what your average electric...
A quick update.After running the system for a full year with weather compensation my actual annual ASHP energy usage is 5280kWh.That's for both heatin...
1. Do you get much thermal gain, if so how does your system respond? Yes, we have 6m of glazed sliding doors on the south facing elevation of the pr...
@morgan It's currently set at 40ºC flow @ -5ºC outside and 20ºC flow @ 20ºC outside. Although at the moment the overriding offset is at -5.
I now have a full years metered ASAP energy usage that I can report on. The headline is that energy usage has come in just about bang on what wa...
An idea you might want to try experimenting with is rather than run the secondary return pump for several hours at a time, or boosting the system minu...
@peterr I think it's very often true to say that if you were to get 3 plumbers to design a plumbing system, you'd get 3 designs, all of which would ...
My setup is very similar to yours @Peterr although I am in a 1950s house with insulation added post construction and don't have any SPV. I'm running w...
Without MMSP I'm not sure how accurate the app will be. Yes the control area is pretty useless I agree. The MelCloud app is mainly useful for generati...
Have you got meters installed that monitor usage and delivery? Known as MMSP Metering and Monitoring Service Package. Or access to the MelCloud app?
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Latest Posts
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@eliuccio Unfortunately, whilst I agree with a lot of...
By JamesPa , 4 minutes ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@jamespa the key point, from my own logical thought pro...
By Mars , 10 minutes ago
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RE: Newbie out of her depth – Samsung AE120RXYDEG 12kW heat pump
@bami I think if the heat loss documentation matches a ...
By bontwoody , 27 minutes ago
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RE: What is the best strategy for operating a very oversized heat pump?
@jamespa I'm afraid that's over my head but if anyon...
By IRMartini , 55 minutes ago
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RE: Setback savings - fact or fiction?
And here in case any one wants it is the code I used in...
By cathodeRay , 1 hour 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 , 1 hour 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 , 3 hours ago
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RE: Heat Pump Sizing & Installation Costs
Perhaps useful to have installed date too? To get conte...
By Tim441 , 5 hours ago
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RE: SolarPV tables / online calculator
I'd be interested what others find whilst using that we...
By Majordennisbloodnok , 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 , 19 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 , 22 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 , 23 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
Latest Topics
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Heat Pump Sizing & Installation Costs
By Mars 7 hours ago
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Volumisers in Heat Pump Systems: Does Placement Matter?
By Mars 8 hours ago
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SolarPV tables / online calculator
By MichelleC 15 hours ago
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By Toodles 2 days ago