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Last seen: Sep 14, 2022
@derek-m Hi Derek, just a wee query. Since I have Flow temperatures and outside temperatures at 2 min intervals, if I plot these on a graph, if th...
@derek-m thank you sorry again for being such a pain.
@derek-m sorry I cant seem to see the attachment you mentioned
@derek-m I do have a Vaillant aroTherm 45 liter buffer tank in the system . I have attached the Vaillant Schematic Drawing and I believe my s...
@kev-m Thanks for the info. I think you are confirming that I'm not being unrealistic to look for higher COP and SCOP. I still hope Vaillant will...
@derek-m this is my MCS spreadsheet. I completed this myself.
@derek-m I live in the South West of Scotland and originally I was repeated told that the heat curve should be 1.2, but recently as part of their i...
@derek-m I really hope I'm not putting you to any bother Derek. 1a) the COP via the Vaillant sensoApp is calculated by dividing the sum of Electr...
@derek-m I don't have thermostats but I do have a Vaillant sensoComfort which I believe acts as some kind of thermostat. It is used to set temperat...
@derek-m thanks for that. I'm pretty sure it is in "weather compensation mode "as it cuts out when outside temperature goes above 21degrees and its ...
Thanks for the info I will research further. From the information I am getting my system has never drawn more than 4kW at any time since the install. ...
I am no Heating engineer but I think there are a number of things to consider here 1) the MCS Heat Loss calculation is for the entire house. I have ...
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Latest Posts
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How many people are happy with their ASHP and do you believe them?
It's easy for social media to warp perception and I onl...
By Deltona , 8 hours ago
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RE: Loud noises in the night - and one for the toolbox?
I appreciate your help and when I find the cause I'll p...
By Jancold , 9 hours ago
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RE: Grant Aerona R290 (15.5kW) - How is DHW Target Temp calculated?
Just in case someone else has the misfortune to come ac...
By TaffontheTaff , 11 hours ago
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RE: UK warm homes plan - how can it be delivered?
That looks like the direction the policy makers are hea...
By Temperature_Gradient , 11 hours ago
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RE: Estimating true heat loss from twelve months of consumption data
Thanks - something to certainly consider !
By ian33a , 11 hours ago
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RE: Forum updates, announcements & issues
Yes, I got it at 10:24. But Wednesday is my "day off"...
By Transparent , 12 hours ago
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RE: Daikin Altherma 3 with Fan Coils in Puglia (Italy)… Sanity Check on System Operation
@bobflux thanks also for your insight and the +1 ! reg...
By Simon_JM , 15 hours ago
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RE: Heat Pump Operation in Summer - Valliant 7kW
Personal choice but without a doubt my heating pump cop...
By JamesPa , 18 hours ago
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RE: MCS 2.0 - Changes in January 2025
I had a few quotes and none of them says much about the...
By Batpred , 19 hours ago
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We’ve had a mention in the Financial Times. 👀 ...
By Mars , 19 hours ago
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RE: ASHP Capacity loss with aging
I see where you were also going with this, its is likel...
By ASHP-BOBBA , 24 hours ago
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RE: Renewables & Heat Pumps in the News
Interesting prompt about whether some of the solutions ...
By Jeff , 1 day ago
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RE: Lower electric tariffs for heat pump users
I did some modelling using our real consumption figures...
By ChandyKris , 1 day ago
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RE: Sizing an ASHP; Heat loss and kW
There will be no changes internally; ground floor is al...
By GutoFfowc , 2 days ago
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OK, here's a rather off-the-wall discovery I've made th...
By Majordennisbloodnok , 2 days ago



