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Last seen: Jan 14, 2025
@cathoderay yes certainly the system overall isn't generating energy during the defrost, its spending it on the defrost actions, so its valid to treat...
@cathoderay its not "compressor gate" that is how they all calculate it. The energy generated was 8kwh, thats what the heat pump will report. But the ...
are you sure that it is the HP is underpowered? or is it that your system design doesn't allow the maximum power of the heat pump to be utilised? does...
@cathoderay so I looked at table on page 44 of this , if thats the right unit and document? At -5C you can get 12.5kw @40C COP2.7, 12.0kw at 45C COP2....
@cathoderay do you have the whole table? or a link to it. max is probably the one that matters given you are trying to run it flat out right now. disa...
@cathoderay unless you've got an install that doesn't comply with the MI's in terms of airflow clearances (check the installer guide) , in your positi...
thinking about the installers (and related roles) that I follow , who discuss this subject area on Linkedin, they are largely the good ones I think. I...
@bontwoody can't see anything wrong with your reasoning. As per @kev-m, there is potentially a case that the smaller unit isn't quite enough - but in...
@derek-m maybe thats not the right technical term. I'm just telling you what it does. If you stand by the heat pump its a LOT colder when its running....
I always see a dip in the OAT as measured by the heat pumps own sensor whilst its running. I don't think there's a microclimate. There's simply a mass...
@bontwoody I think the answer is that we are "total amateurs" who really really gave a damn. read every document. watched loads of training and educat...
@hughf here's my (worse than) design conditions day, yesterday, 18th jan, -7C at 0600. HP usage was 69kwh electricity generating 166kwh of heat. ...
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Degrees of Separation
Latest Posts
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if you have a midea the warranty will be with Midea i g...
By Graham Hendra , 2 hours ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
..... Post deleted, but website won't let me!
By JamesPa , 2 hours ago
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RE: Missing flow temperature in Heat Geek proposal
I was told that installer doesn’t get to see the system...
By L8Again , 5 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
And how does the Powerflex firmware 'know' that it is p...
By Transparent , 6 hours ago
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@trebor12345 If you select the Change Rate Plan button,...
By Toodles , 8 hours ago
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RE: Jokes and fun posts about heat pumps and renewables
@majordennisbloodnok Well, I can use such terms as HMRC...
By Toodles , 1 day ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
I'd picked up that there was a leak coming from around ...
By Sheriff Fatman , 1 day ago
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RE: Who's your electricity provider and what's your tariff?
Great info. Thank you. Regards Pete
By peterackstraw , 1 day ago
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RE: Microgeneration Certification Scheme (MCS)
@jamespa A cynical view but, I fear that it is a fair ...
By Toodles , 2 days ago
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RE: Samsung heat pump - data cable issue
That's well done. Cable is the correct type (LIYCY = 2x...
By bobflux , 5 days ago
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RE: Electricity price predictions
I agree, we will find out at the next budget whether th...
By Old_Scientist , 5 days ago
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RE: Air to air bus grant installer anywhere
The through wall two hole ones have their place (listed...
By EtchedPixels , 5 days ago
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I hope it goes ok, Hon can be hard to set up IF the sof...
By Graham Hendra , 5 days ago
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