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Last seen: Jan 14, 2025
@crimson if what you have told us about the pipework is correct, then the high number (code 9) should match the temperature on the pipe coming from ...
yes 3 bar is 30m but we're not up that high (Fortunately!) 13kw at DT5 = 37l/min. 2200 kh/g (annoying grant units). Mag one graphs, about 0.8 bar = ...
@derek-m leaving aside the efficiency debate which we've done to death. have you ever seen system discussed on here where there a buffer tank thermis...
@jamespa when I read up on this way back, before being convinced that a buffer was totally unnecessary, I was pretty sure I learned that some heat pum...
possible. maybe. but doesn't remove the fact that the mag one is a socking great anchor on the system. This is normal if the hot water tank is al...
@rich congratulations. For doing this, and also on having the confidence in yourself to do this in winter. albeit you did check the forecast 😉
@crimson personally I doubt there is anything wrong with the LLH as a device(as a system design, yes, we discussed that to death). Its a metal cylinde...
the best thing I can suggest is to hire heacol (but says he is vastly overworked and there is only 1 of him after all) the next best thing is to fin...
did they check the flow rate on the primary side as reported on the grant controller, wherever that might be? what was that value? one option to pr...
@crimson I don't know what rating the ASHP circulation pump is but there is clear maths in grant's own spec sheets that says the Mag One will be takin...
@crimson the internal pump may have been turned down also. but the primary side is badly implemented , has low flow, and will never work properly with...
no problem. £500 consultancy fee to myself from your plumber / installer / grant.
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Degrees of Separation
Latest Posts
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RE: Renewables & Heat Pumps in the News
@transparent Indeed it would - we just need to see it h...
By Toodles , 34 minutes ago
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RE: How quickly would you want/expect heat recovery to take from setback?
That's the issue, those graphs show your heat-pump (in ...
By Temperature_Gradient , 3 hours ago
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RE: How should the Boiler Upgrade Scheme be reformed?
Not quite, regular A2W heat-pumps need a load of extra ...
By Temperature_Gradient , 2 days ago
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RE: Heat Geek installations: share your experiences
one thing i learnt from reading people’s comments and e...
By Batpred , 2 days ago
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RE: Cooling/heating with one unit
"The way we use A2A on a cheap overnight EV tariff is t...
By mrkfm , 2 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
We have ‘signed on the dotted line’ today for a Panason...
By Toodles , 2 days ago
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RE: Heat pump branding. Clever, contemporary… or a bit too much?
...or it was there and was lost thanks to laziness and ...
By Majordennisbloodnok , 2 days ago
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@bobflux Thank you for your response. I am trying to ...
By RonV. , 2 days ago
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This post is about how I successfully configured a buff...
By Tony.Stolz , 2 days ago
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The installer visited yesterday and suggested the noise...
By JamesChatz , 2 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Your house sounds a lot like mine. 2 surveyors each sp...
By JamesPa , 2 days ago
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RE: Heat Geek Zero Disrupt: Are We Sleepwalking Into Another Race to the Bottom?
Thats true only if you do the wrong experiment. Done c...
By JamesPa , 2 days ago
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RE: battery storage without solar
As of October 1st they need specific qualifications to ...
By EtchedPixels , 3 days ago
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RE: Why are ASHP installs so expensive?
The whole system seems to work on the basis of...
By ian33a , 3 days ago
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