Last seen: Sep 12, 2025
Thanks for doing the modelling. It is still installed. Could you please elaborate on how why the PHE is the root cause? I don't have an absolute ...
Of course I am sceptical of heat loss calculators - after all, they are classic whatiffery models! What if the walls are made of this and are that thi...
I'm not sure they all are. The hallmark, at least on my system, of a defrost cycle is the LWT falls below the RWT (if you think about it, it does make...
@harriup - thanks, especially for posting the charts. We now have data from three installations, yours mine and @kev-m's, and they all show some form ...
I wasn't suggesting it doesn't match demand in that quote, it fact the opposite, it does match demand in the conditions I was talking about. However, ...
Here it is 24 hours from noon yesterday to noon today:
Will post the data after I have had some lunch.
My point is we are not in these conditions, warm house in mild conditions, where we know about and expect cycling as the only way further to modulate ...
It's not on a graph, it's in the raw data, which appear to suggest my heat pump spends most of it's time running at the 'min' capacity level, even whe...
Certainly, or it could just be my Midea unit. The problem is that unless and until we have more data, we just don't know. I'm hoping others who coll...
I can't actually find any of these settings in the Midea Engineering Data manual. There is something called dT1SH, which 'sets the temperature differe...
Last night it was on Weather Compensation, no setback.
Latest Posts
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RE: Humming sound on new install.
Well at least its well insulated, but Im not sure that ...
By JamesPa , 1 hour ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Much of that is true in principle, but its not likely t...
By JamesPa , 2 hours ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@dgclimatecontrol I attach the responses from 2 potenti...
By pash44pump , 5 hours ago
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I didn't want to say that, bus since you have said it n...
By JamesPa , 6 hours ago
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RE: Midea ASHP – how to set weather compensation
Mostly, I think, but with some caveats. I set the TI...
By cathodeRay , 8 hours ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
I have been working on network resilience for a while. ...
By Scalextrix , 10 hours ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
I realise im overdue an update on my situation. first...
By Cleardene-ashp , 1 day ago
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RE: Replacing Worcester oil boiler with an ASHP
@toodles thanks. I was told by the engineer that this h...
By JulianC , 1 day ago
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RE: Who’s Caved and Switched the Heating On Already?
@allyfish Dogs have owners - Cats keep staff. You are o...
By Toodles , 1 day ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
A week later, I'm finally picking up this comment... ...
By Transparent , 1 day ago
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RE: COP is not the only measure of efficiency
We keep all our TRVs fully open using the whole house a...
By Old_Scientist , 2 days ago
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
I am pleased to say at 4pm today we have added another ...
By ASHP-BOBBA , 2 days ago
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RE: Renewables & Heat Pumps in the News
To unpack this a little.... 1) how many of us in this...
By Lucia , 3 days ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
By ASHP-BOBBA , 3 days ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@morgan this can just be done by your sepecilist when t...
By ASHP-BOBBA , 3 days ago
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RE: Anyone still weathering it out with Agile?
@toodles I guess it all comes down to import averages. ...
By Tim441 , 3 days ago
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RE: 300 Liter Tank - Do I have to heat it all?
The size of DHW tank affects the anti-legionella cycle....
By Transparent , 3 days ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
By HCas , 3 days ago
