
Last seen: Sep 11, 2025
Stab in the dark, might it be error P1? This is the system lost thermistor value error. It can be reset in the settings -/p>
I am afraid that I have never peered too deeply into the settings to find exactly how the curve is configured. The installer spent some time on this p...
0.5C increments. 2 x AA batteries. Mine have been in use for 4 years and there is no indication they are needing changed. No idea! It seems to p...
Thank you @cathoderay, this is a very interesting read, not just because my system is not a hundred miles away from your setup, but also in the way th...
For another cold climate user, I am a little to the south and east of @Dunlorn but quite elevated and exposed to the east. Self build 180m2 timber fra...
Having felled, cut, split, stacked, dried and burned vast cubic meters of hardwood logs in the past 30 years as the main heat source for the house, on...
Mitsubishi Ecodan units are manufactured in Scotland and the price seems to be competitive.
Oooh...so many red flags hovering here! As an Ecodan owner on a single phase "normal" domestic supply, would/should my consumer unit have caught all ...
As I understand it, which a dangerous start to any internet fora post, what we refer to as the COP in an ASHP is actually the measure of how efficient...
No, I believe not. There is the correction for geographical location but not for exposure with the wind wash that can bring, which is why I erred to t...
Regardless of which calculator you use you are forced to make a number of educated guesses on the construction. I tend to err to the low side normally...
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RE: Is a Valliant Inline 6kW heater a BUS buster?
@guydeb The guidelines are possibly written to be defin...
By Toodles , 2 minutes ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
Yes Octopus only have the £9 a month service plan for t...
By NJT , 5 minutes 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 , 23 minutes 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 , 25 minutes 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 , 6 hours ago
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RE: Midea ASHP – how to set weather compensation
I think it is a bug in the code, it comes on even when ...
By cathodeRay , 20 hours 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 , 22 hours ago
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RE: Buffers, hot water and cooling
@jamespa Your reasonably close! Especially with warmer ...
By dgclimatecontrol , 24 hours 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 , 1 day ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
By ASHP-BOBBA , 2 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 , 2 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 , 2 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 , 2 days ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
By HCas , 2 days ago
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RE: Solar Thermal DHW and ASHP
I was originally contemplating a solar thermal installa...
By jamespetts , 2 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
My system installed in July 2024 has produced 6.4mWh in...
By jamespetts , 2 days ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
@judith thanks for your suggestions. Starting from col...
By GrahamF , 3 days ago
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RE: Inventor (Midea) Heat Pump short cycling advice
I switched to "fan coil mode" to be able to set water t...
By immunity , 3 days ago
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RE: DESNZ doing a survey which asks the right questions!
Without a survey their only source of data is probably ...
By JamesPa , 3 days ago