Last seen: Jul 24, 2025
The Ecodan WC curve doesn’t have presets like you see in other systems it’s fully customisable. So you can set the high and low end at any OAT and ch...
My heat pump by luck is sized correctly and defrosts hourly. All you can do is keep the flow temp to the minimum you need and keep it running so you ...
I have an 8.5kw heat pump and its currently running at 36C and pulling 2kw so not miles away from yours, when it runs at 45C its will pull 3.5kw, ther...
@boycey If you are running at 26C and the house is 20C then your UFH isn't going to be able to get rid of any heat as the room temp is too close to th...
if you click on tank temp and set temp in the legend it will remove them from the plot it will rescale you will then be able to see what the flow tem...
That will just prevent the heat pump from setting a temperature lower than 30C, its easier just to adjust your weather compensation curve. Can you po...
Just to add my 2p, I have an Ecodan and UFH, to avoid cycling on and off then we need set the flow temp at a minimum of 32C, from your plots it looks ...
As you state L9 is flow rate error, if you go to the service menu when the heat pump is running and then go into running information and put in code 5...
between 3 and 8 depending on flow temp, Ecodan so fixed flow rate.
@athlonoc you don't have a mitsubishi preplumbed cylinder so the FTC probably can't control the pump speed but that is easy to check on the FTC go to ...
@athlonoc You don't need 24L/min for an 8.5kw heat pump, Mitsubishi's own manual states 15.2L/min, 24L is the absolute maximum so i'm not surprised it...
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RE: No-code, plug-and-play monitoring for your heat pump
By Grantmethestrength , 13 hours ago
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@eliuccio good to hear you’re happy with the install. A...
By Mars , 22 hours ago
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RE: Is this just haze or something more?
I am not a scientist nor a meteorologist and I know the...
By Toodles , 2 days ago
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RE: Benefits of an extra horizontal loop for GSHP
It will improve performance, but by how much depends on...
By Brendon Uys , 2 days ago
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RE: The good, the bad and the not that great – my heat pump installation
Said I would pop back with a update. Only Mr Jesus h...
By Burtis , 2 days ago
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RE: Buffers, hot water and cooling
Thats presumably heat pump DT, what about radiator DT a...
By JamesPa , 2 days ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Exactly the same here. We now have 13.5kWh ...
By Old_Scientist , 3 days ago
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Compressor and Evaporator Stratification
I have had a few issues with my Hitachi spilt heatpump ...
By trebor12345 , 3 days ago
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RE: Wood burner with ASHP - direct air?
This depends on the size of your wood burner and size/t...
By Lucia , 3 days ago
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RE: Difficult positioning of air source heat pump
@rikiarn It's a not a buffer it's a volumiser which is ...
By Lucia , 4 days ago
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RE: Is your heat pump insured?
To make things clear, lots of insurance companies cover...
By Lucia , 4 days ago
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RE: Boxt Heat Pump Installation Experience
@adrian any updates since installation? How is it perfo...
By Ashfp , 4 days ago
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RE: Say hello and introduce yourself
Hi @seatonian - Yes, I know Seaton, and I have the Nat...
By Transparent , 5 days ago
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@seatonian got your email. Will connect you with a reco...
By Mars , 5 days ago
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@downfield and @toddles, this isn’t in the settings cur...
By Mars , 1 week ago
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RE: Homely launched for Grant Aerona ASHP control
I haven't bought the Aerona Smart Controller (£700!) bu...
By Prunus , 1 week ago
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RE: Antifreeze top up for my heat pump - is this a rip off?
For the record, Grant supply ethylene glycol for their ...
By Prunus , 1 week ago
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RE: Compressor attempts start but fails - Nibe Fighter 2005 8kW
@skyefarmer amazing. Well done!
By Mars , 1 week ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Ebac 5kw - Monobloc R32. Developed and made in UK - Mit...
By marcinwloch69@gmail.com , 1 week ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Just another thought - it might be worth thinking about...
By JamesPa , 1 week ago