Last seen: Jul 24, 2025
Can you post a picture of your LLH how much volume does it have? What is the flow speed in your primary circuit, go to service menu, running informa...
You are correct primary is the top right from the heat pump, secondary pumps round the rads you canβt break anything by turning them down. Turn prim...
If you have a mitsubishi preplumbed cylinder then its unlikely to be a low loss header, although that's what they call it, it has no volume its just a...
@jamespa, I can't check modulation but it will be running flat out but I think my is slightly undersized so don't really have any spare capacity to co...
Here is an example of what my 8.5kw Ecodan did last night when it was very damp and 1C outside. It defrosted every 50 mins, that takes 5 mins and ...
@grumpidoc so as itβs one zone you should only have that one pump for the heating. As I posted above you should be able to turn that all the way down...
Correction forgot to x 60 to get to L/min otherwise its in seconds
@grumpidoc Its from the mitsubishi databook see extract below Do you have an Ecodan preplumbed cylinder or a different model, a picture of your cy...
@alsocold123456 It doesn't sound like there is a problem to fix with your system that is pretty much what mine is doing in this damp cold weather. A...
@tallmarc stated noise levels are made at a defined outside temperature not the worst case which is what we currently have in the depths of winter, mi...
@ngillam Depending on your controller the pump speed for the HW can be controlled in 2 ways newer versions have pump speed in the service menu for bot...
For such a small space wouldnβt A2A be better than A2W and you get cooling in summer.
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RE: No-code, plug-and-play monitoring for your heat pump
The issue with the Grant is that you have to wire direc...
By Grantmethestrength , 1 hour 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 , 1 hour 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 , 6 hours ago
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RE: The good, the bad and the not that great β my heat pump installation
Said I would pop back with a update. Only Mr Jesus h...
By Burtis , 20 hours ago
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RE: Buffers, hot water and cooling
Thats presumably heat pump DT, what about radiator DT a...
By JamesPa , 21 hours 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 , 1 day ago
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Compressor and Evaporator Stratification
I have had a few issues with my Hitachi spilt heatpump ...
By trebor12345 , 1 day 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 , 2 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 , 2 days ago
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RE: Is your heat pump insured?
To make things clear, lots of insurance companies cover...
By Lucia , 2 days ago
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RE: Boxt Heat Pump Installation Experience
@adrian any updates since installation? How is it perfo...
By Ashfp , 2 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 , 3 days ago
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@seatonian got your email. Will connect you with a reco...
By Mars , 4 days ago
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@downfield and @toddles, this isnβt in the settings cur...
By Mars , 6 days ago
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RE: Homely launched for Grant Aerona ASHP control
I haven't bought the Aerona Smart Controller (Β£700!) bu...
By Prunus , 6 days 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 , 6 days ago
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RE: Compressor attempts start but fails - Nibe Fighter 2005 8kW
@skyefarmer amazing. Well done!
By Mars , 6 days ago
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RE: Air source heat pump roll call β 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
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RE: BUS Grant: removal of all other fossil fuel heat sources
@rikiarn - just have a think as to how much it will cos...
By Transparent , 1 week ago