Last seen: Jan 14, 2025
@snuffy I agreed with transparent, that does not look like appropriate external insulation type (it looks like the standard grey interior stuff) or me...
@dandee I didn't include output power on the previous graphs just for simplicity as was trying to show the group that flowrate / compressor / power wi...
@iantelescope the UPMM pump which I have has no status LED's. It "just worked" - once I'd got the cabling correct. I did find that the labelling of GN...
the "time based" learning and adapting is really basic. Thats the one thing I've been really disappointed about, given all the effort Tesla put into A...
graham is on this board so we can both message him the same thing through here! training - the supplier that I bought from said samsung are happy fo...
@bontwoody I'm glad you noticed that one as well I went back and checked that one for the 202x settings 4 times, before I was finally convinced by a ...
so I'm a little late to this thread but.. I have a samsung Gen6 16kw self installed. I have a grundfos UPMM 25-95 pump. physically I have a single cir...
welcome to the self-install club 🙂 do you have a strong feeling of achievement? I have 5 manuals, including the modbus one. 2 are dupes though. ...
@cathoderay that pump looks like a grundfos UPMM, which is indeed PWM control capable and has two cables just as you show. I know what it looks l...
I actually really like the look of it. the heatsink design looks great 😉 😎
@derek-m/p> as well as varying by date of install (earlier = more) there are also variations by system size. 0-4, 4-10, 10-50 and up from there. the...
@z8lccda one other set of question(s) for you to think about: large house or small house? draughty old thing or passivhaus? number of people in the ho...
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Changing from 4-port buffer to volumizer
BackgroundI bought a house at the beginning of 2025. Th...
By Andy1618 , 10 minutes ago
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RE: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far
Just wanted to add something to this in regards to Octo...
By DREI , 19 minutes ago
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RE: ASHP sizing - value of Heat Transfer Coefficient
Sorry, but I cant see what the point of this is unless ...
By JamesPa , 16 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
TC Thermostatic Radiator Valve TRV Plastic Decorators S...
By Toodles , 19 hours ago
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RE: Ecodan unable to hit legionella target temp - what's the consensus?
UPDATE: Thanks everyone who commened with suggestions h...
By 9jwr9 , 24 hours ago
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How long will your energy contract last?
Some heat pump tariffs don’t run as long as a heat pu...
By Toodles , 3 days ago
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@morgan They are unsupervised these days, can’t get the...
By Toodles , 3 days ago
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RE: Setback savings - fact or fiction?
Exactly. We only need to compare conditions, to decide ...
By cathodeRay , 4 days ago
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RE: Balancing financial efficiency and comfort using the Octopus Cosy tariff
I found because I have very low heat loss I can set bac...
By RadWhisperer , 4 days ago
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RE: Need Help Optimising My Rushed ECO4 Install: 12kW Bosch Heat Pump
Welcome @mickamills We too have an oversized 12kW Sa...
By Old_Scientist , 4 days ago
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RE: My Powerwall 3 Consumes 3-4 kWh/Day in Self-Consumption: Is This Normal?
@caron I can confirm that the power usage of the PW3 is...
By Old_Scientist , 4 days ago
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RE: Speedcomfort radiator fans
Thats true, but having tried (and succeeded) in constru...
By JamesPa , 5 days ago
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RE: Heat Pump Heats the House… But It’s Not Cosy. Emitter Changes or System Tweak?
@alastair There I was, feeling grumpy, he said “Cheer u...
By Toodles , 5 days ago
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RE: Grant Aerona: Is there a setting to keep the 2-port valve open during pump blockade
Depends on OAT. Mine cycles at OAT>10 and of course...
By JamesPa , 5 days ago
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RE: New Fogstar 15.5kWh upright solution
@transparent My conclusion is as you have noted, tha...
By Bash , 5 days ago
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RE: Mitsubishi Ecodan R290 10kW performance
And to you too. Wishing you a very enjoyable festive s...
By Sheriff Fatman , 5 days ago
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RE: External pipework insulation
They do? But that isn't apparent from the photos we'r...
By Transparent , 5 days ago
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RE: Say hello and introduce yourself
@velcro welcome to the forums. Please feel free start a...
By Mars , 6 days ago

