Last seen: Jan 26, 2023
I opened the valves on the actuators (white valves in the picture). This was to have an open system for the pump to heat the whole house at once. Orig...
Is there any reason to believe changing the delta T to 3 when it's milder outside is detrimental? I guess the trade off is possibly a circulation pump...
Yes it might be this asas I have never seen the pump go below 10l/min, which for a delta T of 5 that means 3.5kW. But then I do not understand why I c...
Does this mean that a smaller, 9kW heat pump can avoid cycling simply because it is "allowed" to have lower flow rates? If mine cannot go, say, below ...
Thank you for your explanation, I will need to think about this. Because I am still struggling to understand this point. Why would an oversized heat p...
Ah, that's what I feared. Why did they have a clearly oversized heat pump installed? That sounds counterintuitive as more costly to run. But wha...
@derek-m 3-bed semi detached, about 100 square metres. The MCS document says something like "Room specific heat loss 40-60W/m2" which I have no idea w...
Latest Posts
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
Yes. In addition or instead. The point us that trv b...
By JamesPa , 2 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 , 1 day ago
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@morgan They are unsupervised these days, can’t get the...
By Toodles , 1 day ago
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RE: Setback savings - fact or fiction?
Exactly. We only need to compare conditions, to decide ...
By cathodeRay , 2 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 , 3 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 , 3 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 , 3 days ago
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RE: Speedcomfort radiator fans
Thats true, but having tried (and succeeded) in constru...
By JamesPa , 3 days ago
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RE: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far
@bash brilliant, thanks for the feedback
By energy9165 , 3 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 , 3 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 , 3 days ago
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RE: New Fogstar 15.5kWh upright solution
@transparent My conclusion is as you have noted, tha...
By Bash , 3 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 , 3 days ago
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RE: External pipework insulation
They do? But that isn't apparent from the photos we'r...
By Transparent , 3 days ago
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RE: Say hello and introduce yourself
@velcro welcome to the forums. Please feel free start a...
By Mars , 4 days ago
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Daikin EDLA11D3V3 DHW Settings
I have a newly installed EDLA11D3V3 which I'm still get...
By Velcro , 4 days ago
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RE: Midea ASHP – how to set weather compensation
@curlykatie did you get sorted with this?
By MickaMills , 4 days ago
