Last seen: Sep 24, 2025
@jamespa All one can say is many thanks for the help from all and more importantly patience! Will now push on with pictures. I do have the manu...
Thanks. Yes I understand how the curve works. What's not clear is how can a low curve eg 0.3 that's right for the house temperature selected, but d...
So just to be clear here. Even when the OAT drops below freezing a low heating curve should still translate to a high LWT? Perhaps I'm not seeing ...
@cathoderay Many thanks for the reply Yep. We're 250m up in the Cheviots in the Borders! I have none prior to central heating. We were...
Hi cathodeRay Can't pm you I haven't enough posts. I'm attaching the docs I have on heat loss. The controller is 3 weeks old so malfunction unlik...
@editor Will get back. Lots to try. Thanks to everyone Cliff
Yep that's good to hear. The heat curve issue that is. I thought the pump might be undersized but the company did a good amount of cals which I've r...
Thanks Mars Some good stuff in there The overshoot on KISS is probably nearer 2 degrees but I was trying to modulate at 19 degrees at the time in ...
Latest Posts
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RE: Electricity price predictions
I sent in two submissions to the SSES Governance Consul...
By Transparent , 37 minutes ago
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RE: DHW heat loss through pumps.
Sorry Im still not getting it. How does a recirculat...
By JamesPa , 1 hour ago
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RE: Grant 13kW Aerona3 - issues getting zones to temp
And the saga continues… So today a Senior Grant Engin...
By Crimson , 3 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
The problem comes only if you can't turn the ft down su...
By JamesPa , 4 hours ago
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RE: Installer Fitted 9kW Instead of 11kW Heat Pump and Changed MCS Paperwork - What do I do?
@jamespa Yes, the OAT sensor is situated on the back pa...
By Toodles , 6 hours ago
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RE: Ecodan ASHP Low COP and Unstable Compressor Frequency
Just to clarify, returning water from UFH is colder tha...
By lukewarmbath , 6 hours ago
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RE: 10kw heat pump run in 24*7 data?
A different heat pump (Midea 14kW) but a stark reminder...
By cathodeRay , 6 hours ago
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From what I see, the work to upgrade the cable, etc all...
By Batpred , 6 hours ago
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RE: Confusion over Octopus Tariffs
That's sounds great. I have no ASHP, but 15kwh storage....
By Batpred , 7 hours ago
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RE: Solis S6-EH1P8K-L-PLUS – Why I Chose It and What I’ve Learned So Far
Locked environments are difficult to manage, it also me...
By Batpred , 7 hours ago
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RE: Do Heat Pumps need to start up at Full Power?
@steelbadger Attached is the plot for various parameter...
By Toodles , 11 hours ago
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RE: Has anyone seen this problem before? Huge anticycling times
Hi all, I had a 15kw installed 3 weeks ago. The past we...
By jamesh , 12 hours ago
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Adia Therma - 'autopilot for heat pumps'
Thought I'd pop this one in here as the Adia proposal a...
By seatonian , 1 day ago
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RE: Mitsubishi Ecodan R290 10kW performance
Don't know answer to final question. Your contract p...
By JamesPa , 1 day ago
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RE: New Fogstar 15.5kWh upright solution
Ah, it seems PACE BMS are easy to source on AliExpress,...
By Batpred , 1 day ago
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RE: Vaillant water pressure gauge vs Analogue gauge
@jamespa Agreed I don't feel concerned about this, espe...
By jeegnesh , 1 day ago
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RE: Heat Pumps Without Grants: Would You Have Installed One & Will You Now?
@toodles Yep, and it is not even a sticking plaster ...
By Jeff , 1 day ago
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RE: Gov wants to alter our FIT contracts from rpi to cpi
The consultation is just part of the normal process for...
By Jeff , 1 day ago
