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Last seen: Mar 21, 2026
@rhh2348 We have a Tempest Solar cylinder which has two coils and has 250l volume. Solar thermal array on the roof. The Grundfos circulation pumps ...
My bad…. the FTC6 does have separate speed settings as you say. It’s some time since I’ve looked at the on screen menu for pump speeds because we can...
Hi, @rhh2348 I’ve been looking for ways to control flow rates on our ecodan for over 2 years specifically for our Tempest cylinder. We now control ...
It’s clear from what you say, above and what we have experienced in our own system that radiator systems behave very differently to screed laid under ...
Hi @rhh2348 I have a question on your underfloor setup. The floor you’re describing above, assuming the 100mm thickness is a concrete screed, wou...
Hi @rhh2348 , coming late to this thread as our Ecodan is off and our DHW is wet solar during the summer months. Have you found the answers to your ...
So @lickofpaint I think you have your answer - “Your question isn’t so dumb…” as for lived experience we did some experiments on night time setba...
Your graph shows some interesting correlations. Simple question- Can you confirm if the 17% difference in estimated consumption is of your total HP m...
yes ours is set exactly as you stated. 72W for pump4. Zero for all others. I may consider reducing it to 50w and see what that does to the daily sta...
Hi. Do you know if your meter is collecting all energy used by all ancillary equipment eg. Immersion heater, zone pumps (if fitted) etc? Also how ma...
@derek-m brilliant... will look into it!
Latest Posts
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@swwils mine is mostly off now. Hot water for an hour ...
By AndrewJ , 3 hours ago
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RE: Setback savings - fact or fiction?
I too agree with what you say, and am grateful to you f...
By cathodeRay , 4 hours ago
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RE: Vaillant Sensocomfort Time
Thank youy for the pointer. I think I have managed to ...
By ispookie666 , 5 hours ago
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RE: Forum updates, announcements & issues
I have been doing a lot of work on the site lately and ...
By Mars , 5 hours ago
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@majordennisbloodnok good advice, thanks for that.
By David999 , 9 hours ago
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RE: My Grant R290 9kW Heat Pump Installation
I am following this thread with great interest and than...
By TaffontheTaff , 11 hours ago
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RE: Sizing an ASHP; Heat loss and kW
You can't measure heat loss with a website. But you ca...
By JamesPa , 1 day ago
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RE: Estimating true heat loss from twelve months of consumption data
@ian33a — I have a sort of residual interest in this pr...
By cathodeRay , 1 day ago
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Hi, Thank you. So its a Daikin Altherma 3M...
By Lbart68 , 1 day ago
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I have a Contactum CU. Would the below RCBO (descriptio...
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RE: Samsung gen 7 HP 12kw - auto control issue and water law
@chainreaction Agree with @broadsman , it seems many ...
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RE: Anyone concerned about GivEnergy?
@transparent Thank you and appreciate your timely reply...
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RE: Grant Aeona 3 R32 cycling with weather compensation.
The hot water heating looks normal. The heat transfer ...
By GrahamF , 2 days ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
Good questions @temperature_gradient. My understanding ...
By springswood , 2 days ago
