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Last seen: Sep 19, 2024
@kev-m Hi Kev, Once again excellent data. Thank you. I have recently developed a WC version of the modeling tool for the 14kW Ecodan, so it woul...
I believe the changes have already been implemented, and I have noticed that Agile appears less volatile recently. By the way. There is nothing wron...
@toodles I remember reading a newspaper article some time ago that stated that Ofgem was making changes to the wholesale electricity pricing arrange...
The standard way of denoting the thermal energy output capacity of radiators is at a Delta T of 50C.
@squarepeg77 Welcome to the forum. The value given for 'Total Output of Heat Emitters: 7.4kW' seems rather low. Is this at the standard 50C Delta ...
@cathoderay I think that I may have said so at the time, but if not, "I'm sorry that you have a system designed by freedom heat pumps". How low di...
Not all heat pumps are midea's, and not all systems have primary and secondary water pumps. Even on systems that do have both water pumps, I cannot se...
If your intention is to use your room thermostat as a high temperature limit, then your water pump will need to run when your heat pump is running. ...
@mike-h So your heat pump works fine at the moment when operating in CH mode, but has started to struggle when in DHW mode. I would suggest that y...
The fact that the heat pump is stopping would possibly indicate a problem with the heat pump itself. It is a pity you don't have the RWT on the chart....
@cathoderay No and yes, compressor frequency denotes how fast the compressor is running. How hard it is working is dependent upon the pressure withi...
Changing 2104 from 0C to -5C will automatically reduce the required LWT. I presume when you say it was "slow and steady", this was during milder wea...
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Degrees of Separation
Latest Posts
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@batpred They offered both, I went with Pro. As an amat...
By baroquebank , 1 hour ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
@penval, really useful update. After all the discussion...
By Mars , 21 hours ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 2 days ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
D'oh - of course. I shouldn't post before my brain is f...
By Old_Scientist , 2 days ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 2 days ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 2 days ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 2 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 3 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 3 days ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 4 days ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 4 days ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 5 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 5 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 6 days ago
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