Last seen: Sep 19, 2024
From the tests and observations I have performed, much depends on the climatic conditions, the thermal mass of your home, personal preferences along w...
@iantelescope How are you obtaining and recording the data for the graphs? On the Power kW graph, what is the scaling of the horizontal axis? Is t...
Take a hypothetical home, with a calculated heat loss of 12 kW at an outside temperature of -3C, when maintaining an indoor temperature of 21C. So f...
@mike-h I find a better analogy to represent a home, is a smaller vessel containing equidistant pins holes (heat loss) located inside a larger vesse...
@iantelescope Mounted in parallel with the PHE, the buffer tank is more like having a low value resistor in parallel with a higher value resistor (P...
@iantelescope It may be beneficial to understand why a heat pump may cycle, and then look at ways in which the cycling may be stopped or at least re...
If my memory serves me well, the Human Machine Interface (HMI) is often located on the main controller, which is usually placed in the airing cupboard...
Where is your FTC controller located?
@iantelescope I have worked with French engineers, I was not impressed.
@iantelescope I afraid that your analogy of a buffer tank being the same as a capacitor is flawed. For a buffer tank to be similar to a capacitor it...
In the Kendra example, note the position of the circulation pump, which is after the buffer tank, and I suspect would only work with any degree of eff...
Current Frequency could be in relation to the compressor speed, since it is controlled by a variable frequency drive. Evaporator Steps may relate to...
Latest Posts
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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 , 6 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
TC Thermostatic Radiator Valve TRV Plastic Decorators S...
By Toodles , 10 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 , 15 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 , 2 days ago
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@morgan They are unsupervised these days, can’t get the...
By Toodles , 2 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 , 4 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 , 4 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 , 4 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 , 4 days ago
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RE: New Fogstar 15.5kWh upright solution
@transparent My conclusion is as you have noted, tha...
By Bash , 4 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 , 5 days ago
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Daikin EDLA11D3V3 DHW Settings
I have a newly installed EDLA11D3V3 which I'm still get...
By Velcro , 5 days ago
