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scrchngwsl
@scrchngwsl
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Joined: Oct 26, 2022
Last seen: Jul 19, 2025
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Topics: 4 / Replies: 87
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RE: Heat pump delta T too low - 2c

Seems I posted at exactly the same time as you to make exactly the same point - the change in DT will probably be imperceptibly small.

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump delta T too low - 2c

This is really interesting. Thinking "out loud", I think that assumption is likely - you would only see a significant change in Delta T if your whole ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump delta T too low - 2c

Regarding the Honeywell valves, I have this one installed: Should I ask for it to be replaced with a different one? If so what should I tell/ask f...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan & Raspberry Pi automations

I wonder if this means that, in addition to the PID-style feedback system, it also has a "model" for heat loss, which it populates with the data that ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan & Raspberry Pi automations

Does the FTC5 controller have a built-in temperature sensor or is it just the FTC6?

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Cosy Octopus - New ASHP tarrif

How do you set the flow temperature on the timer in the app? I can see how to set the room temperature, and I can see how to switch between "room" and...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: The Seven Deadly Sins of bad ASHP install

My parents moved into a new build flat last year which was heated with a heat pump. There was basically no hand-over or instruction from the builders....

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Say hello and introduce yourself

No worries, they got G99 approval from the DNO for the 5kW system.

3 years ago
Forum
Introductions, Forum Rules & Updates
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RE: Say hello and introduce yourself

TBF you won't get 6 kW from your solar array for very long. You'll only get 6 kW if the sun and roof are at the right angle (South facing roof, around...

3 years ago
Forum
Introductions, Forum Rules & Updates
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RE: Accessing and analysing data from your heat pump

It's wild, I paid thousands of pounds for this equipment, the unit is mine, the sensors are mine, the house is mine, data is mine. I shouldn't have to...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: AI Heating Controls & IoT

Personally I think we can get a lot more mileage out of human feedback mechanisms in addition to sensors. For example, when my wife is cold, she turns...

3 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: The Mystery of the Weather Compensation Curve

This gives you the heat requirement of the property -- that is, the amount of energy that the heat pump is required to produce. But we're really inter...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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