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Derek M
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Derek M
@derek-m
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Illustrious Member
Joined: Mar 4, 2021
Last seen: Sep 19, 2024
Profile Activity
Topics: 7 / Replies: 4403
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Reply
RE: Heat pump research study: UK homeowners that decided not to install a heat pump after considering it

Being the old cynic that I am, I suppose who is included or not, will depend upon 'what result this company has been instructed to achieve' from the d...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Dedicated heat meter and HP heat meter discrepency

@theallan As the saying goes "a picture is worth a thousand words". The heat meter temperature sensors are indeed in pockets, and if correctly ins...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Dedicated heat meter and HP heat meter discrepency

@theallan Where are the temperature sensors associated with the heat meter, are they in pockets or clipped to the pipework? Are the temperature sens...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: PWM pump or not?

So will you get a free heat pump? 😋 In which case you will have a spare water pump and heat pump. 😎

3 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: 12kW Samsung gen 6 short cycling

@iantelescope Where are you measuring the signal using the scope? What happens if you connect the cable to a pump? How does the waveform change if y...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Dedicated heat meter and HP heat meter discrepency

If correctly installed, I would expect the external heat meter to be the more accurate. Please provide photo's, both distance and closeup, of your ins...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 12kW Samsung gen 6 short cycling

@iantelescope Assuming that the PCB is removable, you could try locating the faulty component and replacing.

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

@jeff I agree, the forum should be as inclusive as possible. When answering queries one should be aware of the technical knowledge of not only th...

3 years ago
Forum
Introductions, Forum Rules & Updates
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RE: 12kW Samsung gen 6 short cycling

The fact that the voltage drops quite considerably may indicate a fault on the PCB. Does the width of the pulse change if you change the DeltaT? D...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 12kW Samsung gen 6 short cycling

Without knowing what components are on the Samsung PCB, it is difficult to say if it may have been damaged. Are there any cautionary notes in the docu...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Rate the quality of your heat pump design and installation

@davesoa You could always start with improving insulation if that is possible.

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 12kW Samsung gen 6 short cycling

@iantelescope If the timing on the graphs is milliseconds, then the PWM operating frequency from the Samsung PCB would appear to be approximately 2H...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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