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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: 4405
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RE: Rethinking the mindset for mass retrofit - a provocative idea

@jamespa There is no such thing as a 'standard real world situation', if identical heat pumps were to be installed on your home and your neighbour's...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Rethinking the mindset for mass retrofit - a provocative idea

@jamespa I was primarily referring to the comical part of the statement. 'Having an MCS Certified product installed by an MCS Certified Contractor...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Rethinking the mindset for mass retrofit - a provocative idea

@jamespa I have just Google'd 'Who funds MCS', and obtained the following comical message. It is supported by the Department for Business, Energy ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Rethinking the mindset for mass retrofit - a provocative idea

Whilst I agree that the present systems need vast improvement to encourage uptake of heat pumps, your idea of HT heat pumps I feel will have even bigg...

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

This link was posted on the forum yesterday which you may find of use.

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

Are you using Weather Compensation (WC) mode? What is the present Leaving Water Temperature (LWT) on your system?

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

@iantelescope Have you cured your cycling problem yet?

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

There will always be occasions when heat pumps will cycle, just as gas boilers and oil boilers also cycle. For optimum efficiency it is necessary to r...

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

I believe that the primary benefit of installing a volumiser tank is to provide additional thermal energy, back to the heat pump, during a defrost cyc...

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

@iantelescope If you want to stop or reduce the cycling, you should consider reducing the LWT.

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

@iancalderbank Whilst the graphs appear to be excellent, they are rather difficult to read. Could they be posted separately?

2 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
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RE: Dedicated heat meter and HP heat meter discrepency

@theallan Here are a few further questions. What are the heat loss calculations for your home? What type of heat emitters are installed and what...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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