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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
AllTopicsReplies
Reply
RE: Disappearing hot water.

Hi Porthy, I have just had another thought about your problem. Much depends on what control valves you have installed on your system, how they are...

5 years ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: Disappearing hot water.

Hi Porthy, Welcome to the forum. As Brendon has stated, it could be that you are just not heating the water for long enough, or it could also be t...

5 years ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: My ASHP installation journey in Monmouthshire, South Wales

@novemberromeo Hi Nic, As suggested previously by Matt, I think you should ask for a detailed breakdown of the heat loss calculations so far perform...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My ASHP installation journey in Monmouthshire, South Wales

That's strange, I thought that the people carrying out the heat loss calculations were actually 'employed to do that for a living'. If not, then they ...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My ASHP installation journey in Monmouthshire, South Wales

@novemberromeo Hi, Based on calculations I have carried out on ASHP data, a good rule of thumb would be that an ASHP should be sized to be approx...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air source heat pump performance

@caroline2000 Hi Caroline, Welcome to the forum. ASHP's are noisiest when they are working hardest, which would also be when they are using most e...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My ASHP Installation

@kev-m Hi Kev, The data looks quite interesting and is similar to what I would expect from a Proportional Action + Integral Action (PI) controller r...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is my heat pump correctly sized?

Hi Mars, Looking on the bright side, at least it did not happen in the depths of Winter. Have you tried re-pressurising your system and looking for ...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air source heat pump performance

@markc Thanks Mark, I try to be helpful whenever possible. As an afterthought to help conserve energy, you could retain the timer in the circuit, ...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: 200 year old farmhouse in Cornwall

Hi Rodgero, You may have left it a little late to get everything sorted this year. As others have stated, insulation would be your best starting p...

5 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air source heat pump performance

Hi Mark, You could switch your pump on and off by means of a Pipe Clamp Thermostat, which could be installed at a suitable location on the pipework....

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

@panelbeater Hi Panelbeater, Welcome to the forum and yes I did read your post with interest.

5 years ago
Forum
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