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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: Really weird behaviour, random heat spikes with Heatmiser!

If it is not the MVHR causing the spikes then please explain what may the cause and how?

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Flow rate for Samsung Gen6

The minimum and maximum flowrates should be detailed in the specification section of the installation manual.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan & MEL Cloud

If it was my system, I would be taking the matter up with the installer and his professional indemnity insurer, since the design and installation of t...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan & MEL Cloud

Sorry Gary, it is the property that is too large for the heat pump. 😋

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan & MEL Cloud

Please explain 'worse'. If the heat pump is producing almost 14kW, but the present heat demand is greater than 14kW, then the net effect will be for t...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Really weird behaviour, random heat spikes with Heatmiser!

From the range on the charts, I'm assuming this is the IAT that is being shown. I doubt whether the heat pump would cause spikes to the IAT, so I wo...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Under which weather conditions does your air source heat pump perform best in the winter?

When it is warm and sunny and the heat pump is switched off. 😋

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Solar battery size- advice please!

@chickenbig It feels like "low and slow" is rather at odds with the feast/famine nature of wind. I've yet to resolve this in my mind, just like whet...

2 years ago
Forum
Energy Storage
Reply
RE: Solar battery size- advice please!

@transparent I fully agree, just as heat pumps don't play nicely with heatmisers, averages don't work well with both electricity generating capacity...

2 years ago
Forum
Energy Storage
Reply
RE: Mitsubishi Ecodan & MEL Cloud

That is indeed a valid point, since I did not look too closely at the details, mainly the total heat loss figure. Having different room temperatures...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan & MEL Cloud

It is difficult to provide precise advice without knowing all the details, so instead I will merely make some suggestions. Carry out, or have carrie...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Vaillant another 5kw compressor blocked fault

What does the manual say about this alarm and its likely cause? Refrigerant gas goes through the compressor, not water, so I don't really see how th...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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