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Derek M

@derek-m

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Illustrious Member

Joined: Mar 4, 2021
Last seen: Sep 19, 2024

Topics: 7 / Replies: 4403

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RE: Review your air source heat pump

@toodles Is the underfloor Q-Bot insulation expensive?

3 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Connecting to Midea MSmartHome using a PC

Sorry, I was being facetious when I said 'Lucky you'. From what I can gather, your system design and the way you are operating the system would appe...

3 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Connecting to Midea MSmartHome using a PC

It looks like you could have a buffer tank and plate heat exchanger. Lucky you. 🙄 Do you also have lots of water pumps?

3 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Connecting to Midea MSmartHome using a PC

If the LWT from your heat pump is 39C, but you are only getting 32C at your radiators, then I would suggest that you search for a buffer tank and chec...

3 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Keystone COPs? I'm not getting the efficiencies I expected on my Ecodan.

I suppose that it is how we use and interpret the different words. When one looks at the specification of measurement systems, accuracy will often b...

3 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Keystone COPs? I'm not getting the efficiencies I expected on my Ecodan.

I recently watched a heatgeek video, where they have installed solar thermal panels and a heat store to provide heating at their offices. This not onl...

3 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Meaning of ΔT setting in an ASHP

@marzipan71 I spent over 50 years working on complex systems of various types, and found once one learns how equipment has been designed to operate ...

3 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Ecodan. How to run this efficiently with zero understanding.

As humans we have been taught to count using the decimal (denary) systems as shown below. (100's) (10's) (1's) 1 9 ...

3 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Keystone COPs? I'm not getting the efficiencies I expected on my Ecodan.

I think that dependent upon the type of solar thermal panel, the efficiency can be in the 80% to possibly 90%. A solar PV system is in the order of 20...

3 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Meaning of ΔT setting in an ASHP

As I was trying to make clear in my previous post (though probably not very well), in heat pump system in particular, it is a balancing act between op...

3 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Keystone COPs? I'm not getting the efficiencies I expected on my Ecodan.

No problem.

3 years ago

Forum

Air Source Heat Pumps (ASHPs)

RE: Keystone COPs? I'm not getting the efficiencies I expected on my Ecodan.

Yes, please post a copy.

3 years ago

Forum