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Brendon Uys

@heacol

Contributor

Prominent Member

Joined: Aug 6, 2021
Last seen: Oct 1, 2025

Topics: 3 / Replies: 411

AllTopicsReplies

RE: Air source heat pump performance

@kev-m Sorry My mistake re The COP, I missred the graph. 😖 That sounds great, I think you will find a huge diffreance. @morgan, 25 - 45 is 2...

4 years ago

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Air Source Heat Pumps (ASHPs)

RE: Air source heat pump performance

No, it is still like driving a car in to a 100 mile an hour head wind. This is what they look like inside and this is how they work, the water ...

4 years ago

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Air Source Heat Pumps (ASHPs)

RE: Air source heat pump performance

@kev-m Thanks Kev, I will try to be gentle!! 😀 You have just given me all the evidence I need to prove that you are running your system incorrectly....

4 years ago

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Air Source Heat Pumps (ASHPs)

RE: Air source heat pump performance

@markc You only need 1 valve to divert the water from heating to hot water. I have left the one in your anex as you may not use it all the time and wi...

4 years ago

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Air Source Heat Pumps (ASHPs)

RE: ASHP in Hampshire

@batalto Nice indication of the implacations of flow temperature, try to drop your curve even further and disable all you other levels of control by t...

4 years ago

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Air Source Heat Pumps (ASHPs)

RE: Air source heat pump performance

@markc do not expect to improve your COP very much, if you do not do anything. By the way, you only need 1 valve and about 3 hours of a good plumbers ...

4 years ago

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Air Source Heat Pumps (ASHPs)

RE: Air source heat pump performance

@markc So changing the synchron valves for diverter valves makes the change that the hot water flow is no longer stopped, but allowed to keep flowin...

4 years ago

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Air Source Heat Pumps (ASHPs)

RE: Air source heat pump performance

@markc Your system is very cloce to what it should be. Here are the alteratins that need to be done, chiange your control to full weather compensation...

4 years ago

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Air Source Heat Pumps (ASHPs)

RE: Air source heat pump performance

@editor Looks an interesting system. From to pictures it appears that you have 3 pumps running in addition to your pumps in the heat pump and boiler. ...

4 years ago

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Air Source Heat Pumps (ASHPs)

RE: Air source heat pump performance

@editor Yes, yours is a combined unit, Hot water cylinder at the top and buffer on the bottom. A good cylinder, I use them sometimes if the system i...

4 years ago

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Air Source Heat Pumps (ASHPs)

RE: Air source heat pump performance

@editor Mars, can you give me a picture of the pumps and valves ect cut from your picture.

4 years ago

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Air Source Heat Pumps (ASHPs)

RE: Air source heat pump performance

@editor Yes it is possable, ther are some combined units on the market.

4 years ago

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