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Kev M
@kev-m
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Joined: Mar 5, 2021
Last seen: Jan 8, 2025
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Topics: 10 / Replies: 1266
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RE: Ecodan Minimum Run Time, Flow & COP

@rod Very interesting. My (14kW) ASHP can definitely run the compressor in bursts of less than 20 minutes when in heating mode. It doesn't do it v...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Real world connection to a heat pump over modbus

@cathoderay a quick Google reveals that plotly is the company and dash is the product. I don't know exactly how your (or any) ASHP decides to s...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Real world connection to a heat pump over modbus

Couldn't you try just changing the curve so that the flow stays higher a bit longer? Can you have steps in your WC curve? Mine is using Mitsi's Auto ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Real world connection to a heat pump over modbus

@Cathoderay, Looking good. Is this running on WC or chasing/maintaining a room temperature? It's interesting that after about 11am, it both cyc...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Heat pumps and on/off working - starting to quantify it

There might a minimum LWT setting that applies whatever the WC curve says. Maybe that is 30?

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Freeze Stat/Defrost setting….Ecodan in freezing conditions

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Freeze Stat/Defrost setting….Ecodan in freezing conditions

If you set it to 3 degrees.... When outside air temperature gets to 3 degrees, it starts the circulation pumps and monitors the flow (I assume it us...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Freeze Stat/Defrost setting….Ecodan in freezing conditions

@Linz, can you explain a bit more what the problem is and what you want to do? You can't change anything to do with defrosting as far as I know. Fr...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Grant Areona 17kw questions/concerns

@daniel, do any of the radiators ever actually get hot? I mean properly hot, not just lukewarm. Not scalding hot; more like a hot shower or bath. ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Grant Areona 17kw questions/concerns

Aaron, no reason why not, although you might find it hard to find someone at the moment. I suggest you try the UK Heat Pumps Facebook group. Howev...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: moving from ASHP to Gas Combi

@ninja.tiger Building regulations seem to suggest you can't replace an existing heating system with one whose C02 emissions are higher. See page 35 ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Vaillant Arotherm Plus Help needed

Mitsubishi does it by using the immersion for DHW. It doesn't run ASHP heating and DHW at the same time.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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