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rhh2348
@rhh2348
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Joined: Feb 2, 2024
Last seen: Jan 18, 2026
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Topics: 9 / Replies: 93
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RE: Ecodan - is there actually such a thing as a 'minimum' flow temp to avoid cycling, and why if so?

At the time of the example I gave, it seemed to be <= 3C, yes - however I think that Mitsubishi's algo varies this depending on other readings; flo...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan - is there actually such a thing as a 'minimum' flow temp to avoid cycling, and why if so?

Is that the basis for all cycling - for example, if dT between LWT and RWT is too high, it means the house can't/doesn't need to absorb more - or are ...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Ecodan - is there actually such a thing as a 'minimum' flow temp to avoid cycling, and why if so?
11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 31
Views: 5516
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RE: Ecodan consuming 100kwh per day in new build!!!

Any updates, OP (@anca1808)?

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: How Do Compressors and Frequency Affect Heat Pump Efficiency?

I found this post of mine recently and was to report back by @heacol on findings since the post. However, my system has been significantly improved s...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan consuming 100kwh per day in new build!!!

Gonna challenge a few things here... I'm not sure those correlate. The system can be set to use 'flow temp' mode (Mitsubishi speak for fixed fl...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan 2 zone setup issues

Not my area of expertise so won't comment on that. I assume 'the ecodan board' is the 'FTC' (flow temperature controller) - you can see the FTC6...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan 2 zone setup issues

If you're technically-minded you can probably figure it out, though it may take a while to sink in. If you've adjusted the dipswitches already, you'v...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Ecodan ASHP - How to optimise my set up?

@sliderule - see my related earlier post, atbr />

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Flow rate vs emitter 'openness', and CoP?

In another post, @jamespa wrote: Yes! Well, I guess slightly-more nuianced - see below. The lower flow temp constraint (in bold) is useful t...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Underfloor heating: Diagrams with COP 'per water flow'

(Answering in the referenced post)

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Underfloor heating: Diagrams with COP 'per water flow'

I was in two minds whether to comment here or start a new post - I decided the latter as this was specifically about reference material for CoP vs flo...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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