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rhh2348
@rhh2348
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Joined: Feb 2, 2024
Last seen: Dec 30, 2025
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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...

9 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 ...

9 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?
9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 31
Views: 4112
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RE: Ecodan consuming 100kwh per day in new build!!!

Any updates, OP (@anca1808)?

9 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...

11 months 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...

11 months 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...

11 months 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...

11 months 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 />

11 months 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...

11 months 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)

11 months 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...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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