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rhh2348
@rhh2348
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Joined: Feb 2, 2024
Last seen: Aug 21, 2025
Profile Activity
Topics: 9 / Replies: 89
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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...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

6 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

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

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

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

7 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)

7 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...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Flow rate vs emitter 'openness', and CoP?
7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 2
Views: 728
Reply
RE: Mixing of pipework/components' with different internal dimensions - theory vs reality/practical approach

No, I don't - reading@heacol recommends removing the mag filter and adding a Y strainer! Thoughts?? Agree, however would the DN19 of the flow se...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mixing of pipework/components' with different internal dimensions - theory vs reality/practical approach

Also, in terms of positioning of the 22mm-based components, I'd be keen to know others thoughts on where these would go to optimise flow and their per...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mixing of pipework/components' with different internal dimensions - theory vs reality/practical approach

@johnr The question at that point is, as posed in the OP, for those to go back through 22mm flow sensors and a mag filter to the return to the outdoor...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
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