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davidnolan22
@davidnolan22
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Joined: Jan 15, 2025
Last seen: May 2, 2025
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Topics: 0 / Replies: 100
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RE: Mitsubishi Ecodan 8.5kW Monobloc (FTC5) Defrost Mode

@jamespa thanks again. It makes sense. Before the new bigger LLH, I had a 35mm piped distribution header. There was no blending there, only when I put...

7 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Mitsubishi Ecodan 8.5kW Monobloc (FTC5) Defrost Mode

Hi Gary, Yes, I think I’m getting the hang of it and whats gone on this winter. And yes, during the cold snap previously there was not enough en...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Mitsubishi Ecodan 8.5kW Monobloc (FTC5) Defrost Mode

That’s a really thoughtful reply. Thank you. It’s a great help. lots to ponder. My view has been consistently that i don’t need much more than 35 t...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Mitsubishi Ecodan 8.5kW Monobloc (FTC5) Defrost Mode

I mean, if I put in 45 on fixed flow as the flow temp, open all Zones and leave it, it will never get there, spends hours ( I’m mainly UFH in screed)...

7 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Mitsubishi Ecodan 8.5kW Monobloc (FTC5) Defrost Mode

@jamespa What controls the pumps Wireless stats control the rad and 3rd party stats the UFH, all of them calling for heat all the time Are you ...

7 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Mitsubishi Ecodan 8.5kW Monobloc (FTC5) Defrost Mode

@jamespa At the minute I have all stats turned to max and running weather compensation. Its running 24/7. all the rads are fully open, nothing is s...

7 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Mitsubishi Ecodan 8.5kW Monobloc (FTC5) Defrost Mode

@gary yeah, I have one wireless stat doing the rads, and then 3rd party ones which i just have turned to max now as they are a total pain in the ass.

7 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Mitsubishi Ecodan 8.5kW Monobloc (FTC5) Defrost Mode

@jamespa House is 258m2, recently renovated. done a good as job as possible with insulation: stone build but most external walls old and new have ...

7 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Mitsubishi Ecodan 8.5kW Monobloc (FTC5) Defrost Mode

Just to update here on the above. My installers came to hopeful sort my heat pump system out. They swapped a piped header for a bigger low loss heade...

7 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Ecodan 2 zone setup issues

@michaelsimpsonuk hi, I’m still aware that this isn’t your heating system: it’s your landlords. I’d tell them your concerns or move out.

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

That’s quite expensive, but, to put into context. My heat loss is about 9 to 10kw at 0 degrees. And with my high thermal mass, I can only run my house...

7 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Ecodan 2 zone setup issues

On that point, I’d agree. I’ve a 260m2 retro fit. Parts of it are 18th century cottage. I’ve got 11.2 kw. It’s not got lots of spare capacity, but see...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
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