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Crimson
@crimson
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Joined: Jan 16, 2024
Last seen: Jan 28, 2026
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Topics: 4 / Replies: 300
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RE: Grant 13kW Aerona3 - issues getting zones to temp

Thanks @heacol, I can only keep pursuing the builders/plumbers on this project, I see you're based in Cumbria, don't suppose you'd ever venture out to...

3 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

Thanks Derek, I'll mention this to plumbers if they come Thursday, I can only see one flow rate indicator in the plant room on the return (28l/s - hea...

3 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

Thanks Derek will give that a go today. I played with the TRVs a bit last night and temps seem to have changed, but going to confirm with more p...

3 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

Stem didn’t feel like I could push it down manually. Will try again

3 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

Somehow didn’t occur to me in all this. The utility room being UFR with its own heatmiser panel. Upping the temp on that panel invoked the UFR zone (v...

3 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

hi @derek-m , so completely confess very new to all this still. Removed the TRV head. In terms of the stem, how should that move? Up and down? for a...

3 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

Thanks Mike, the clunking seems often (sorry describing a sound that I have no reference too is hard to pick a term, metallic knocking/banging/clunkin...

3 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

I thought going forward I would indicate on a segment of the floor plan the downstairs zone, what it comprises of, where rads are, what rads they are ...

3 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

Thanks @heacol Next step is now the builder is getting the plumbers and architect and myself to meet on site to discuss all this. This is the orig...

3 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

Thanks @heacol Just asked the specialist on thoughts of removing the LLH as a first step to see affect. His response was that "they're recommended by...

3 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

Yeah, far as the heat specialist's recommendation goes it's get larger emitters to reduce flow temp and increase efficiency. The ASHP cycling is pre...

3 years ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant 13kW Aerona3 - issues getting zones to temp

3 years ago
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Air Source Heat Pumps (ASHPs)
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