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Crimson
@crimson
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Joined: Jan 16, 2024
Last seen: Nov 25, 2025
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Topics: 4 / Replies: 300
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RE: Grant 13kW Aerona3 - issues getting zones to temp

Plumber clarified his changes (he never mentioned he’d upped 2102 to 53.5C) ASHP pump speed changed to 1 At manifold - each loop set to 1 litre a ...

2 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’d forgot to change the leave temp to 21c downstairs. Heatmiser showed 19.8c first thing. That’s after 2 hours of 21.5c temp call for. House was ve...

2 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, I'm hoping between the lagging and some balancing done today that won't keep happening. Removing 2 of the hot water cycles helped as well. Wi...

2 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 had it at 22c on and 21c 'off'. So technically it just never reached 21C at all - the zone always calls for heat. I'd not seen 21c in the room its...

2 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, I'll give 3-4pm a go tomorrow to compare against today on our usage.

2 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, I had actually changed 2102 from 50 to 45C for a few days and didn't notice any difference in the downstairs temp before (maybe .1-.2C temp when...

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

…and would also appear changed the ASHP settings, one I know: 2102 - is now 52.5C up from 50C So the WC would imply run at 48C at 7C outside. Qu...

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

And totally forgot to add, the 4th temp probe that sits in one of the living rooms is showing 21.2C atm. I can't recall seeing that at this time of d...

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

Plumbers returned. External lagging upgraded (removed valve handles to be screwed back on when needed so no gaps in lagging also). And plant room f...

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

Very much so. I’ve complained to architect who acts as design manager for project and certifies each months fees. Definately at point of wanting some ...

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

…so that turned out a valve was closed in plant room which was the rear bedrooms. The amount of errors is really getting to me. off the back of that...

2 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 @iancalderbank , you've guessed right, they've not since come and done a full balance.The room I work from was rather cold this morning, then r...

2 years ago
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Air Source Heat Pumps (ASHPs)
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