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Crimson
@crimson
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Joined: Jan 16, 2024
Last seen: Oct 23, 2025
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Topics: 4 / Replies: 229
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RE: Grant 13kW Aerona3 - issues getting zones to temp

On this, a few pages back (apologies I'm doing this when I can around work and losing track now we're in the 7 page mark) - someone mentioned check th...

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

Here’s a photo showing where that flow rate is. Have to bear with me as I’m a complete layman to all this. I can’t see any valves in a partially clo...

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

@iancalderbank - unfortunately there's only a flow rate shown on the bottom right pipe from LLH which is showing the low rate (it's after the Mag one ...

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 that's very useful, me commenting on touch heat hasn't helped, but it's clear heat not passing to top left properly. I'll have a look when a hot...

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

@derek-m Hi Derek - it definitely opens, have tried putting into manual and still zone doesn't hit temp. @iancalderbank - I've set up those temp pro...

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

Still awaiting word from Plumber and what Grant is saying. Spoke with builder earlier, he's frustrated as Grant did calcs and actually downsized the ...

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'll mention that to plumber as well. Also the TRVs, if set to max all the time, what's the point in them? (End of the day they're cheap but cost mon...

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, that's my current goal is to keep those going in sync really. As it was clear when only downstairs was on, finally getting heat through the LLH...

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 , I'll order those today. Was on a bit of a rant other day, I'd just had enough this weekend. Plumber is apparently in conta...

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’ve now upped are upstairs zone during day to stop that just switching off. As that thermostat is on the landing above a staircase that’s in a large ...

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

Further observations. 6:30pm zones last night hit their required temp other than downstairs (log fire running with living room doors open, likely he...

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

Not sure I’m trying to here, I’ve contracted a builder and a plumber to design a system as part of a full renovation extension project. They’ve had fu...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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