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Crimson
@crimson
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Joined: Jan 16, 2024
Last seen: Dec 9, 2024
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Topics: 4 / Replies: 210
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RE: What is a considered a decent weather curve for running weather compensation?

So with a flow temp maxing at 42C, managed to get living rooms to almost 21C at points in the day. 44C started to overheat one of the rooms so some g...

7 months ago
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Air Source Heat Pumps (ASHPs)
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RE: What is a considered a decent weather curve?

Thanks Gary, I'll do that with the Drayton balancing key. I know the plumbers turned down the actual lock shield a bit as well so combined should rea...

7 months ago
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Air Source Heat Pumps (ASHPs)
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RE: What is a considered a decent weather curve?

Thanks Gary, I'll then look at killing off the setback to see if can run it lower (I say it switches off, I have the hallway panel it go down from 23C...

7 months 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 created a separate thread to discuss WC settings as feel that's a more specific topic. Still waiting on installers to come and sort that airloc...

7 months ago
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Air Source Heat Pumps (ASHPs)
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What is considered a decent weather curve for running weather compensation?
7 months ago
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Air Source Heat Pumps (ASHPs)
Replies: 5
Views: 624
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RE: Grant 13kW Aerona3 - issues getting zones to temp

Yeah, I’m just concerned that the design of the system is 40C at -3C ambient, if I keep pushing up percentage wise I’m getting quite above that and wo...

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

Thanks @toodles, Im awaiting the installers to get back to me (seemingly gone back to radio silence). I’ve altered the WC to be as follows: ...

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

Anyone got any tips on an airlocked radiator? This one seems to be having issues

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

Turning TRVs down to zero on all rads but the one that has no air nor water. After a while opening the bleeding valve on problem tad right open some w...

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

Thanks @jamespa I've upped max flow temp to 42C. It didn’t have that big an effect and temps were around 4C plus today. So I went round and rebled ...

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

So unfortunately with a cold snap of 2C down to -3C, the living rooms are around 18C. Supremely frustrating as hoped this was resolved. Am lett...

8 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Grant ASHP - flow temp on display often nonsensical

@allyfish thanks! My awful memory had it completely wrong, that makes far more sense

8 months ago
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Air Source Heat Pumps (ASHPs)
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