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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: 228
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RE: Grant 13kW Aerona3 - issues getting zones to temp

Thanks Toodles, hopefully I can get there. Does look like a lot of rad changes incoming however due to a complete mess up by the plumbers but will s...

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 plumbers have sent over adjusted calcs……… This puts all rooms basically bar my office, the main bathroom and downstairs toilet at watt defici...

2 years ago
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RE: Grant 13kW Aerona3 - issues getting zones to temp

thabks toodles for the balancing tip, that’s definately got me further. When it hit 20C last night was a huge joy. Drayton seem to do themselves...

2 years ago
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RE: Grant 13kW Aerona3 - issues getting zones to temp

Thanks Derek, seems consistently the TRV side. Balancing with the Drayton key seemed to push downstairs up, just dropping living room 2 rads to 5/6 ...

2 years ago
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RE: Grant 13kW Aerona3 - issues getting zones to temp

Unfortunately can't see any indication. I've for now put Bed 1 on 3/6 using the Drayton tool, Bed 2 on 3/6 also. Bed 4 one is on 4/6 and one on 3/6...

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

For balancing, finding the order in which between upstairs and downstairs heat up is somewhat difficult to pin down. So approach I've taken was: ...

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

Just wanted to say a thank you to everyone on the thread again. Funnily enough ahead of the Drayton balancing key arriving tomorrow was watching...

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

Hi Ian, turned out just a production number, got it confirmed with Drayton. Rather confusing thing to have lol. Had hoped it was a eureka moment but 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

Rabbit hole over, Drayton responded that number is just a production number. Looking under TRVs I believe the flow rate is indicated by the number fac...

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

This shows difference between the landing radiator (shows a 6) which is performant versus the living 2 small radiator (shows a 3) Unsure what the ce...

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

thabks Derek it was actually that video that pointed me in the direction of Drayton TRV balancing as a comment in there observed little control with t...

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

This is what’s shown on the worse performing rad under the TRV balancing process found in this video:

2 years ago
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Air Source Heat Pumps (ASHPs)
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