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

11 months ago
Forum
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

11 months ago
Forum
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...

11 months ago
Forum
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 ...

11 months ago
Forum
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...

11 months ago
Forum
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

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

@toodles - it seems I failed to reply to this when thought I had. Thanks for all this info. So far I now have living rooms within 0.4C of each other t...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Grant ASHP - flow temp on display often nonsensical
11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 3
Views: 838
Reply
RE: Grant 13kW Aerona3 - issues getting zones to temp

@toodles - I recall you spent a considerable amount of time balancing your property.Wondered if you had any tips?I've managed to now get the house hea...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: In general - are shorter hotter cycles more costly or longer cooler cycles?

Thanks James. I'll keep experimenting. I suspect a spreadsheet that supplements the WC reckoner someone made (apologies every time forget who it was...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
In general - are shorter hotter cycles more costly or longer cooler cycles?
12 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 3
Views: 935
Reply
RE: Grant 13kW Aerona3 - issues getting zones to temp

Plumber attended today and "balanced" upstairs radiators, didn't check any temperatures or anything, just a case of closing down those closest to ASHP...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
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