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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: 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...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Grant ASHP - flow temp on display often nonsensical
9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 3
Views: 642
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...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
In general - are shorter hotter cycles more costly or longer cooler cycles?
9 months ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 3
Views: 744
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...

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

Update on this. It irked me that the plant room pump had to be on 1/3 not 2/3 so reached out to plumber and asked if the Grant ASHP speed had changed...

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

It seems opening them back up does reduce the temperature. Which makes me wonder if the rate at which the water passing through is too fast? Certain...

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

Out of interest, does anyone have an idea why in the hottest performing room, turning the rads down (basically closing down the lock shield equivalent...

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

So now I’ve come to the conclusion the rads are now correctly sized (did hope so as according to calcs they’d be very much oversized, just purely phys...

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

Going to be a struggle, already complaints upstairs is too hot at 19-20C. Ive now had to turn all the hidden Drayton balancing down to 2/6. And have t...

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

Thanks James, it’s a 13Kw. It’s definitely cycling. Only difference this time is hits 20c rather than 18.5c after radiator upsizing was done recentl...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
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