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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

Apologies for string of posts but putting down findings soon as I have them. as was messaging plumber changed second pump speed up one. That then se...

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

Plumber is going to contact Grant it seems. Just very odd only top left pipe to LLH is hot. All other pipes cool to touch. Can’t workout where 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

No chance of heating. Top left pipe not getting heat whatsoever. Which explains why rads never warm. It’s been nearly 3 hours so I’d expect some rise ...

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 not quite sure what’s going on with the flow. Interestingly now I’ve been given more of a tour the flow rate is on the bottom right from the bott...

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 no call from Grant yesterday. So I rang up this AM and was told if engineer visits Monday and it’s not manufacturer fault it’s £150 plus £60 an hou...

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

Plumber's been. Changed fuse for hot water panel, nothing going to it, so that's now on the electrician to come. I asked about the valves closed -...

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

Oh and the lower 4 port mystery black valve. That’s connected to a water softener

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

On this obviously not accurate but top right much hotter than top left to touch. At one point top right was very cold to touch v top left. Currently b...

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

Looks like I have same brand LLH as this 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

Thanks both, picture attached (apologies if I'm not addressing all queries, perodically looking at this whilst working so not my full attention today....

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

@allyfish Afraid don't have more details, will ask plumber about the black 4 port valve. That flow rate, seems to be same atm and it's definitely ru...

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

It's a good point about pipe insulation, will raise that (it is lovely and warm in there lol). Outside is insulated after randomly a decorator on sit...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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