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Crimson
@crimson
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Joined: Jan 16, 2024
Last seen: Jan 28, 2026
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Topics: 4 / Replies: 300
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RE: Grant 13kW Aerona3 - issues getting zones to temp

@iancalderbank Thanks, I’ll ask about checking the y strainer. Chap here the other day said they had that in system as plastic pipes in the system ...

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

@editor thanks for your reply. Probably doing disservice to plumbers, essentially they’ve been contracted by builder to do the design and install of...

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

Hi all, first thanks so much for everyone coming in to help! Trying to catchup with everything here. @derek-m Some photos of temps around b...

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

Thanks both, I’ll ask about a flush of the system tomorrow. note this isn’t really a retrofit as essentially fully new plumbing as part of the proje...

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

Is it this? in case of use context wise when I took photo ASHP was off as a log burner was run a lot today and all zones hit temp

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

Realised I had a photo to hand of the outdoor pipe insulation

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

Thanks Ian, I’ll take pictures in morning in daylight. Looks it be goes in a duct under utility then outside with some pipe insulation over the pipes ...

3 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 I’ll get some pipe insulation. just rechecked - 00 - 38, probe 35. 09 - 45, probe 39.3. if plumber comes tomorrow and replaces LLH I’ll...

3 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 thanks for this. could you explain the figures in the calculation here: (9/60) x 4.2 x (45-38) are those from the panel results? (...

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

here are th me results of the codes, and another photo of the probes by LLH for context (it’s heating at this point not hot water cycle) 00 - 38c ...

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

I can ask them to check this Friday/Monday - or is that something I could look at?

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

Thanks @allyfish, will get back here tonight with results from the codes. Plumber did try I believe 3 speeds on the pump. To no avail, I couldn’t see ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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