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iancalderbank
@iancalderbank
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Joined: Oct 17, 2022
Last seen: Jan 14, 2025
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Topics: 0 / Replies: 643
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RE: Installing your own ASHP

@tomasmcguinness I did my own, all of it bar the electrics. If you are a competent DIY plumber , and take the time to read lots of design advice, i...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: How can I programme a setback for my Samsung Gen6 8kW heat pump?

if you are using the samsung controller as the roomstat, and by setback you mean that you want to alter the target room temperature at a specific tim...

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

This could be your smoking gun. Its a preset, lower value restricts flow more. so even with the TRV head set to max (or removed), it'll never let thro...

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

@crimson IR stuff - I have a basic IR spot gun which isn't bad for not much money and is quick and easy. But I eventually I got a Seek Thermal for my ...

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

exactly that. If you find that with the ASHP heating on, and a 400W of direct electric heat as well (whether that is one 400w heater on all the time, ...

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

@crimson I was thinking something like this,at lowest power 750w, or thisat lowest power 400W. Both are dirt cheap, lightweight and small, and afterwa...

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

@crimson your summary is pretty much spot on. something just occurred to me - if you ran a cheapo electric convector heater in your underheated room...

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

@crimson another sanity check, are you sure that UP/DOWN/UFH are correctly identified on those 3 valves? I do take your point that you think upstair...

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

@crimson gnaaah, just noticed you've got a bypass as well. In the high head loss situation you are trying to balance against, the bypass will probably...

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

@crimson so the downstairs is a honeywell V4043H1056 which has a KVS of 6.9 . the other two are EPH controls V222P with a KVS of 4.6. KVS is the expec...

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

@crimson remind your builder this is 22mm plastic, which is almost equivalent to 15mm copper in bore size. if you ask him "would you have done it in 1...

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

@crimson just a sanity check. have you swapped your probes around to check that the temp differences seen are not due to calibration variation.

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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