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Last seen: Sep 6, 2026
The problem is that even if a Manufacturer comes to site it can be a mixed bag on who you get. Some like Vaillant will blame the installer before t...
@toodles I know Greenwave, they are a good team. So don't diss the installer so quickly, sounds like a manufacture fault, or a setup issue.
Can you give me picture of the controller please? There has been a recent upgrade to the controller, but it won't work with the older units. You n...
And yes this was a Grant unit.
@allyfish ripped loads out and made open loop systems, heres just the left overs from one i did last year.
@grahamf happy to help, ive had 4 heat pumps here to test. Currently im running an old Samsung unit, fully open loop, 1 pump, my own automated weath...
@crimson it all depends, on how many rads/ufh are fully open (no actuators or TRVs, a volumiser won't hurt the system (i have 420l worth), that i can ...
@crimson is it this heat pump
My circulation pump cycles, when the compressor is off, heating is still active on the controller (but all is up to temp), its testing the water (lite...
Should have all you radiators and control the load with the heat pump controller, already sound like you're microzoing to try and co...
@crimson if its the Aerona 3, check that you have the latest software, GRANT should be able to help you with this, i know they had a few updates with...
@crimson have changed the pump speed on the Aerona itself, think default is speed 3, you want to try and get both pumps running the same speed(flow ra...
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Latest Posts
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RE: Is it just me, or does tradesperson timekeeping and communication drive you absolutely mad?
Yes, and I would suggest likely to get worse with more ...
By Batpred , 3 hours ago
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RE: Electricity price predictions
This topic seems more suitable for this thread... I a...
By Batpred , 3 hours ago
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RE: Why are ASHP installs so expensive?
It is clearly difficult to say, there must be cases whe...
By Batpred , 3 hours ago
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RE: Who's your electricity provider and what's your tariff?
Hi all, I'm new to this game having spent the last 25...
By gz00 , 4 hours ago
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RE: Panasonic Free Multi Z and Etherea Internal units.
@dgclimatecontrol Thank you for that information and re...
By Toodles , 8 hours ago
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RE: My Kronoterm Adapt 0312 ASHP is finally installed!
@editor It was serendipitous really. Both my wife and I...
By tomasmcguinness , 13 hours ago
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@mrkfm, I'd also suggest that whenever you're ready, st...
By Mars , 1 day ago
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RE: Are you planning to use a wood burner to supplement your central heating this winter?
I use my stove daily for backup and comfort. Definitely...
By Margarethomas , 1 day ago
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@rob-of-york Thanks. I wish I'd started on this site as...
By mrkfm , 1 day ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@downfield I just checked this morning and OE just r...
By Papahuhu , 1 day ago
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RE: Passiv Smart Thermostat - Help & Forum Support
Thanks Will. I'll probably be a week or so before get...
By Singlespeed , 2 days ago
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RE: Cooling using an air to water heat pump
From experience this summer, a single-split A2A unit on...
By Rob of York , 2 days ago
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Analysis of the economics of switching to an A2W ASHP compared to other heat sources
This post aims to analyse the economics of installing, ...
By Rob of York , 3 days ago
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RE: Cooling with air to water heat pumps
@editor does that mean you have to have two separate ex...
By mrkfm , 4 days ago


