Last seen: Oct 22, 2025
I’ll check which version the Grant is, suspect like you thats what the specialist is seeing - that there’s no requirement. Antifreeze valves the ins...
@jamespa - the Grant ASHP isn’t being replaced, the 13Kw will remain, apologies if I wasn’t clear. The heat specialist was experimenting with...
Thanks both. I’d forgot to detail that pump speeds either side of the LLH (Grant one and one in pump room). A lot of experimenting with different sp...
Thanks @jamespa, I think over the almost 3 years we’ve attempted running all zones (Ive spent many hours with settings, balancing rads, closing off ...
It’s been a while since last gave an update… After a couple visits from a heat specialist, and revisits to the calcs. It’s been concluded t...
So with a flow temp maxing at 42C, managed to get living rooms to almost 21C at points in the day. 44C started to overheat one of the rooms so some g...
Thanks Gary, I'll do that with the Drayton balancing key. I know the plumbers turned down the actual lock shield a bit as well so combined should rea...
Thanks Gary, I'll then look at killing off the setback to see if can run it lower (I say it switches off, I have the hallway panel it go down from 23C...
I've created a separate thread to discuss WC settings as feel that's a more specific topic. Still waiting on installers to come and sort that airloc...
Yeah, I’m just concerned that the design of the system is 40C at -3C ambient, if I keep pushing up percentage wise I’m getting quite above that and wo...
Thanks @toodles, Im awaiting the installers to get back to me (seemingly gone back to radio silence). I’ve altered the WC to be as follows: ...
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RE: Master & Slave Zones/Setback
Many, perhaps most, heat pumps run their water pumps oc...
By JamesPa , 2 minutes ago
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RE: My experience with 3 heat pump surveys: Heat Geek, British Gas & Octopus
Firstly I agree with @grahamf above, very sensible comm...
By JamesPa , 10 minutes ago
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RE: Grant 13kW Aerona3 - issues getting zones to temp
@jamespa the point is it allows variable secondary flow...
By AllyFish , 2 hours ago
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RE: PV Panels on roof in Conservation Area
Update: .... Council said, "Yes", to installing PV &am...
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@old_scientist Well it does seem pretty evident that it...
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Which brand of charger do you have at the moment, @batp...
By Majordennisbloodnok , 5 hours ago
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RE: Effect of Mitsu PAR WT60 Wireless Controller
@sunandair We were not present to do a tidy changeover ...
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RE: Octopus Cosy & Octopus EV + bidirectional smart tariff, together. What, eh?
Well, it sounded all too good to be true. And it was. ...
By AllyFish , 9 hours ago
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I’m frankly amazed you think anything I have posted on ...
By Majordennisbloodnok , 9 hours ago
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RE: Replacing knackered oil boiler with Samsung ASHP - Perthshire
Thanks for your full reply @mike-h. It certainly cleare...
By DowallyDrifter , 12 hours ago
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RE: Daikin Octopus installation update - I saw my first defrost. 😍😂
I don't seem to have a mixer valve. Just pressure regul...
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RE: New Fogstar 15.5kWh upright solution
😁Yes, the 90Amps capacity in total in an 8k inv...
By Batpred , 14 hours ago
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RE: Question about Heating Pump Operation mode – Ecodan FTC6 v20.06
Thanks, I have à split model so there is no water circu...
By Johj45 , 1 day ago
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RE: Say hello and introduce yourself
This discussion has gone quite deep for our Hello &...
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RE: Midea ASHP – how to set weather compensation
@pash44pump - it sounds as though you are close to havi...
By cathodeRay , 1 day ago
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Let's see if we can tempt @glyn-h to give his insights....
By Mars , 1 day ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
Let's first note what those parameters are. They are ...
By Transparent , 1 day ago
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I’ve met the Flexi-Orb team, and they come across as ge...
By Mars , 1 day ago
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Webinar on "Heat Pumps for Home Owners" Thursday 20...
By Mars , 1 day ago