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Last seen: Jun 27, 2025
So, you're looking to maximise efficiency eh.... Step 1 - remove all extra pumps. Step 2 - remove all unnecessary hydraulic separation. Step 3 - ensur...
@derek-m I’ve done all I can back when the OP posted up originally. If the menu doesn’t match the manual, not sure where we can go from here.
@myanthony blimey….. I was going to say I could call round. But I’m in south Dorset - about as far away as you can get. From what I can tell fro...
Whereabouts in the UK are you?
I think auto adaption is best suited to fast response emitters, like rads or fan coils. It is essentially load compensation.
Answer: yes, probably lied to. Reality: probably doesn’t matter much unless you were borderline on capacity. my made in china unit seems spot on. No...
@toodles don’t worry too much about what gas your system uses. What matters is are you warm, can you afford to heat your house with your system? Not...
Yeah, it’s all a bit ridiculous this obsession over 1kg of propane….
Ah, if some rooms are too cold then that needs to be fixed by either increasing emitter size, or improving insulation in that room.
I always assumed it was marginally more efficient, and hence it requires considerably smaller charge volumes, but I’m no refrigeration engineer. To ...
It’s a real shame that the physics of gas compression mean that they don’t have a wider modulation ratio.
R410a here, does a grand job… although it’s quite a charge at 1.6kgs for a 9kW unit….
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Latest Posts
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RE: Next steps on my ASHP journey: Radiators and Pipework
If you are considering phasing the project, then I woul...
By GrahamF , 53 minutes ago
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RE: Siting of the external sensor on a heatpump
Of course had the heat source been a heat pump it would...
By JamesPa , 3 hours ago
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Never assume, it makes an ass of u and me! OK, tha...
By JamesPa , 3 hours ago
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RE: Recommendations in Ely (Cambs) area for Full setup checks on Nibe HP setup for House.
In fairness all heating has cost a lot to run in recent...
By JamesPa , 5 hours ago
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RE: Is it the house or the equipment?
@springswood We have two Daikin single split A2A syst...
By Rob of York , 6 hours ago
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RE: Navigating the World of Refrigerants In Heat Pumps: A Guide for Homeowners
Indeed we are invvestigating AC at present and are havi...
By Toodles , 1 day ago
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No, but the heat pump must be capable of delivering a S...
By JamesPa , 2 days ago
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RE: Daikin ESPAltherma and Home Assistant installation
It's laziness lol The PV system is very chatty, meter...
By bobflux , 2 days ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
R (The R Project for Statistical Computing, I use it wi...
By cathodeRay , 2 days ago
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RE: Vaillant Arotherm Plus 7KW need a service on it
booked it with Vaillant. will use them until i can find...
By AdamK , 2 days ago
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RE: Adventures in heat loss calculations
I have seen it stated that the declared calorific value...
By JamesPa , 3 days ago
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RE: Two heating zones to one zone
@transparent Many thanks. The garage is fairly well ...
By Profzarkov , 3 days ago
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RE: Vaillant Aurotherm - Heater Wire Position
Ah, good point. I need to check if this was installed i...
By Batpred , 4 days ago
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@batpred thanks for getting a copy. Appreciate the supp...
By Mars , 4 days ago



