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Last seen: Apr 12, 2024
@haggistrap I have no idea what the COP is mine does not tell me anywhere. The HP is effectively on most of the time. I only use Heat on Demand for ...
@hcas I use schedules both with the wall stat and TRVs.
@haggistrap Mine is ok until ambient gets down nearer freezing, say sub 4 degrees. Be interesting to hear how yours performs with a full charge of ref...
@toodles Hive is working fine for me after the mods I did. However, I agree it would have been useless without it. Hive do not actually recommend its ...
@haggistrap Those are porky pies. It will not give those outlet temps. I will look through the data sheets I have but I am petty sure they say differe...
@haggistrap Terry, our HP do not run at 70C. 55 is about the max. It will run cooler . Mine is weather dependent and runs between 35 and 50 normally f...
@oswiu have you model before, External unit is EPRA18DAV3, supposedly a 18 kW High Temp Altherma unit. If is installed as per instructions , no stru...
@batalto Thank you, I am well aware of the physics , but you have to make enough heat to warm the house adequately. My present weather compensation is...
@batalto It will not make any difference unless it stops continuous defrosting, or at least significantly extends the interval between defrosts. I can...
@batalto I know and understand what you mean. I am trying to work out what temp I should set for the current ambient, based on what it is reaching on ...
@batalto will reduce further tomorrow, just trying to work out what the mean temperature ( with the HP cycling on and off), is at the moment that is m...
@derek-m yes weather compensated. Will try lower temperatures tomorrow.
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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 , 51 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...
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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...
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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...
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RE: Adventures in heat loss calculations
I have seen it stated that the declared calorific value...
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RE: Two heating zones to one zone
@transparent Many thanks. The garage is fairly well ...
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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...
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