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Last seen: Sep 4, 2025
assuming everything is vaillant, (you have used obscure nomenclature) the the rads should be compensated not fixed. I suspect you are in instal...
@luke pumps use less than 100w, many as low as 5w..they all are speed variable, so look on the pumps. in the first best world you wouldn’...
@hughf the truth is we need a whole new trade called to support the technology.. Why Liz Truss and Kwartang don’t jump on that I have no idea!
@hughf all this exists on viessmann controllers and vaillant, have a look at the installation manuals. Peak load pricing is not unique to the U.K., it...
@derek-m vaillant controls already are self adapting…probably mitsubishi and viessmann… Just because they aren’t in the U.K. doesn’t mean they d...
it’s all designed to be done on the internet remotely..bound up with a service fee for maintenance and supervision.. extending service life to 20-25 y...
@squonk that is indeed the case, but the business model pursued in the U.K. doesn’t encourage that.. There are huge interests in keep installers...
Compensation controls are as sophisticated as they can be as they load match, and cannot be improved, other than the interface. Whats lacking is...
Just keep teasing the curve up... you can also just raise the target room temperature, that lifts the curve. With "none" selected in room control it ...
@squonk going up is as good as going down. make sure you have room control set to on, or extended...other wise it will just work around the outdoor te...
@hughf Is Homely relay switching..or does it speak multiple bus languages?
Set all on off controls to maximum, and raise the heating curve to something more appropriate say 1.4, they come out if the factory at about 0.6 if ...
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Latest Posts
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RE: Siting of the external sensor on a heatpump
I agree. However I would also (primarily) expect that ...
By JamesPa , 7 hours ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
You should (almost) always reject having a buffer, by w...
By JamesPa , 10 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 , 14 hours ago
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RE: Is it the house or the equipment?
@majordennisbloodnok I do sympathise. On the original...
By springswood , 16 hours ago
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No, but the heat pump must be capable of delivering a S...
By JamesPa , 20 hours ago
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Sorry to hear about the problems, its going to be somet...
By JamesPa , 21 hours 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 , 1 day 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 , 1 day 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 , 2 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 , 3 days ago
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@batpred thanks for getting a copy. Appreciate the supp...
By Mars , 3 days ago
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RE: Tell us about your Solar (PV) setup
We have a 6.56kW solar PV system (16x 410W panels) inst...
By Rob of York , 3 days ago



