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Last seen: Sep 13, 2026
@indevolt-tech When you say 'dedicated switched fused spur' is that a dedicated spur of a ring main (ie on the load side of the CU) as suggested by y...
Agreed. Manufacturers minimum is just enough in theory to avoid a defrost death loop. I cant understand the thermodynamics of that unle...
Iog is definitely a bit beta IMHO. I get no control at all over how much charge it puts in (there is a contolf feature but it does not work) which me...
Oh dear. Glad it was replaced. I have been mighty impressed up until now this is shaking me a bit.
Dont, just adjust the LSVs to get different temperatures. Doing something bad to fix something bad is not good engineering! Having a small percentag...
Im now getting the exact same fault list after 2 years of trouble free operation. I am faintly suspecting overheating (the heat pump is on a south fa...
For me it is a case of keep it simple and follow the 'general' advice. On 24x7, weather compensation adjusted to min possible consistent with heating...
Thats all interesting. DHW on my Vailant seems to respect quiet mode, in fact some on openenergy monitor describe it as a 4th possible setting for DHW...
@blizzardgreen The question is what do uk regulations require not what is the product capable of. Sofaik generators must be wired on the supply s...
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Degrees of Separation
Latest Posts
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RE: Siting of the external sensor on a heatpump
My heat pump receives sunlight, so when the fan is not ...
By bobflux , 29 minutes 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 , 16 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 , 20 hours ago
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RE: Is it the house or the equipment?
@majordennisbloodnok I do sympathise. On the original...
By springswood , 22 hours ago
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No, but the heat pump must be capable of delivering a S...
By JamesPa , 1 day ago
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Sorry to hear about the problems, its going to be somet...
By JamesPa , 1 day 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 , 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 , 4 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 , 4 days ago
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