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Last seen: Sep 19, 2024
The optimisers are DC to DC converters, though I am not certain if it is the voltage from each panel that they are trying to balance or the current. D...
Rather than moving your shaded panel you could consider installing reflectors if it is feasible. Wooden panels painted with white gloss paint or cover...
If you live in a 'hard' water area, I believe heating the hot water cylinder much above 60C can cause limescale to be deposited on the internals of th...
If your electricity supply meter is recording energy usage, then it must be being used somewhere, since energy cannot be created or destroyed, it can ...
The most probable reason is that the immersion heater is positioned higher in the hot water cylinder than the heating coil for the heat pump, therefor...
Have you seen the following document?
We don't have an A2W heat pump we have an A2A one that cannot heat the DHW. At the moment our DHW is provided exclusively by our solar PV system via a...
It may be much safer to send your wife. 😋
An easy way to check the position and number of each panel would be to cover each of the 8 panels in turn, and note the drop off in output. This shoul...
I believe that the air temperature sensor is normally located at the rear of the outdoor unit, before the evaporator, so that it gets minimal effect f...
This is one of the things that appears to be happening more frequently. Software or firmware updates are performed, which may cure one problem but the...
Although we don't have the same type of IHD, our's has the ability to be set for single fuel or dual fuel display, so it may be just a matter of chang...
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Degrees of Separation
Latest Posts
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RE: Glass lined Cylinder for private water supply
This has turned into a fascinating little rabbit hole. ...
By Mars , 45 minutes ago
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RE: Adventures in heat loss calculations
yes and no. apparently HG’s AI was automatically assumi...
By Batpred , 56 minutes ago
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RE: Switch suitable to change between two inverter CT's
Last winter my battery ,32KWh, could run the house com...
By Jancold , 1 hour ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
@rob-of-york Thank you for that, whilst familiar with t...
By kilgorexv , 2 hours ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Agree with Major. And even if I was very happy with ...
By Batpred , 2 hours ago
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RE: Is the "divide by 2900" rule still valid?
There is another estimator that you could use, a formul...
By Rob of York , 5 hours ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
@penval, really useful update. After all the discussion...
By Mars , 2 days ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 3 days ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 4 days ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 4 days ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 4 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 4 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 4 days ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 5 days ago
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