NSS

Inconclusive. It was definitely the heat pump coming on, even though neither heat nor tank were programmed to run at the times it was happening (random Monday mornings), and none of the room stats were calling for heat. It's only happened once more since I reported the problem, and not since I put all the room stats into frost protection mode, so I may have to wait until next winter to see if it's still an issue.

Last time I spoke to my SageGlass contacts, they confirmed that they no longer supply for residential projects in the UK. That was a year or so ago, so I guess it may have changed again since then.

Positive. Apparently, only men come early 🙄

Must have missed that debate. That said, for much of the year the solar lifts the tank temp to the desired levels. Outside of that, the sterilisation cycle of our heat pump is fortnightly rather than weekly, and runs during the cheap Intelligent Octopus rate at night, so cost is minimal.

Why wouldn't I?

No Sh#t

30, 60 or 90 minutes depending on how many times you push it, but no reason for anyone to go in the cupboard other than to access the diverter or the heat pump controller. Talking of clutching at straws, I'm beginning to think Bob Geldof may be the culprit! And he can see no reasons 'Cause there are no reasons What reason do you need to be shown? Tell me why? I don't like Mondays...

The cleaner does indeed come on Mondays, but not until after the phantom load starts. Are you spying on me? 😉

Hi Simon, no, not an Eddi, a first generation Power Diverter. It's pretty basic, with no ability to program other than a boost button that can be pressed to run the immersion for a fixed period.

We're not passive, but pretty well insulated and achieved 1.6 on the air test. We have had our MVHR running 24/7/365 for over 6 years now (except when changing filters). We have one program for winter, and one for summer, and we occasionally put the boost on (to clear cooking smells a little faster). We never open windows. Doors are for going through and closed immediately. Excellent air quality was the primary goal, and that's exactly what we have. What's more, not only have we never had a musty smell, never mind any mould, but the house stays virtually dust (and allergen) free. Best of all, and despite a degenerative lung condition, my wife is still enjoying better health than she did prior to living here. We wouldn't, and she probably couldn't, live in a home without MVHR ever again.

Normally, no, which I guess is partly why we've not noticed it before today. Think I have little option but to do as you suggest, Dave. I'm glad I'm not the only one who's a little baffled though 🤣

Possibly 👍🏻

Trouble is, I won't know for sure, Mike, as it doesn't seem to happen every Monday 🤔. Meanwhile, I could be sacrificing a fair bit of solar.

I've just checked the programming of all the roomstats and they are all programmed correctly too (and in any case use a single program all weekdays so would not explain why this only appears to happen on Monday mornings.

Hi Dave, the only separate switch turns off the diverter.

The immersion is the backup heater, and switched via the ASHP controller. The only time the immersion contributes heat to the tank is when the diverter sends excess solar to it.

Hi Buildhubbers, long time no speak, but hope you're all well. As per the title, I have a bit of a mystery. This morning, I happened to notice that we were consuming around 3kW at a time when I didn't expect us to be. Couldn't check immediately as I had to pop out, and the load had stopped by the time I returned. I'll admit, I don't check that frequently these days as the house has been in a settled pattern and overall usage has been in line with expectations. However, on checking bills, we have been pulling such a load on random Monday mid/late mornings, for at least the last few months. Not every Monday, not even every other Monday, but completely randomly, and seemingly for 90 minutes each time. My first thought was to check if I'd made a cockup on the programming of the ASHP, but I haven't (it goes off at 5.30am daily and doesn't co e back on until 11.30pm). My second thought was to check that I hadn't inadvertently changed the time if the sterilisation cycle (for Legionnaires), or that I had somehow triggered the backup heater mode - I haven't. So now I'm baffled. I can only see it being that the ASHP is coming on, but there's no obvious reason why. Any suggestions of where or what to check next would be greatly appreciated, please.

Surely this no different from what any retailer does to cover the costs incurred when shoplifters steal stuff rather than pay for it, ie the 'loss' is borne by those who do pay.

Yes, just reprogrammed our ASHP to make best use of the longer (than Go) cheap rate period.

First charge successfully completed last night. Interestingly, it chose to charge in three separate 30 minute blocks, with 3o minutes between each block. Seems it will only charge by the percentage you request, ie last night I requested it add 25% (as was already 70% charged) and stopped it stopped at 95%.

Okay, I hadn't read the email properly. As you, it was an invitation to join the Beta test, and I've just connected 👍🏻

Apparently now live. Will be giving it a go in the next day or two and will report back once up and running.

Not heard anything as yet.

For anyone else who's interested, I have it on very good authority that Zappi integration with Intelligent Octopus is expected to roll out in early September.

Thanks Jack. Not as yet, but had another conversation with Octopus, with someone apparently more knowledgeable than previous. Seems that it won't be possible to charge from excess solar as the Octopus app won't allow the Zappi to control anything once on the Intelligent tariff. Edited to add - only charger they claim compatibility with at present is Ohme. Hopefully others will follow.