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Last seen: Feb 19, 2023
@soniks FYI we have all brand new pipework and its 28mm, we have the volumiser with the heat element in it and we are getting flow rate of 32 with rad...
We have a 1920's house with a new big extension. We externally insulated and rendered the existing house with 70mm celotex along with high quality mod...
there is a single pipe in which is primary from ASHP and a single return pipe ... primary circuit is on the right as you face the LLH .... secondary i...
First picture shows a symbol not in the manual (as far as I can tell) so wondering if this is the supplementary heating in defrost cycle. The next p...
Important was that box EP001 was wired and it turns off the master valve supporting DHW prioritisation (which it wasnt at first) ... this now works an...
FYI the Grant combined volumiser / low loss header in my system has an immersion. The immersion doesnt connect to EP001 and instead connects directly ...
For the last month I have taken daily meter readings, for my 17kw grant ASHP the least usage being 25th Dec with 37kw/h, the worst being yesterday at ...
As I dont have an electric car and averge less than 30% electric between 00:30 and 6:30 I decided to switch from Economy 7 to single tariff .... now I...
thanks Derek, we do have a LLH my understanding thats to provide hydraulic seperation of primary and secondary circuits and cope with having multiple ...
The TM1 was 45 degrees ... my understanding is this is the max flow temp at -4 degrees for the weather compensation ... I reduced to 40 to try and see...
Hi @derek-m From the original spreadsheet before the reneuvation project started This was based on heating flow temp of 50 degrees due to upstai...
Hi @AllyFish, thanks for the detailed reply, ... I had no idea of the defrost details .... answers follow "17kW ASHP. Who sized it & on what...
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