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Last seen: Jan 14, 2025
@z8lccda if you're already favouring PV for your roof space because of wanting to go electric car and batteries (a good plan - having PV optimises bot...
@cathoderay I believe you need to look at it differently : for a flow rate of 1.5m/H, the system (i.e. the pump plus the head loss due to the HP itsel...
@mphb thanks - do you have a link to the latest manual? also if the later pump is higher efficiency but still fixed speed its still the same conversat...
@cathoderay there's some good stuff in here as far as I can tell from reading that, its a fixed speed pump for the primary side, locate inside the o...
@cathoderay @derek-m so, I've changed horses with regard to the COP and performance aspects. Using homeassistant I'm now pushing everything that I g...
I think we probably do: Energy goes -ve several times. This was calculated using 30second DT x 30 second flow rate. There are times when the compr...
@cathoderay can we please just agree to disagree over HA? I was purely responding to @bontwoody query regarding future use of modbus and previous use...
@bontwoody I put in the samsung modbus on day 1. my objective is to be able to take control of LWT, once I've got the system where I want it - the mo...
@bontwoody - replying to your question on the article - its easier to reply in the forum. 28mm plastic pipe inserts have a bore of about 21mm - so...
@marzipan71 yep, also allows you to run the cylinder at a much higher temperature if you want without risk of scalding. for example if you have spare ...
@marzipan71 you want something like this (I have exactly this one on my cylinder output). typically when called a "tempering valve". these are de...
@davesoa they do all work nicely together. example: today, my powerwall charged to 100% from grid by 0530 (intelligent octopus end time). the heat p...
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Latest Posts
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@lizzie that is useful info, thanks. I’m currently con...
By AndrewJ , 5 hours ago
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RE: The good, the bad and the not that great – my heat pump installation
@burtis, I’ve followed this thread pretty much from the...
By Mars , 16 hours ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
First time poster here but I can share my experience as...
By SCH , 22 hours ago
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At the risk of going on: A slight side issue for a foru...
By Bart , 1 day ago
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RE: Is it the house or the equipment?
...which, I've found out, is pretty much impossible to ...
By Majordennisbloodnok , 1 day ago
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RE: Mitsubishi Ecodan FTC6 settings
The Mitsi remote thermostat should not be plugged into ...
By F1p , 2 days ago
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RE: PV and battery long payback - sense check query
@jamespa I was just commenting on the speed, not sug...
By Batpred , 2 days ago
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Readers here please note that Derril Water and many oth...
By Transparent , 2 days ago
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RE: Advice on Vaillant Sensocomfort
Oops, I meant Sensocomfort (the UI to the controls)
By Batpred , 2 days ago
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RE: Heat Pump Training vs. Real-World Installation
Our instal was very much the opposite. White haired blo...
By Batpred , 2 days ago
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RE: Flushing system, cleaning and inhibitor
While skim reading a manual for our Vaillant HW tank, I...
By Batpred , 2 days ago
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RE: 'Chinese Diesel Heater' to heat the home .....
Old thread but I'm new to the forum so new to me. How...
By BlizzardGreen , 3 days ago
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