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RE: Octopus Cosy Heat Pump Owners & Discussion Thread  

By wreckguru, 2 weeks ago

  @andrewj my house is pretty balance for supply and I have lazily adjusted just 2 TRV in 2 bedrooms from 5 to 3.5 and that's it.   I am running 21c all day everyday and 19c overnight.   I am ...
RE: Octopus Cosy Heat Pump Owners & Discussion Thread  

By AndrewJ, 2 weeks ago

  @toodles Thanks - it would seem that apart from the cycling mine does (it can't ever stay continuous) then power consumption is similar.
Toodles RE: Octopus Cosy Heat Pump Owners & Discussion Thread  

By Toodles, 2 weeks ago

  @andrewj In this chart, I have selected just the power demand and this in turn also indicates Attachment : IMG_1376.jpeg when the pump turns on and off. Regards, Toodles.
Toodles RE: Octopus Cosy Heat Pump Owners & Discussion Thread  

By Toodles, 2 weeks ago

  @andrewj Here is a chart of ‘Today so far’, I have added the ‘Heating on/off’ data from which you can see that at the overnight temperatures, the pump stayed on ticking over; the system returned to cy...
Transparent RE: DHW Efficiency  

By Transparent, 2 weeks ago

  Do you need the DHW tank as high as 50°C @egp01 ? Have you tried running it at 45°C for a few days to see what effect it has on the COP?
Toodles RE: Octopus Cosy Heat Pump Owners & Discussion Thread  

By Toodles, 2 weeks ago

  @andrewj The power consumption varies between the peaks at switch-on of ~1.7 kW and ‘tickover’ at about ~300 - 400 Watts. I note that today with lower temperatures, the pump is running most of the tim...
Toodles RE: The Hidden Secret to a Successful Heat Pump: Pipe Size Matters  

By Toodles, 2 weeks ago

  @old_scientist Just to say that during our retrofit, we had 7 out of 10 radiators replaced and the system was (if I remember correctly), given a full flush before the old radiators were removed and a ...
RE: Octopus Cosy Heat Pump Owners & Discussion Thread  

By AndrewJ, 2 weeks ago

  Interesting, thanks. It looks like yours is operating on/off as well (currently) - I don't see the total power input or a kWh scale. The Cosy yesterday, showing input/output and OAT: Attachment :...
RE: DHW Efficiency  

By EGP01, 2 weeks ago

  I have Samsung Gen 7 8kw with Adia. We have a new cylinder so no heat exchanger. Currently averaging 2.75 for DHW for 250 L tank set to 50 degrees. I occasionally run a legionella cycle but only when ...
Toodles RE: Daikin Altherma 3M ASHP and British Gas Hive Home  

By Toodles, 2 weeks ago

  We have a Daikin EDLA08 8kW monobloc (DHW is handled separately by a Sunamp Thermino ePC210 unit connected to our MyEnergi Eddi for grid / solar powering). We had the unit connected with the Daikin MM...
Toodles RE: Octopus Cosy Heat Pump Owners & Discussion Thread  

By Toodles, 2 weeks ago

  @andrewj In case the comparison is worth anything, here is a chart showing the Homely controlled 8 kW Daikin EDLA08 monobloc for the day of 23rd. October. The values are for IAT (set to 22.5 degrees C...
RE: Samsung Gen 7 R290 Heat Pump: Hot Water Use Seems Very Low - Is That Normal?  

By WallE, 2 weeks ago

  I have had a Samsung Mono 5kW R290 Gen 7 heat pump installed for my 2 bed 1930s terrace - I'm actually looking for a bit of advice? Over the summer in June it used 10.3Kw total and July 2.2Kw total fo...
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