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HCas
@hcas
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Joined: Apr 8, 2024
Last seen: Jul 3, 2025
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Topics: 2 / Replies: 99
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RE: Problems with Daikin 18 kW High Temp ASHP

@bramshot Interesting! Do you know what COP you get?I'd imagine you prioritise control over minimal cost then?

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Problems with Daikin 18 kW High Temp ASHP

@bramshot Interesting work-around you created with Hive, smart!! It still remains an on/off control, but you've essentially reduced the number of on/o...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Controller experiment - looking for volunteer

@editor Morning Mars! Indeed, somewhat similar to Homely. With regards to connecting to the heat pump, the goal is to make it very simple. This me...

1 year ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Topic
Controller experiment - looking for volunteer(s)
1 year ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Replies: 4
Views: 1280
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RE: Creative trials on Night-time Setbacks to @ faster recovery, improved comfort and even greater energy reductions.

@sunandair Yes good point on the temperature during the night and impact on the heat pump efficiency! I've seen similar effects in some simulations I'...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Heat pump Comparison

Very interesting question! Unfortunately, there is no clear answer that is true for all situations. It depends on thermal mass, insulation, comfort ne...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Creative trials on Night-time Setbacks to @ faster recovery, improved comfort and even greater energy reductions.

Thanks SUNandAIR! 3 kWh on 10 or 15 kWh is substantial, and more than I expected to be honest. So I guess for you the setbacks are now the default? ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Numerous issues – 11kW Daikin Altherma 3

@crasher If you're happy with the controls provided through MMI and associated running cost, and you don't want remote control or additional "smartnes...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Numerous issues – 11kW Daikin Altherma 3

@crasher Thanks for this detailed explanation! Are you using the Onecta app or controlling everything through the MMI and the thermostats?

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Daikin COP / energy used measurement from MMI

@squarepeg77 Hi! Is it your ESPAltherma that is connected to Home Assistant? Or are you using the Onecta API for the Home Assistant? And the ESPAlther...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Numerous issues – 11kW Daikin Altherma 3

@julianc Hi JulianC, I'll DM you and we can perhaps set up a brief call like you suggested!

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Daikin COP / energy used measurement from MMI

Were you able to solve the lack of electricity usage data? Did anyone try to access the Onecta API directly? So not through the app or via the MMI, ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
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