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MELcloud scheduling misbehaviour

 
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Air Source Heat Pumps (ASHPs)
Last Post by downfield 1 hour ago
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downfield
 downfield
(@downfield)
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Posts: 106
Topic starter 12/12/2025 8:52 pm  

@davidalgarve I didn't stay on AA for long because it seemed to do a worse job of getting the house to the desired temperature.  However I have reconfigured my buffer into a volumiser recently (like you) so perhaps I should give it another try.

I don't really understand what AA is doing though.

MELpump tells me I am getting a COP of 5.1 with an OAT of 8.8C.  This drops to a COP of 3.7 with an OAT of 3C.


Mitsubishi Zubadan 14kW with Mixergy 210l DHW in 220m2 barn property. 24 solar panels = 9kWp with GivEnergy 5.0kW Hybrid inverter and 19kWh GivE batteries. Jaga Strada fan-assisted rads throughout. Landvac vacuum glazing/triple glazed windows.


   
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