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Ecodan HW temp setting set itself to 40C

 
Air Source Heat Pumps (ASHPs)
Last Post by downfield 12 months ago
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downfield
 downfield
(@downfield)
Estimable Member Member
Joined: 2 years ago
Posts: 154
Topic starter 10/11/2025 10:27 am   [#2583]

This morning I noticed that the HW was lukewarm and MELcloud told me it was 37C.  I tried to boost the temp with both the Mixergy app and MELcloud but nothing much changed.

Checked the HW set temp on the Ecodan wall display and it was set to 40C rather than 52C !

Very strange - it was fine yesterday.  Has anyone else with an Ecodan seen similar odd behaviour recently?


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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