Daikin Altherma sub-optimal performance

[ColinS (Colin Smith)]

Thank you OpenEnergyMonitor: Octopus Daikin ASHP monitoring

Coming back to the earlier question on DHW and immersion heater usage. The instructions are all over the place in the Installer Ref guide. pp178 -183 and pp195-196 mainly. I can see why installers just have a standard set up given this complexity…but on the other hand the Daikins are very flexible. I’ve tried all the settings under 4-03 which defines how the immersion is allowed to operate, the results were very odd and not as described on page 196. I settled for 4-03 = 0 (restricted to disinfe…