I have picked up a little config gem that I think works thanks @KnightPhoenix, after just one change setting the DT to 3 - after one heat cycle with similar outside temps the COP appears smoother and higher -
I have picked up a little config gem that I think works thanks @KnightPhoenix, after just one change setting the DT to 3 - after one heat cycle with similar outside temps the COP appears smoother and higher -