6b20f99c_id_Settings___Coffeetime_Extra__Comments
[PID Settings] P=1.2 I=0.03 D=6.0 [Profile] Preheat On (Steam Boiler On - alternative conservative) [Comments] 
With steam boiler on (preheat enabled) these settings work very well. Recovery is similar to the conservative settings above. With preheat enabled it rarely overshoots, perhaps once or twice a day, and never by more than 1C. With preheat off, performance is similar to the other conservative settings: the boiler can suffer a fair drop in temperature, perhaps 3-4C, even during a single shot. Again, it makes no (noticeable) difference to the quality of the shot, and does not happen with preheat on.
Izzo Alex Duetto Pid Settings - Coffeetime Extra
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