Logic, Logic+
MODE knob on the right. The radiator MIN–MAX knob is heating.
Logic 2
Heating knob on the far right and no MODE knob.
Logic Max
Three knobs, a small screen and a pressure gauge.
Vogue / Vogue Max
Colour screen on the left, two knobs on the right, four round buttons under the screen.
kW size does not change how you set the flow.
When the flow is set, go back to the Boiler Optimiser to log what it was and what you set.