Does the Smart roller shutter motor premium always have to be supplied with 230 volts continuous phase?

Yes, the grey wire of the Smart roller shutter motor premium must always be connected to 230 volts. This makes it possible to control the shutter motor with a shutter switch and to operate the shutter motor by radio at any time.
Even if the Smart roller shutter motor premium is only controlled with blind switches, the grey wire must be connected to the permanent phase.