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Autor
Hi
I recently installed a Shelly 1PM Gen4 switch on a relay circuit to control my hot water cylinder. I then set up a schedule to turn the hot water cylinder on from 03:00 to 05:00 every day when my power is cheap. There are, however, days when I want to keep the hot water cylinder permanently on all day, e.g. when we have guests at home and the hot water usage is high, or on days when we have free power. I initially assumed that if I just flick the input switch to the device on, the output would stay on all the time, irrespective of what schedules are set. What I'm seeing, however, is that when I flick the input switch on, the output does turn on immediately. Then at 03:00, when the schedule starts, the output continues to remain on. At 05:00, however, when the schedule expires (flip value after 7200s = 2hr), the output turns off despite the input switch remaining on. Is this expected behaviour? Can this behaviour somehow be circumvented? I'd ideally like the output to remain on as long as the input switch remains switched on. I want the schedule to control the output only when the input switch is turned off. FWIW, the input mode for the input switch is set to "Switch" and the output type for the output is set to "Toggle".
Any assistance would be much appreciated.
Thanks!