Sorry, one of the ways to set the timers is the free SHN Utility. If you have some HA software on your Mac, it might support configuring the EZIO4O. Just clipped the following from the EZIO4O Quick Start Guide….
Programming the EZIO4O timers requires a PC/Server application or our free Windows-XP configuration and setup utility.
If you do have HA software that can detect the ON command sent to the EZIO4O, it could trigger a macro that would send an OFF to the EZIO4O after a second or two delay.