chlorox - Watch the video. The water is going directly to the drip tray from the expansion valve. It’s pretty obvious - the water goes from the outlet “nipple” at the front of the machine.
As for the OPV mod… The Lelit MaraX had the same design initially. a subsequent review changed that, but the there were a lot of people complaining about it. You can google it up. There’s also a lot of talk about this in this forum - but best of luck searching for it.