When the device has been manually controlled for setting all the flow and pressure, it shall be closed and then it can be automatically restarted.
1. Turn off all switches, turn the manual switch into automatic switch.
2. Start SFP device. (Automatically select and start when starting RO)
3. Adjust the pressure protection switch for the water produced, when the pressure of the water produced is higher than the set value, the concentrated water discharge valve shall open automatically.