Updating The Firmware Via Usb - Zeversolar Evershine TL3680 Installationshandbuch

6.2 Updating the Firmware via USB

The MCU firmware can only be updated via USB(MCU). This procedure may only be
carried out by service employees.
Service staff can modify the values of the monitored operational limits through the
PC program "Easy Config" via USB. Please inform the grid operator first if you need
to do this. The modifiable parameters include "Safety standard", "ISO", "Fac-Min",
"Fac-Max", "Vac-Min","Vac-Max" etc. "Safety standard" can be set to "VDE-AR-N
4105", "AS4777", "RD1663", "EN 50438", "G59/3", "G83/2", "C10/11" etc.
If you have to update the firmware, use a screwdriver (blade width: 9 mm) to
unscrew the M20 screw plugs located at the bottom of the enclosure.
36 Installation and Operating Instructions