Eaton Corporation Page 12 Ver 1.1
4.6 Control Keys and LCD Displays
Eaton grid-connected PV Inverters are equipped with three control keys
which could be used to switch between each display menus.
Figure 4.6: Control keys and LCD displays
A) Upper Arrow Control Key
Arrow control key is used to advance the display menu. Once the
button has been pressed, the display menu appears pressing again
advances the display to the next menu.
B) Enter Control Key
The enter control key is used to configure the setting such as
parameters or is used to active the lock function of display menu.
To pause the display menu, the user can hold the enter control key
for more than two seconds until LCD displays a
“Lock”
text. To
release, the user can presses the same control key for another two
seconds again in order to release menu from the “lock” mode.
C) Down Arrow Control key
The down arrow control key is used to advance the display menu in
the opposite direction than the upper arrow control key
D) Liquid Crystal Display (LCD)
A green color LCD screen is used to display the text messages of
the operating status, monitoring parameters, PV inverter failures
and inverter faults. Moreover, the LCD screen will be automatically
turn off after ten seconds if LCD is not manually operated using the
above control keys or nighttime button..
