Indicate output voltage, output frequency, load
percentage, load VA value, load watt value.
The icon indicates unit is on LCD setting mode.
The icon indicates unit is on alarm mode or fault
mode.
When unit is on LCD setting mode, it indicates
program code.
When unit is on fault mode, it indicates the fault
code which can be referred to specific fault event
(please refer to Section “Troubleshooting”).
(2) Setting Menus
After pressing and holding button for more 2 seconds to enter setting mode,
press button for 1 second to select setting programs, then press button
to select program option, then press
button to confirm the selection or
button to exit.
Program
Description
Selectable option & behavior
LCD setting display
01
AC input
voltage range
Wide
(default): If selected, acceptable A
C input voltage range will be within
90-280VAC
Narrow
: If selected, acceptable AC input
voltage range will be within 170-280VAC
Generator
: If selected, acceptable AC
input voltage range will be within
90-280VAC
02
Output
source
priority: To
configure
load power
source
priority
Solar first
(default): Solar energy provide
power to the loads as first priority.
If solar energy is not sufficient to power
all connected loads, battery energy will
supply power the load at the same time.
Utility provides power to the loads only
when any below condition happens:
-Solar energy is not available
-Battery voltage drop to either low-level
warning voltage or the setting point in
program 5.