10
Final Assembly
After connecting all wirings, please put the bottom cover back by fixing two screws as shown below.
Communication Connection
Please use supplied communication cable to connect to inverter and PC. Insert bundled CD into a computer and
follow the on-screen instructions to install the monitoring software. For the detailed software operations,
please check user manual of software inside the CD.
Dry Contact Signal
There is one dry contact (3A/120VAC) available on the rear panel. It could be used to deliver signal to external
device when battery voltage reaches warning level.
Unit
Status
Condition
Dry contact port:
NC & C
NO & C
Power Off
Unit is off and no output is powered.
Close
Open
Power On
Output is powered from Utility.
Close
Open
Output
is
powered
from Battery
or Solar.
Program
01 set as
Utility
Battery voltage < Low DC warning
voltage
Open
Close
Battery voltage > Setting value in
Program 13 or battery charging
reaches floating stage
Close
Open
Program
01 is set
as SBU or
Solar first
Battery voltage < Setting value in
Program 12
Open
Close
Battery voltage > Setting value in
Program 13 or the battery
charging reaches the floating
stage
Close
Open
