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3.4 Grid connection and backup load connection
Please follow below steps to implement AC input/output connection:
Chart 3-3 Recommended Size for AC wires
· Before connecting to grid, please install a separate AC breaker between inverter and grid. Also,
it is recommended that installs an AC breaker between backup load and inverter.This will ensure
the inverter can be securely disconnected during maintenance and fully protected from over
current. The recommended of AC breaker is 40A for 5kw and 63A for 8KW.
· There are three terminal blocks with "Grid" "Load"and "GEN" markings. Please do not misconnect
input and output connectors.
All wiring must be performed by a qualified personnel.It is very important for
system safety and ecient operation to use appropriate cable for AC input
connection. To reduce risk of injury, please use the proper recommended cable
as below.
Model
8KW
Wire Size
10AWG
Cable(mm )
2
6
Torque value(max)
1.2Nm
1. Before making Grid, load and Gen port connection, be sure to turn o AC breaker or
disconnector first.
2. Remove insulation sleeve 10mm length, unscrew the bolts, insert the wires according to
polarities indicated on the terminal block and tighten the terminal screws. Make sure the
connection is complete.
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