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CAUTION: Do not place anything between the flat part of the inverter terminal and the
ring terminal. Otherwise, overheating may occur.
CAUTION: Do not apply anti-oxidant substance on the terminals before terminals are
connected tightly.
CAUTION: Before making the final DC connection or closing DC breaker, be sure
positive (+) must be connected to positive (+) and negative (-) must be connected to
negative (-).
3.5 AC Input/Output Connection
CAUTION: Before to connecting to AC input power source, please install a separate
AC breaker between inverter and AC input power source. This will ensure the inverter
can be securely disconnected during maintenance and fully protected from over
current of AC input. The recommended specification of AC breaker is 30A for 3KW
model, 40A for 5.2KW model.
CAUTION: There are two terminal blocks with "IN" and "OUT" markings. Do not
interchange input and output connectors.
WARNING: All wiring must be performed by qualified personnel.
WARNING: It is very important for system safety and efficient operation to use
appropriate cable for AC input connection. To reduce risk of injury, please use the
proper recommended cable size as below.
Suggested cable requirement for AC wires:
MODEL
5.2KW
DC48V
2/3KW
DC24V
Please consider the following steps to do AC input/output connection:
1. Before making AC input/output connection, be sure to open DC protector or
disconnect first.
2. Remove insulation sleeve 10mm for six conductors and shorten phase L and
neutral conductor N in 3mm.
CABLE SIZE
8 AWG
12 AWG
48
TORQUE
VALUE
1.4~1.6Nm
1.2~1.6Nm
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