13
5 Electrical Connection
5.1 Safety Precautions
DANGER!
Improper wiring may result in fatal injury to operator or unrecoverable
damage to the inverter. Only qualified personnel can perform the
wiring operation. The breakers on the AC/DC sides of the inverter
must be disconnected and the warning marks must be set before
wiring.
WARNING!
The voltage and current parameters of the inverter must be
considered when designing the PV system (see 2.5).
WARNING!
Ensure that the electrical connection design is in compliance with the
local national and local standards.
CAUTION
The IP rating of this inverter is IP 65, please use the wiring terminal
provided, otherwise the IP rating of the inverter may be reduced.
CAUTION
All cables must be connected firmly and reliably, properly insulated
and avoid to be damaged easily.
CAUTION
The inverter can only be connected to the utility grid after getting the
approval from the local electric power department.
5.2 Cable Requirements
Cable
Cable size (mm
²
)
PV Array DC
＋
/DC-
Provide 6 inputs, cable diameter > 4mm
2
Power Grid L1 Phase
Provide single output, cable diameter > 6 mm
2
Power Grid L2 Phase
Provide single output, cable diameter > 6 mm
2
Power Grid L3 Phase
Provide single output, cable diameter > 6 mm
2
Power Grid N
Cable diameter > 6 mm
2
Ground Wire
Cable diameter > 6 mm
2
Connecting the product to the electrical utility grid should be approved by
the local electricity service department, and the connection and operation
must be made only by qualified personnel.
