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Other Notes
Ÿ A DC circuit breaker must be installed as protection switch for solar DC input.
Ÿ The inverter only has one pair of DC input terminals. If the solar modules are
multi-paralleled, an additional solar combiner box is necessary.
Ÿ The inverter must be grounded reliably and the grounding cable should be as
thick and short as possible. If possible, the inverter should be grounded
separately.
Ÿ In areas with high incidence of lightning, please install an external surge
suppressor at the power input of the inverter.
Ÿ If the inverter is far from the motor (＞200 m), it is recommended to install an
output reactor.
Ÿ It is recommended to install input and output reactors, dedicated filters and
magnetic rings at the input and output of the inverter, which can effectively
reduce the noise and avoid disturbing other components.
4. OPERATION AND CONTROL
4.1 Panel Layout and Instruction
The inverter operation panel is composed of four parts as shown in the figure below:
state indicator lights, unit indicator lights, 5-digit LED display and operation keys
Fig 4: Operation Panel Layout
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