String PV Grid-tied Inverter SPI-B-H Series (175K-250K)
User Manual
3Installation
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3.6 Electrical Connection
3.6.1 Safety Precautions
During electrical operation, professionals must wear protective equipment.
High voltage may exist in the inverter.
Photovoltaic strings exposed to sunlight will generate dangerous voltage.
Do not close the AC and DC circuit breakers before completing the electrical connection.
Make sure that all cables are not live before making electrical connections.
Any improper operation in the wiring process may cause equipment damage or personal injury.
Wiring operation must be completed only by professional technicians.
The cables used in the PV power generation system must be firmly connected, intact, well
insulated and of appropriate specifications.
The wiring process must follow the relevant rules of the local power grid and the relevant safety
instructions of the PV string.
All electrical installations must comply with the electrical standards of the country or local
region.
The inverter can only be integrated into the power grid after obtaining permission from the local
power department.
3.6.2 Cable requirements
The wiring terminals are located at the bottom of inverter (as shown in Table3-1), The recommended
wire requirements is as shown in Table3-1.
Summary of Contents for SPI-B-H Series SPI175K-B-H
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