System Manual
6 Electrical Installation
29
Improper torque used may cause fire to the connection point!
Fix the bolts by strictly following the torque requirements in this manual during
electrical connection.
Too small bending radius or excessive intertwine may damage the fiber!
When selecting fiber as the communication cable, please follow the related
requirements of the fiber manufacturer about the min. allowable bending radius.
Only professional electricians can perform the electrical connection. Professional
electricians should meet the related requirements listed in 2 Safety Instructions in
this manual. Sungrow should hold no liability for any personal injury or property
loss caused by ignorance of the safety instructions.
Ensure the electrical insulation is satisfied before laying the cables. Follow the
EMC regulation and lay the power cable and communication cable in different
layers. Provide support and protection to the cables to reduce the stress of the
cables when necessary.
Strictly follow all the instructions when connecting the cables.
The installation and design of the MV Station must fulfill national and local
standards and regulations.
Sungrow should hold no liability for the MV Station or system fault caused by
ignorance of the description in this manual.
Select optical fibers as the external communication cable to lower the signal
interference.
6.1.2
Five Safety Rules
During electrical connections and other operations on the inside device, observe the
following Five Safety Rules:
Disconnect all the external connections and disconnect the MV Station internal power
supply
Avoid any accidental re-connections.