User Manual
1 Safety Instructions
3
During Inverter Operation
Do not disconnect inverter DC side connection while the inverter AC side is
under load!
Do not open inverter enclosure when inverter is under load or operating.
Only intact and locked inverter cabinet can ensure personal and property
safety.
Operate the inverter by strictly following the descriptions in this manual to avoid
unnecessary injury to the persons and damage to the device. Arc flash, fire or
explosion may follow if otherwise and Sungrow will hold no liability for the
damages followed.
At least the following improper operations can cause the arc flash, fire and
explosion inside the device. Remember all the time that these accidents can
only be handled by qualified personnel. Improper handling of the accidents
occurred may lead to more serious fault or accident.
Plug and unplug the DC side HV fuse when it is alive;
Touch the end of the cables that has no insulating treatment and may still
be alive;
Touch the connection copper bus bar, terminal or other spare parts inside
the device that may be alive;
The power cable connection is loose;
Spare parts like the bolts are falling inside the inverter;
Incorrect operation of the non-qualified persons that receives no training;
Before any operation to the device, a beforehand assessment of the possible
arc flash in the operation area is necessary. If there is arc flash,
The operators must receive related safety trainings;
Try the best to assess the areas that may appear the electric shock;
Before any operation in the area that may appear electric shock, wear
personal protective equipment (PPE) that meets the requirement. A PPE
category 2 is recommended.
