Commissioning; Inspection Before Commissioning; Commissioning Procedure - Sungrow SG5KTL-MT User Manual

Commissioning

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6.1 Inspection before Commissioning

Check the following items before starting the inverter:
The inverter DC switch and external circuit breaker are disconnected.
•
The inverter should be accessible for operation, maintenance and service.
•
Nothing is left on the top of the inverter.
•
The inverter is correctly connected to the external devices, and the cables are routed
•
in a safe place or protected against mechanical damage.
The selection of the AC circuit breaker is in accordance with this manual and all
•
applicable local standards.
All unused terminals at the bottom of the inverter are properly sealed.
•
Warning signs & labels are suitably affixed and durable.
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6.2 Commissioning Procedure

If all of the items mentioned above meet the requirements, proceed as follows to start
up the inverter for the first time.
step 1 Rotate the DC switch of the inverter to "ON" position.
step 2 Connect the AC switch (if applicable) between the inverter and the grid.
step 3 Connect the DC switch (if applicable) between the inverter and the PV string.
step 4 Set initial protection parameters via the iSolarCloud App. For details, please refer to
"7.3.2 Login Steps". If the irradiation and grid conditions meet requirements, the inverter
will operate normally.
step 5 Observe the LED indicator to ensure that the inverter operates normally. (Refer to
2-2 State description of the LED indicator
- - - - E E n n d d
panel").
"table
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