Sungrow SG125HX, User Manual, Page: 62 / 103

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6
Commissioning
6.1 Inspection before Commissioning
Check the following items before starting the inverter:
•
All the installation sites are convenient for operation, maintenance and service.
•
All devices are firmly installed.
•
Space for ventilation is sufficient for one inverter or multiple inverters.
•
Nothing is left on the top of the inverter.
•
The inverter and accessories are correctly connected.
•
Cables are routed safely and 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 intact and legible.
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 Connect the AC switch between the inverter and the grid.
step 2 Rotate the DC switch of the inverter to "ON" position.
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
"
7.2
Installing the App
"
, and
"
7.4.2 Login Procedure
"
. If the irradiation and grid conditions
meet requirements, the inverter will normally operate.
step 5 Observe the LED indicator to ensure that the inverter operates normally. Refer to
"
2.4
LED Indicator
"
for details.
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