Sungrow SG1K5TL, User Manual

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SG1K5TL
User Manual
40
6.1
Verify before Commissioning
Num Item Remark
1 Verify whether inverter is fastened onto the wall. See “4 Installing Inverter onto Wall”.
2 Check whether all cables are undamaged,
properly insulated and adequately dimensioned.
See” 5.4 Specifications of Cables”.
3 Check whether all cables are firmly attached and
correctly.
See “5.5 Connecting Inverter to PV
Arrays” to “5.8 Connecting
Communication Cable”
6.2
Commissioning Procedure
Step 1: Make sure all items above meet demands.
Step 2: Close external AC air-switch.
Step 3: Close external DC air-switch.
After external air-switch is closed in the PV power system:
z
PV arrays initialize and supply DC power to inverter;
z
Inverter verify whether grid conditions are OK;
z
If the conditions are OK, inverter feeds AC power to grid and enters into the
running state.
Step 4: Observe state of LED indicators and LCD screen.
If inverter’s commissioning fails, “FAULT” indicator will be lit. And “state” in the
LCD screen will display type of malfunction.
In this case malfunction must be removed and then repeat step1 to step 4.
If inverter‘s commissioning succeeds, “RUN” indicator will be lit.
If inverter‘s commissioning succeeds, “state” in the LCD screen will display “RUN”.