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Commissioning
3–4 152607
6. Once you finish verifying PV DC voltages, go back to the GUI
Commissioning Procedure and click on the check box to indicate that the task
is complete. Go to the next step by clicking on the "N
EXT" button.
Inspect Inductor Enclosure
1. Remove the back and side access panels to the Inductor Enclosure and inspect
the connections.
2. Check for loose cables, rubbing, or interference.
3. Check the AC Sense Harness to make sure it is terminated and secured
properly and not touching either inductor L3 or L4.
4. Correct and record any defects.
5. Reinstall the Inductor Enclosure access panels removed above.
6. Once you finish inspecting the Inductor Enclosure, go back to the GUI
Commissioning Procedure and click on the check box to indicate the task is
complete. Go to the next step by clicking on the "N
EXT" button.
Apply Grid Voltage
1. Verify all enclosure doors are closed and locked.
2. Close the AC Disconnect Switch (S1). This will energize the control power
circuits.
3. Look, listen and smell for signs of defects.
4. Record any defects found.
5. Once you finish applying the grid voltage, go back to the GUI Commissioning
Procedure and click on the check box to indicate the task is complete. Go to
the next step by clicking on the "N
EXT" button.
Front Panel Display
1. Open then close the AC Disconnect Switch (S1) and look at the Front Panel. It
should show the Software Versions of the CCU and Front Panel. Record these
numbers. Then it should go into Initialization.
2. After about 20 seconds it will be in its “ready” mode. At this time the Fault
Code “0071 PV SWITCH OPEN” will be reported. Close the PV Disconnect
Switch (S2) and verify alarm 0071 clears by pressing the “F1” key on the
keypad of the UFCU. If additional alarms are present, refer to Table 4-1 on
page 4–4.
3. Once all faults are clear, the front panel should report Key Disable (“Switched
Off”) and show Inverter Status.
4. Using the \/ key, scroll down in the R
EAD Menu and verify that the Time and
Date are correct.
5. If not, refer to the “Setting the Date and Time” on page 2–21.
6. Scroll thru the parameters and verify that they are present.