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Starting the Commissioning Test
153378
3–3
Starting the Commissioning Test
Serial Number
Enter the information required on the form that appears on page B–3 of Appendix
B, “Commissioning Test Record”. The converter serial number is located on a
label placed on the lower-left front of the Inverter Enclosure door.
Inverter Enclosure
1. Open both doors of the GT100 Inverter Enclosure and inspect
the connections.
2. Check for loose cables, rubbing, or interference.
3. Correct and record any defects.
4. Close the Inverter Enclosure doors.
Verify AC Voltage
1. Open the left door of the GT100 Inverter Enclosure and verify that the Grid
AC cables have been installed at TB1-A, TB1-B, TB1-C, and TB1-Neutral
within the AC Interface.
2. With a voltmeter, verify if AC Grid voltage is present at the bottom of TB1-A,
TB1-B, TB1-C, and TB1-Neutral (208 or 480 Vac). These terminals are
located in the AC Interface.
3. If grid voltage is not available to the unit, close and lock the GT100 Inverter
Enclosure. The Commissioning Test procedure must cease at this point. Do
not attempt to continue the test until each step can be checked and verified.
Verify DC Voltage
1. Open the right door of the GT100 Inverter Enclosure and verify that the PV
DC cables have been installed correctly within the DC Interface.
2. With a voltmeter, verify if PV DC voltage is present at TB3 and TB4.
3. Verify the correct polarity.
4. If the voltage is not present, contact the installer, site electrician or site
operator to supply PV voltage to the unit.
5. If PV DC voltage is not available to the unit, close and lock the GT100
Inverter Enclosure. The Commissioning Test procedure must cease at this
point. Do not attempt to continue the test until each step can be checked and
verified.
Summary of Contents for GT100-208
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