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Visual Inspection of Mechanical Connections
1. Ensure that the AC and DC Disconnect Switches, as well as any utility
2. Ensure all anchor bolts and any required seismic bracing is properly
3. Remove the latches and open the doors of the AC and DC Interface and
4. Verify all wire conduit fittings and connections are properly tightened.
Visual Inspection of Electrical Connections
1. Ensure that the AC Disconnect and DC disconnect switches, as well as any
2. Ensure all conductors and wiring connections interfacing with the GT100
3. Verify the AC power conductors terminated at TB1-A, TB1-B, TB1-C,
4. Verify DC power conductors terminated at either the optional Fused
Corrective Action
153379
To perform a visual inspection of the GT100 mechanical connections:
interconnect circuit breakers or main disconnect switches, are opened.
tightened and in place.
inspect.
To perform a visual inspection of the GT100 electrical connections:
utility interconnect circuit breakers or main disconnect switches, are
opened.
are tightened to the correct torque value.
For specific torque values, see Table A-5 on page A–5 and Table A-6 on
page A–5.
and TB1-N within the AC Interface are terminated correctly and properly
sequenced.
Combiner (GTFC) or TB3, as well as TB4 and TB5 within the DC
Interface are terminated correctly and are properly polarized.
Perform after initial inspection (if required):
1. Correct any necessary repairs pertaining to the previous inspection steps.
2. Replace the latches and close the doors of the Inverter Enclosure.
3. Ensure that the AC Disconnect and DC Disconnect Switches, as well as any
utility interconnect circuit breaker or main disconnect circuit breaker, are left
open.
This manual for use by qualified installers only
Visual Inspection of Mechanical Connections
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