7.Replace a microinverter
Follow the procedure to replace a failed APsystems Microinverter
A. Disconnect the APsystems Microinverter from the PV Module, in the order shown below:
1. Disconnect the AC by turning off the branch circuit breaker.
2. Disconnect the first AC connector in the branch circuit.
3. Disconnect the PV module DC wire connectors from the microinverter.
4. Remove the Microinverter from the PV array racking.
5. Cover the module with an opaque cover.
B. Install a replacement Microinverter to the rack. Remember to observe the flashing LED
light as soon as the new Microinverter is plugged into the DC cables.
C. Connect the AC cable of the replacement Microinverter and theneighboring Microinverter to
complete the branch circuit connections.
D. Close the branch circuit breaker, and verify operation of the replacement Microinverter.
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