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4.3 Operation and maintenance
1. To perform the general operation, follow the stand-alone operating
requirement.
2. Start up: The units transfer to INV mode simultaneously as they start up
sequentially in utility power mode.
3. Shutdown: the units shut down sequentially in INV mode. When the last one
completes the shutdown action, each unit will shut down the inverter
simultaneously and transfer to bypass mode.
4. To perform the maintenance, follow the stand-alone requirement.