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9 switching on and off, 1 switching on – SMA SI 4548-US User Manual

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9  Switching On and Off

SMA America, LLC

74

SI4548-6048-US-BE-en-20

Operating Manual

9 Switching On and Off

9.1 Switching On

1. Check the following requirements:

– correct electrical connections
– voltages and polarities

2. Switch the DC circuit breaker of the Sunny Island to "ON".

☑ The display light of the Sunny Island switches on.

☑ The Sunny Island initiates the start-up phase.

The notifications shown here are displayed.
The last notification is displayed as soon as the
start-up phase is completed.

3. To change settings in the QCG, manually start the QCG.

(Press and hold down until the Sunny Island beeps three times.)

☑ The QCG is started and the notification

displayed here is shown.

or Wait five seconds.

☑ The Sunny Island skips the QCG and the

notification shown here is displayed.

Systems with several Sunny Island inverters
Switch on the slaves before you switch on the master. To do this, proceed as follows.

Parameter "250.01 AutoStr"
Even with the parameter "250.01 AutoStr" set, the Sunny Island must be manually started after
each time the device is switched on using the DC circuit breaker.

01#StartMenu
Start System

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