SMA Solar Technology America LLC 9 Switching On and Off
Operating Manual SI4548-6048-US-BE-en-21 75
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 <ENTER> 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.
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