Switching On and Off SMA America, LLC
72 SI5048U-TUS121440 Technical Description
9 Switching On and Off
9.1 Switching on
1. Check the following requirements:
– correct electrical connections
– voltages and polarities.
2. Switch the Sunny Island's DC circuit breaker to the ”ON” position.
☑ The Sunny Island's display lights up.
☑ 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. Wait 5 seconds (QCG starts automatically) or manually start QCG (press and hold down
<ENTER> until the Sunny Island beeps 3 times).
☑ The QCG is started and the notice shown here
is displayed. Continue as described in section
8.2”Starting the Quick Configuration Guide
(QCG)” (page66).
or
Wait 5 seconds.
Systems with Several Sunny Island Inverters
Switch on the slaves before switching on the master. To do this, proceed as follows.
”250.01 AutoStr” Parameter
Even with the ”250.01 AutoStr” parameter 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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