SMA SC 500U Installation - Manual (Page 57)

SMA Solar Technology AG
Installation Guide SC500U-IUS093411 57
10. Switch on the fuses in the DC distribution boxes (e.g., Sunny Central String-Monitor).
11. Remove the cover of the PV modules in the array.
12. Switch on the AC disconnect.
13. If there is enough radiation, the DC and AC switches switch on audibly.
14. The display shows the power of the Sunny Central (A) and the switch symbol (B) is closed.
9. Turn the stop/start switch on the Control Cabinet's
door to the right until it reaches the start position.
DANGER
During operation, high voltages are present in the Sunny Central. The key left in the lock
allows unauthorized personnel to open the Sunny Central.
Death resulting from burning and electric shock.
• Remove the keys from the locks of the door and from the lock of the stop/start switch.
• Keep the key in a safe place.
Stop Start
A
B