SMA SC 500HE-US Installation - Manual (Page 77)

SMA America, LLC 9 Commissioning
Installation Manual SC500HEUS-IA-US_en-14 77
24. Attach the 7 screws and tighten them with a torx
screwdriver.
25. Turn the stop/start switch on the Control and
Interface Cabinet's door to the right until it reaches
the start position.
27. Switch on the fuses in the DC distribution boxes (e.g., Sunny Central String-Monitor).
28. Remove the cover of the PV modules in the array.
29. Switch on the AC main circuit breaker.
☑ If there is enough radiation, the DC and AC switches switch on audibly and the Sunny Central
is in operation. The display shows the power of the Sunny Central (A) and the switch symbol (B)
is closed.
26. %"/(&3
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