SMA SC 500HE-US Installation - Manual (Page 59)

SMA America, LLC 8 Electrical Connection
Installation Manual SC500HEUS-IA-US_en-14 59
8.5 Connecting DC cables
8.5.1 Connecting DC cables with screw terminals
%"/(&3
Voltage is present in PV modules exposed to light.
Death resulting from electric shock.
• Cover the PV modules.
• Switch off the fuses in the DC distribution boxes (e.g. Sunny Central String-Monitor) and
secure them against reconnection.
• Follow all safety precautions of the module manufacturer.
%"/(&3
Normally grounded conductors may be ungrounded and energized when a ground-fault is
indicated.
Risk of electric shock.
• Test before touching.
• Work on the Disconnect Unit must be carried out by qualified personnel.
Position Description
A Nut ‒ size: M 12
E
D
C
A F
C
A
B
C
F
C
B B
B