SMA SC 500HE-US Maintenance Manual - Manual (Page 22)

4 Maintenance SMA America, LLC
22 SC500HEUS-eng-WH-IUS120411 Maintenance Manual
4.3.2 Checking Safety Messages
Figure 5: Location of safety messages on device
• Disconnecting the inverter (see 4.3.1 "Disconnecting the Inverter", page 19).
• Replace missing or damaged safety messages and stickers. In the case of missing or damaged
safety messages or stickers, contact the SMA Service Line.
Position Designation
A Hazardous voltage inside
B Hazardous voltage inside
C Operating the Sunny Central without transformer causes a short circuit and can
destroy the Sunny Central
D Hazardous voltage
E BURN HAZARD
G max. 600 V PV+ / max. 600 V PV −
H Equipment ground
I Do not change settings
K A, B, C, 200 V / 60 Hz
L*
* Optional
Software version identifier
M Risk of electric shock or electrical high-energy current levels