SMA SC 250U - Manual (Page 63)

SMA America, LLC 7 Operating the Disconnect Unit
Installation Guide DISU_SCUS-IA-IUS111711 63
7.3 Switching off the Disconnect Unit
1. For Disconnect Unit for Sunny Central 250U⁄500U:
• Turn the AC breaker to the left into position
”Off”. You need to push/pull sharply in order to
move the switch.
2. For Disconnect Unit for Sunny Central 500HE-US/
CA and Sunny Central CP:
• Push the red button.
3. Turn all switches of the DC load break switch to the
left into position ”Off”. You need to push/pull
sharply in order to move the switches.