SMA SB 700U - Manual (Page 26)

4-2 SMA America SB700U-11:SE3207
Sequence of Connecting
WARNING: Always connect the wires to the Sunny
Boy in the following sequence:
1. De-energize all AC and DC sources by switching all AC and DC disconnects
and/or breakers OFF.
2. Wiring from AC breaker to the AC disconnect switch.
3. Wiring from the AC disconnect switch to the Sunny Boy, follow the procedure
on page 4-6 et seq..
4. Wiring from the PV wires to the DC disconnect.
5. Wiring from the DC disconnect to the Sunny Boy, follow the procedure on
page 4-10 et seq..
6. Turn the DC switches and/or breakers ON.
7. Turn the AC switches and/or breakers ON.
To disconnect the Sunny Boy first turn OFF all AC disconnects and then all DC
disconnects. The AC system should always be disconnected before the DC system.
After the Sunny Boy is de-energized, disconnect the wiring in the reverse order from
above.
WARNING: Always wait a minimum of 5 minutes
for the stored potential in the Sunny Boy to dis-
charge completely before opening the enclosure.
WARNING: All electrical installations must be done
in accordance with all local electrical codes and the
National Electrical Code (NEC), ANSI/NFPA 70.
WARNING: Before connecting the Sunny Boy to the
electrical utility grid, contact the local utility compa-
ny. This connection must be made only by qualified
personnel.