3 connection, Connection – SMA SI 3324 Installation User Manual
Page 38

Electrical Connection
SMA
Technologie AG
Page 38
SI3324/4248-14:SE2406
Installation Guide
5.2.3 Connection
The Sunny Island 3324/4248 has two "DC negative" and two "DC positive"
connection terminals (max. 35 mm²) for the battery cables.
Install the DC connections in the following sequence:
1.
Install an M25 metric-thread cable screw connection (included in delivery) in
each of the the "DC negative" and "DC positive" cable feed-throughs (see figure
Page 31).
-
Remove the dummy plugs covering the cable feed-throughs.
-
Insert the cable screw connection thread into the opening in the housing.
-
Screw the counter-nut onto the cable screw connection thread inside the
housing.
Only connect the external load disconnecting switch/battery
cables to the battery when all other installation work is finished.
Steps
4. + 5.
Steps
1. + 3., 6.