SMA SI 3324 Errata - Manual (Page 8)

SMA Solar Technology AG Electrical Connection
Installation Guide 8/16 SI3324_4248-E-IEN094410
Allow for the fact that the connection terminals for the
2 "DC –" cables are arranged above each other and
slightly concealed.
Procedure for the connection:
1. Assemble metric-thread cable screw connections
on enclosure opening A and B (see diagram on
page 3).
2. Provide DC cables with suitable cable end
sleeves.
3. Thread 2 "DC –" cables through the cable screw
connections A (see diagram on page 3) into the
enclosure.
4. Thread 2 "DC +" cables through the cable screw
connections B (see diagram on page 3) into the
enclosure.
5. Insert first "DC –" cable with cable end sleeve into
the lower "DC –" connection terminal (1) and
tighten the screw firmly (torque 4.0 Nm to 5.7 Nm).
6. Insert second "DC –" cable with cable end sleeve
into the upper "DC –" connection terminal (2) and
tighten the screw firmly (torque 4.0 Nm to 5.7 Nm).
7. Then insert the "DC +" cables with cable end
sleeves into the "DC +" connection terminals and
tighten the screws firmly (torque 4.0 Nm to
5.7 Nm).
8. Tighten the counter nut of the metric-thread cable
screw connection.
☑ The DC connection of the Sunny Island is installed.
++
_
_
DC
only
++
_
_
DC
only
++
_
_
DC ductors only
1
2