SMA Solar Technology AG
2 Installation
Installation Manual
STP60-JP-10-IA-en-11
19
Figure 2.23 Cables with different conductors (from top to bottom):
multi-strand, fine-strand and extra fine-strand
1. Switch the PV load-break switch on the inverter to "Off"
and, if available, also on the PV array junction box.
2. Attach the DC terminal blocks (lug combiner) supplied
to the PV terminals. Observe the right torques (see
section Section 5.4, page 34).
Figure 2.24 Connection of the DC terminal blocks (lug combiner)
3. Assemble the PV cables of the PV array junction box
before connecting them to the DC terminal blocks (lug
combiner).
Figure 2.25 Connect to PV input
4. Connect the PV cables to the terminal blocks (lug
combiner). Ensure correct polarity (see figure 2.26).
Figure 2.26 Connect to PV input
5. All wires must be properly fastened with the correct
torque (see Section 5.4, page 34).
A
Cable with insulation
B
Copper conductor (max. 60 mm²)
C
DC terminal block (lug combiner)