Sungrow PVS-18RM - Electrical Installation; Output Wiring Safety and Procedure

5 Electrical Installation User Manual
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A
C
D
E
D
E
F
B
Figure 5-3 Copper wire connection indication
A
B
C
D
E
F
Copper
bar
Copper
connecting
terminal
M10 bolt
Spring
cushion
Flat
washer
Nut
For aluminum wire, the fixing method is as shown in the figure below, and the
tightening torque is 34~40N.m.
A
C
D
E
D
E
F
B
Figure 5-4 Aluminum wire connection indication
A
B
C
D
E
F
Copper
bar
Copper
aluminum
transition
terminal
M10 bolt
Spring
cushion
Flat
washer
Nut
Step 4 Tighten the nut of the waterproof terminal clockwise.
5.5.2 Output wiring
Safety precautions
There is a high voltage in the PV string. Accidental contact may cause
fatal electric shock or severe burns. When wiring, you need to observe
the following safety precautions:

disconnect the end of the PV string before wiring.

follow the string manufacturer’s safety instructions.