String PV Grid-tied Inverter PSiO-W3#1100VPVK Series
(100000-125000)
User Manual
3 Installation
47
Figure3-35
Schematic diagram of stripping DC input wiring (Unit: mm)
It is recommended to use red for positive cables and black for negative cables to avoid wiring errors. If
other colors are used, please confirm the corresponding relationship when crimping each cable to the
connector.
Step 2
Loosen the lock nuts of the positive and negative connectors, lead the positive and negative cables go
through the corresponding lock nuts, and use a crimping tool to press the positive cable and negative
cable to the positive and negative metal terminals respectively, as shown inFigure3-36.
Figure3-36
Crimp metal terminals
Step 3
Insert the crimped positive and negative cables into the corresponding insulating shells until you hear
a clicking sound, it means the connection is completed.
Figure3-37
Fixed metal terminal
Step 4
Screw and tighten the locking nuts of the positive and negative connectors to corresponding
insulating shells, as shown in Figure3-38.
Figure3-38
Tighten the lock nut