7 Electrical Connection
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Ensure the conductors completely wrapped without loosening or damage.
FIG. 7-14 Strip the Cable Insulating Layer FIG. 7-15 Crimp the Contact
3) Insert the crimped contact pin into the connector back until one click audibly. Pull
lightly on the cable to ensure the contact pins of the connectors are engaged. Pay
attention to the polarities when assembling.
4) Tighten the nut with a special wrench. Torque: 2.5~2.9 N.m.
FIG. 7-16 Insert the Contact FIG. 7-17 Tighten the Cable Gland
5) Insert the assembled connectors into the bottom terminal of the inverter until one
sound click audibly.
The locked DC connectors can only be disconnected with special tool.
FIG. 7-18 Illustration of DC Ports
7.73 Connecting PV array (DC input)
Danger
Ensure the DC switch and AC breaker both are disconnected from the
inverter before connect the PV arrays.
Never connect PV array positive or negative pole to the ground, it could
cause serious damages to the inverter.