Sungrow SH3K6 - Page 54

6 Electrical Connection User Manual
46
2. Assemble the cable ends by
crimping pliers.
Positive Crimp Contact
Negative Crimp Contact
3. Lead the cable through the cable gland to insert into the insulator until it
snaps into place. Then tighten the cable gland (torque 2.5 Nm–3 Nm).
Crimp Contact
Positive Insulator
Cable Gland
Crimp Contact
Negative Insulator
Cable Gland
Installing the PV Connector
1. Rotate the DC switch at the bottom to the “OFF” position.
ON
OFF
Backup Ctrl
2. Check the cable connection of the PV strings for the correct polarity and
that the open circuit voltage does not exceed the inverter input limit of
600 V, even under the lowest operating temperature. Refer to the module
specification supplied by the module manufacturer for detailed
information.