Sungrow SG30CX, User Manual

Page: 53 / 113

43
step 4 Follow the foregoing steps to connect PV connectors of other PV strings.
step 5 Seal any unused PV terminal with a terminal cap.
If the PV string is equipped with the optimizer, please refer to the optimizer manual for elec-
trical connections and make sure that the polarity of the optimizer cables is correct.
- - End
5.8 Communication Junction Box
Remove the Junction Box
Pull out the pin and keep it properly, remove the junction box.
The pin removed is a required accessory for fixing the junction box. Store it prop-
erly and protect it against missing or deformation.
Install the Junction Box
Remount the wiring box and press it tightly, insert the pin, and secure the wiring box with the
supplied M4×25 screw.
User Manual 5 Electrical Connection