Sungrow SG33CX - Communication Junction Box; Remove the Junction Box; Install the Junction Box

5 Electrical Connection User Manual
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Step 5 Seal the unused PV terminals with MC4 terminal caps.
5.7 Communication Junction Box
5.7.1 Remove the Junction Box
Step 1 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 properly and protect it against missing or deformation.
5.7.2 Install the Junction Box
Step 1 Remount the wiring box and press it tightly, insert the pin, and secure the
wiring box with the supplied M4×25 screw.