Sungrow PVS-12MH-DB, Руководство пользователя

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5 Electrical Installation User Manual
24

Relevant standards must be observed.

Ground cables must be connected firmly with both device and
ground terminals.

Ground resistance shall be measured after finishing ground
connections, and the measure
d values should not be over 1Ω.
Step 1
Loosen the union nuts of “ ” gland terminals.
Step 2
Insert the green-
yellow wire from the device outside into the “ ” gland
terminal, then pull the wire and connect it to the inner terminal. Enough
wire bending space should be ensured.
Step 3 Strip off both protection and insulation layers, with approx. 12mm
conductor length.
Step 4 Connect the OT terminal.
Step 5 According to the sequence of screw, spring washer, flat washer, OT
terminal and ground hole to connect the OT terminal to the ground
copper bar.
Step 6 Tighten the nuts of gland terminal clockwise. Ground wirings have been
finished.
5.4.4 Communication Connections
Refer to the figure below for communication terminals inside the PVS.