Sungrow SG125HX, Руководство пользователя, Страница: 51 / 103

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Check the positive and negative polarity of the PV strings, and connect the
PV connectors to corresponding terminals only after ensuring polarity
correctness.
•
Arc or contactor over-temperature may occur if the PV connectors are not
firmly connected in place, and SUNGROW shall not be held liable for any
damage caused due to this operation.
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 DC input is connected inversely and the DC switch has been rotated to
"ON", do not operate immediately. Otherwise, the equipment may be damaged.
Please turn the DC switch to "OFF" and romove the DC connector to adjust the
polarity of the strings when the string current is lower than 0.5A.
-- -- E En nd d
5.8 Communication Junction Box
R Re em mo ovve e tth he e JJu un nc cttiio on n B Bo oxx
Squeeze both sides of the junction box and then pull it out to remove it.
IIn nsstta allll tth he e J Ju un nc cttiio on n B Bo oxx
Align the junction box with the corresponding port and push it into the port to
reassemble junction box.
User Manual 5 Electrical Connection