NOTE
For systems with four PV strings per unit or more, fuses
may need to be installed in both the positive and negative
conductors as required by NEC Article 690.9. For more
information, refer to the “String Fusing Requirements
in SolarEdge Systems” technical note at
http://www.solaredge.com/files/pdfs/string_fusing_
requirements.pdf.
NOTE
SolarEdge's fixed input voltage architecture enables the parallel strings to be of
different lengths. Therefore, they do not need to have the same number of
power optimizers, as long as the length of each string is within the permitted
range.
4. Close the Connection Unit with Safety Switch cover: Attach the switch cover and
secure it by tightening the four screws with a torque of 1.2 N*m/ 0.9 lb*ft.
5. Ensure proper conduit sealing; inspect the entire conduit run and use standard
conduit sealants to avoid water penetration.
Chapter 3: Connecting the AC and the Strings to the Connection Unit with
Safety Switch 41
EV Charging Single Phase Inverter Guide MAN-01-00588-1.1
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