SMA Sunny Central 500U Installation Manual Download Page 17

Page: 17 / 20

SMA America, LLC

Mounting the components

Installation Guide

SC500U_GFDI-IUS101311

5.6 Commissioning

Commission the Sunny Central after modification as described in the installation guide and check the
function of the Sunny Central.

3. Attach the lower transparent cover.
4. Attach the 2 screws on the left side and the 1 screw

on the right side of the lower transparent cover and
tighten them.

☑ The transparent covers are attached.

Summary of Contents for Sunny Central 500U

Page 1: ...SC500U_GFDI IUS101311 98 4022711 Version 1 1 US Change from negative to positive grounding SUNNY CENTRAL 500U Installation Guide...

Page 2: ......

Page 3: ...ircumstances The exclusion of implied warranties may not apply in all cases under some statutes and thus the above exclusion may not apply Specifications are subject to change without notice Every att...

Page 4: ...Central 500U you must carefully read and follow all instructions cautions and warnings in this installation guide Warnings in this document A warning describes a hazard to equipment or personnel It c...

Page 5: ...ectric arc hazards The product has large potential between its conductors Arc flashes can occur through air when high voltage current flows Do not work on the product during operation Beware of hot su...

Page 6: ...the fans as well as the handle covers on the sides of the unit For all repair and maintenance always return the unit to an authorized SMA Service Center Before installing or using the Sunny Central 5...

Page 7: ...rial n a 11 3 2 Additional material 11 4 Removal of the components 12 4 1 Overview 12 4 2 Remove transparent covers 12 4 3 Remove busbars 13 4 4 Remove the wires from current measurement 14 5 Mounting...

Page 8: ...Table of Contents SMA America LLC 8 SC500U_GFDI IUS101311 Installation Guide...

Page 9: ...eep this manual in a convenient place for future reference 1 1 Target group This manual is for qualified personnel only Qualified personnel have received training and have demonstrated skills and know...

Page 10: ...e Be sure to observe the five safety rules for working on electrical systems The five safety rules for working on electrical systems are listed below Switch off the system Ensure that the device canno...

Page 11: ...cription Equipment label 1 Busbar in the front 1 Busbar in the back 1 Adhesive label DC 2 Adhesive label DC 2 Marking equipment label for the components WL 2 Marking equipment label for the components...

Page 12: ...transparent covers Position Description A Position of the DC and DC busbars and the contactor 1 Remove all screws at the left side of the upper transparent cover 2 Remove the transparent cover 3 Put...

Page 13: ...L are removed Between the contactor K2 and busbar WL are two busbars 1 Remove all screws of the busbars 2 Remove the busbars 3 Put the busbars aside The busbars will not be reused The busbars between...

Page 14: ...wires from current measurement 1 Remove the screws that attach the wires from the current measurement to busbar WL and busbar WL 2 Remove the wires between the current measurement and busbar WL and t...

Page 15: ...current measurement is attached 5 2 Mount busbars 1 Connect the busbar with DC fuses and the contactors K3 2 and K3 4 with the two provided busbars 2 Tighten the screws with a torque of 55 ft lb 74 N...

Page 16: ...600V DC PV 5 Attach the label DC to the busbar without fuses 6 Position label This Unit is grounded at the positive DC leg below label max 600 V DC PV The markings are attached 5 4 Check all connecti...

Page 17: ...the Sunny Central after modification as described in the installation guide and check the function of the Sunny Central 3 Attach the lower transparent cover 4 Attach the 2 screws on the left side and...

Page 18: ......

Page 19: ......

Page 20: ...4 NFSJDB XXX SMA ANFSJDB DPN...