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Summary of Contents for SMA Sunny Central 500U
- Page 1 Change from negative to positive grounding SUNNY CENTRAL 500U Installation Guide SC500U_GFDI-IUS101311 | 98-4022711 | Version 1.1...
- Page 3 (with no limitation) any implied warranties of utility, merchantability, or fitness for any particular purpose. All such warranties are expressly disclaimed. Neither SMA America, LLC nor its distributors or dealers shall be liable for any indirect, incidental, or consequential damages under any circumstances.
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Page 4: Important Safety Instructions
Sunny Central 500U. To reduce the risk of personal injury and to ensure the safe installation and operation of the Sunny Central 500U, you must carefully read and follow all instructions, cautions and warnings in this installation guide. - Page 5 SMA America, LLC Important Safety Instructions Other symbols in this document In addition to the safety and hazard symbols described on the previous pages, the following symbol is also used in this installation guide: Information This symbol accompanies notes that call attention to supplementary information that you should know and use to ensure optimal operation of the system.
- Page 6 For all repair and maintenance, always return the unit to an authorized SMA Service Center. Before installing or using the Sunny Central 500U, read all of the instructions, cautions, and warnings on the Sunny Central 500U in the installation guides.
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Page 7: Table Of Contents
SMA America, LLC Table of Contents Table of contents Notes on this manual......9 Target group . - Page 8 Table of Contents SMA America, LLC SC500U_GFDI-IUS101311 Installation Guide...
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Page 9: Notes On This Manual
1.2 Syntax In this document the Sunny Central 500U is referred to in the following as Sunny Central. In this document SMA America Production, LLC is referred to in the following as SMA. -
Page 10: Safety
Safety SMA America, LLC 2 Safety DANGER During operation, high voltages are present in the Sunny Central. Death from electric shock will result. When working on the Sunny Central, the device must be disconnected form the power supply and tested for absence of voltage. Be sure to observe the five safety rules for working on electrical systems. -
Page 11: List Of Materials
SMA America, LLC List of materials 3 List of materials Quantity Description Equipment label Busbar in the front Busbar in the back Adhesive label DC+ Adhesive label DC‒ Marking (equipment label) for the components Marking (equipment label) for the WL‒ components Marking „This unit is grounded at the... -
Page 12: Removal Of The Components
Removal of the components SMA America, LLC 4 Removal of the components 4.1 Overview Position Description Position of the DC+ and DC‒ busbars and the contactor. 4.2 Remove transparent covers 1. Remove all screws at the left side of the upper transparent cover. -
Page 13: Remove Busbars
SMA America, LLC Removal of the components 4. Remove the 2 screws on the left side and the 1 screw on the right side of the lower transparent cover. 5. Remove the transparent cover. 6. Put the screws and the transparent cover aside. -
Page 14: Remove The Wires From Current Measurement
Removal of the components SMA America, LLC 4.4 Remove the 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 the wires between current measurement and busbar WL+ . -
Page 15: Mounting The Components
SMA America, LLC Mounting the components 5 Mounting the components 5.1 Attach the wires to the current measurement 1. Attach the blue wire from the current measurement to the busbar with DC fuses. 2. Attach the brown cable from the current measurement to the busbar without DC fuses. -
Page 16: Attach Markings
Mounting the components SMA America, LLC 5.3 Attach markings 1. Attach the label "DC–" to the busbar with DC fuses. 2. Position label "max. 600V DC PV–" over "max. 600V DC PV+". 3. Remove label "This Unit is grounded at the negative DC leg."... -
Page 17: Commissioning
SMA America, LLC Mounting the components 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.
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