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SUN2000-(100KTL, 110KTL, 125KTL) Series User Manual

This document describes the SUN2000-125KTL-M0,SUN2000-110KTL-M0,SUN2000-100KTL-M0,SUN2000-100KTL-M1 and SUN2000-100KTL-INM0 in terms of its installation, electrical connections, commissioning, maintenance, and troubleshooting. BOM number: 01074693, 01074694, 01074695, 01074695-001 and 01074695-002.

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Electrical Safety

Electrical Safety

Grounding

  • For the equipment that needs to be grounded, install the ground cable first when installing the equipment and remove the ground cable last when removing the equipment.
  • Do not damage the ground conductor.
  • Do not operate the equipment in the absence of a properly installed ground conductor.
  • Ensure that the equipment is connected permanently to the protective ground. Before operating the equipment, check its electrical connection to ensure that it is securely grounded.

General Requirements

Before connecting cables, ensure that the equipment is intact. Otherwise, electric shocks or fire may occur.

  • Ensure that all electrical connections comply with local electrical standards.
  • Obtain approval from the local electric utility company before using the equipment in grid-tied mode.
  • Ensure that the cables you prepared meet local regulations.
  • Use dedicated insulated tools when performing high-voltage operations.

AC and DC Power

Do not connect or disconnect power cables with power on. Transient contact between the core of the power cable and the conductor will generate electric arcs or sparks, which may cause fire or personal injury.

  • Before making electrical connections, switch off the disconnector on the upstream device to cut off the power supply if people may contact energized components.
  • Before connecting a power cable, check that the label on the power cable is correct.
  • If the equipment has multiple inputs, disconnect all the inputs before operating the equipment.

Cabling

  • When routing cables, ensure that a distance of at least 30 mm exists between the cables and heat-generating components or areas. This prevents damage to the insulation layer of the cables.
  • Bind cables of the same type together. When routing cables of different types, ensure that they are at least 30 mm away from each other.
  • Ensure that the cables used in a grid-tied PV power system are properly connected and insulated and meet specifications.
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Updated: 2020-02-03

Document ID: EDOC1100087908

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