Table of Contents
BEFORE YOU START… .............................................................................. 1
1 IMPORTANT SAFETY INSTRUCTIONS ............................................... 3
2 OVERVIEW .................................................................................... 9
2.1 INVERTER FOR GRID-TIED PV SYSTEMS ................................................. 9
2.2 PRODUCT FEATURES ...................................................................... 10
2.3 PRODUCT PROTECTION AND FUNCTIONS ........................................... 11
2.4 SMART INVERTER FUNCTIONS (DEFAULT STATE): .................................. 12
2.5 APPEARANCE AND MAIN ITEM DESCRIPTION ...................................... 13
2.6 SCHEMATIC DIAGRAM AND CIRCUIT DESIGN ....................................... 14
2.7 ANTI-ISLANDING DETECTION ........................................................... 16
2.8 DC GROUND FAULT PROTECTION ..................................................... 16
2.9 SURGE SUPPRESSION ..................................................................... 16
2.10 DC ARC-FAULT PROTECTION............................................................ 17
2.11 MODULE-LEVEL RAPID SHUTDOWN .................................................. 17
3 INSTALLATION.............................................................................. 18
3.1 RECOMMENDATIONS BEFORE INSTALLATION ....................................... 20
3.2 MECHANICAL INSTALLATION ............................................................ 23
3.2.1 Dimensions .......................................................................... 23
3.2.2 Installation Method (see Figure 3-2) ................................... 23
3.2.3 Installation Space Requirement ........................................... 25
3.2.4 Mounting the Inverter onto the Bracket .............................. 30
3.3 ELECTRICAL INSTALLATION ............................................................... 39
3.3.1 Removing/Replacing the Wiring Box Cover: ........................ 39
3.3.2 Wiring Boxes ........................................................................ 41
3.3.3 DC Connection ..................................................................... 43
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