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
D
ESCRIPTION
................................................. 13
2.6 SCHEMATIC DIAGRAM AND CIRCUIT DESIGN ................................................. 14
2.7
A
NTI
-I
SLANDING
D
ETECTION
........................................................................... 16
2.8 DC GROUND FAULT PROTECTION .................................................................. 16
2.9 SURGE
S
UPPRESSION
........................................................................................ 16
2.10
DC
A
RC
-
FAULT
P
ROTECTION
............................................................................ 17
2.11 MODULE-LEVEL RAPID SHUTDOWN .............................................................. 17
3 INSTALLATION ............................................................................. 18
3.1
R
ECOMMENDATIONS
B
EFORE
I
NSTALLATION
.................................................. 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 .............................. 29
3.3 ELECTRICAL INSTALLATION .............................................................................. 37
3.3.1 Removing/Replacing the Wiring Box Cover .......................... 37
3.3.2 Wiring
Boxes
........................................................................ 39
3.3.3 DC Connection ..................................................................... 41