APsystems Microinverter DS3D User Manual
Table of Contents
1.Important Safety Instructions................................................................................................2
1.1 Safety Instructions.................................................................................................................................... 2
1.2 Radio Interference Statement..............................................................................................................3
1.3 Symbols replace words on the equipment, on a display, or in manuals.............................. 4
2.APsystems Microinverter System Introduction.............................................................. 5
3.APsystems Microinverter DS3D Introduction................................................................. 7
4.APsystems Microinverter System Installation................................................................ 8
4.1 Additional accessories supplied by APsystems........................................................................... 8
4.2 Other required accessories not supplied by APsystems..........................................................8
4.3 Installation Procedures..........................................................................................................................9
4.3.1 Step 1 - Verify that grid voltage matches microinverter rating....................................9
4.3.2 Step 2 – Y3 AC Bus Cable distribution................................................................................ 9
4.3.3 Step 3 - Attach the APsystems Microinverters to the Racking...................................9
4.3.4 Step 4 - Ground the system.................................................................................................. 10
4.3.5 Step 5 - Connect the APsystems microinverter to AC bus cable............................ 10
4.3.6 Step 6 - Install a Bus Cable End Cap at the end of AC bus cable........................... 11
4.3.7 Step 7 - Connect APsystems Microinverters to the PV Modules............................. 12
4.3.8 Step 8 - Complete the APsystems installation map..................................................... 13
5.APsystems microinverter system operating instructions.........................................14
6.Troubleshooting....................................................................................................................... 15
6.1 Status Indications and Error Reporting..........................................................................................15
6.1.1 Start up LED...................................................................................................................................15
6.1.2 Operation LED............................................................................................................................. 15
6.1.3 GFDI Error......................................................................................................................................15
6.2 ECU_APP..................................................................................................................................................15
6.3 Installer EMA (web portal or EMA Manager APP).................................................................... 15
6.4 Trouble Shooting Guide......................................................................................................................15
6.5 APsystems Technical Support.......................................................................................................... 16
6.6 Maintenance............................................................................................................................................ 16
7.Replace a microinverter.........................................................................................................17
8.Technical Data........................................................................................................................... 18
8.1 DS3D 3-phase Microinverter Datasheet......................................................................................... 19
9. DS3D - Wiring Diagram........................................................................................................20
9.1 Sample Wiring Diagram - Single Phase..........................................................................................20
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