APsystems DS3 Series Installation/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 DS3 Series Introduction....................................................... 7
4.APsystems Microinverter System Installation................................................................ 8
4.1 Additional Installation components from APsystems................................................................ 8
4.2 Required Parts and Tools from you................................................................................................. 8
4.3 PV Rapid Shut Down Equipment...................................................................................................... 9
4.4 Installation Procedures....................................................................................................................... 10
4.4.1 Step 1 - Verify the grid voltage to match with microinverter rating........................ 10
4.4.2 Step 2 - The AC bus distribution......................................................................................... 10
4.4.3 Step 3 - Attach the APsystems Microinverters to the Racking................................ 10
4.4.4 Step 4 - Ground the systems................................................................................................ 11
4.4.5 Stpe 5 - Connect the APsystems microinverter to AC bus cable............................ 11
4.4.6 Step 6 - Install a Bus Cable End Cap at the end of AC bus cable........................... 12
4.4.7 Step 7 - Connect APsystems Microinverters to the PV Modules............................. 12
4.4.8 Step 8 - Complete the APsystems installation map..................................................... 13
5.APsystems microinverter system operating instructions.........................................15
6.Troubleshooting....................................................................................................................... 16
6.1 Status Indications and Error Reporting..........................................................................................16
6.1.1 Start up LED...................................................................................................................................16
6.1.2 Operation LED............................................................................................................................. 16
6.1.3 GFDI Error......................................................................................................................................16
6.1.4 Other Faults.................................................................................................................................. 16
6.2 Troubleshooting a non-operating APsystems Microinverter.................................................17
6.3 Maintenance............................................................................................................................................ 17
7.Replace a microinverter.........................................................................................................18
8.Technical Data........................................................................................................................... 19
8.1 DS3 Series Microinverter Datasheet................................................................................................ 20
9.Wiring Diagram.........................................................................................................................22
9.1 Sample Wiring Diagram - Single Phase..........................................................................................22
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