APsystems Microinverter DS3 series Installation manual
Table of Contents
1. Important Safety Instructions
......................................................................................................... 2
1.1 Safety Instructions.......................................................................................................................................... 2
1.2 Radio Interference Statement........................................................................................................................ 3
1.3 Symbols in lieu of words.................................................................................................................................4
2. APsystems Microinverter System Introduction
.............................................................................. 5
3. APsystems Microinverter DS3 series 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 - Connect APsystems Microinverters to Grid.........................................................................13
4.3.9 Step 9 - AC Extension Cable.............................................................................................................. 13
4.3.10 Step 10 - Complete the APsystems installation map...................................................................... 14
4.3.11 Step 11 - Warning Notice ................................................................................................................ 14
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
6.2 ECU_APP ....................................................................................................................................................... 16
6.3 Installer EMA (web portal or EMA Manager APP)....................................................................................... 16
6.4 Trouble Shooting Guide................................................................................................................................16
6.5 APsystems Technical Support....................................................................................................................... 17
6.6 Maintenance.................................................................................................................................................17
7. Replace a microinverter
................................................................................................................ 18
8. Technical Data
................................................................................................................................19
9. DS3 series - Wiring Diagram
..........................................................................................................20
9.1 Sample Wiring Diagram - Single Phase........................................................................................................ 20
10. APsystems Microinverter Installation Map
................................................................................ 21
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