APsystems DS3 series User 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 the grid voltage matches the microinverter rating............................................. 9
4.3.2 Step 2 – Y3 AC Bus Cable Distribution ................................................................................................ 9
4.3.3 Step 3 - Attaching the APsystems Microinverters to the Racking...................................................... 9
4.3.4 Step 4 - Grounding the system..........................................................................................................10
4.3.5 Stpe 5 - Connecting the APsystems Microinverter to the AC Bus Cable .......................................... 10
4.3.6 Step 6 - Installing a bus cable end cap at the end of the AC bus cable............................................ 11
4.3.7 Step 7 - Connecting APsystems microinverters to the PV modules................................................. 12
4.3.8 Step 8 - Connecting APsystems microinverters to the 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
8.1 DS3 series Microinverter Datasheet............................................................................................................ 20
9. Wiring Diagram
..............................................................................................................................21
9.1 Sample Wiring Diagram - Single Phase........................................................................................................ 21
10. DS3 series Accessory
................................................................................................................... 22
10.1 Dimensions .............................................................................................................................................. 22
10.2 Wiring Diagram ....................................................................................................................................... 23
11.APsystems Microinverter Installation Map
................................................................................. 24
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