Table Of Contents - APsystems QT2 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 QT2 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 - 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. QT2 - Wiring Diagram .................................................................................................................... 20
9.1 Sample Wiring Diagram ................................................................................................................................20
10. APsystems Microinverter Installation Map ................................................................................ 21
APsystems Microinverter QT2 Installation manual 1