APsystems QS1A - Default Chapter; Table of Contents

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APsystems QS1A 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

............................................ 3

2. APsystems Microinverter System Introduction............................................................................4

3. APsystems Microinverter QS1A Introduction............................................................................... 6

4. APsystems Microinverter System Installation.............................................................................. 7

4.1 Additional Installation components from APsystems................................................................ 7

4.2 Required Parts and Tools from you................................................................................................. 7

4.3 PV Rapid Shut Down Equipment...................................................................................................... 8

4.4 Installation Procedures......................................................................................................................... 9

4.4.1 Step 1 -

Verify the grid voltage to match with microinverter rating

.................................9

4.4.2 Step 2 - Install the AC bus cable

.............................................................................................. 9

4.4.3 Step 3 - Attach the APsystems Microinverters to the racking....................................9

4.4.4 Step 4 - Ground the system.................................................................................................. 10

4.4.5 Step 5 - Connect the APsystems microinverter to AC bus cable............................ 10

4.4.6 Step 6 - Install a AC bus protective end cap at the end of AC bus cable

........................... 10

4.4.7 Step 7 - Connect APsystems Microinverters to the PV Modules............................. 11

4.4.8 Step 8 - Complete the APsystems installation map..................................................... 11

5.APsystems microinverter system operating instructions....................................................... 13

6. Troubleshooting.................................................................................................................................... 14

6.1 Status Indications and Error Reporting..........................................................................................14

6.1.1 Start up LED...................................................................................................................................14

6.1.2 Operation LED............................................................................................................................. 14

6.1.3 GFDI Error......................................................................................................................................14

6.1.4 Other Faults.................................................................................................................................. 14

6.2 Troubleshooting a non-operating APsystems Microinverter.................................................15

6.3 Maintenance............................................................................................................................................ 15

7. Replace a microinverter...................................................................................................................... 16

8. Technical Data........................................................................................................................................ 17

8.1 QS1A Microinverter Datasheet........................................................................................................... 18

9. Wiring Diagram......................................................................................................................................20

9.1 Single-phase wiring diagram (LATAM)...........................................................................................20

9.2 Sample Wiring Diagram - 120D 208 3-Phase Grid (LATAM)................................................. 21

9.3 Sample Wiring Diagram - 120Y 208 3-Phase Grid (LATAM)................................................. 22

9.4 Single-phase wiring diagram (Brazil)............................................................................................ 23

10. QS1A Accessory................................................................................................................................... 24

10.1 Wiring Diagram......................................................................................................................................24

10.2 10.2 Accessories Summary (LATAM)............................................................................................ 25

10.3 Accessories Summary (Brazil)........................................................................................................ 26