enphase IQ8AC - Table of Contents

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IQ8MC/IQ8AC/IQ8HC Installation and Operation Manual

IOM-00029-1.0

Contents

Important safety information ............................................................................................................................... 4

Read this first ...................................................................................................................................................... 4

Product labels ..................................................................................................................................................... 4

Safety and advisory symbols ............................................................................................................................ 4

IQ8 Series Microinverters safety instruction ................................................................................................. 5

1. The Enphase Energy System ....................................................................................................................... 8

2. Planning for microinverter installation ..................................................................................................... 10

3. Parts and tools required ............................................................................................................................. 12

4. Enphase microinverters installation ......................................................................................................... 13

Step 1: Position the IQ Cable ........................................................................................................................... 14

Step 2: Position the junction box ................................................................................................................... 14

Step 3: Mount the microinverters .................................................................................................................. 14

Step 4: Create an installation map ................................................................................................................. 15

Step 5: Manage the cabling ............................................................................................................................ 16

Step 6: Connect the microinverters .............................................................................................................. 16

Step 7: Terminate the unused end of the IQ Cable ...................................................................................... 17

Step 8: Complete the installation of the junction box ................................................................................ 18

Step 9: Connect the PV modules ................................................................................................................... 18

Step 10: Energize the system .......................................................................................................................... 19

4.1 Set up and activate monitoring ........................................................................................................ 19

5. Troubleshooting .......................................................................................................................................... 20

5.1 Status LED indications and error reporting ................................................................................... 20

5.2 Troubleshoot an inoperable microinverter ..................................................................................... 21

5.3 Disconnect a microinverter ............................................................................................................. 22

5.4 Install a replacement microinverter ................................................................................................ 22

5.5 Enphase IQ Cable planning and ordering ...................................................................................... 23

5.6 Enphase IQ Cable accessories .........................................................................................................24

6. Technical data ............................................................................................................................................. 25

6.1 Technical considerations .................................................................................................................. 25

6.2 Bifacial modules ................................................................................................................................. 25

6.3 PQ capability curve ........................................................................................................................... 25

7. Specifications.............................................................................................................................................. 26

7.1 IQ8MC-72-M-INT Microinverter specifications ............................................................................ 26

7.2 IQ8AC-72-M-INT Microinverter specifications .............................................................................. 28

7.3 IQ8HC-72-M-INT Microinverter specifications ............................................................................. 30

7.4 Enphase installation map .................................................................................................................. 32

7.5 Sample wiring diagram ..................................................................................................................... 33

Revision history .................................................................................................................................................... 35

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