Table Of Contents - enphase Q 7 Micro Installation And Operation Manual

Microinverters

Table of Contents

Important Safety Information .......................................................................................................................................... 5

Read this First .................................................................................................................................................. 5

Product Labels ................................................................................................................................................. 5

Safety and Advisory Symbols........................................................................................................................... 5

IQ 7 Microinverter Safety Instructions .............................................................................................................. 5

PV Rapid Shutdown Equipment (PVRSE) ....................................................................................................... 7

The Enphase IQ System................................................................................................................................................. 8

How the Enphase IQ Series Micros Work ........................................................................................................ 9

System Monitoring ....................................................................................................................................... 9

Optimal Reliability ........................................................................................................................................ 9

Ease of Design ............................................................................................................................................. 9

Planning for Microinverter Installation........................................................................................................................... 10

Compatibility ................................................................................................................................................... 10

Grounding Considerations.............................................................................................................................. 10

Branch Circuit Capacity .................................................................................................................................. 11

Utility Service Requirements .......................................................................................................................... 11

Wire Lengths and Voltage Rise ...................................................................................................................... 11

Lightning and Surge Suppression .................................................................................................................. 12

Parts and Tools Required ............................................................................................................................................. 13

Enphase Equipment ................................................................................................................................... 13

Other Items ................................................................................................................................................ 13

Enphase Microinverter Installation................................................................................................................................ 14

Step 1: Position the Enphase Q Cable ........................................................................................................... 15

Step 2: Position the Junction Box................................................................................................................... 15

Step 3: Mount the Microinverters ................................................................................................................... 16

Step 4: Create an Installation Map ................................................................................................................. 17

Step 5: Manage the Cabling ........................................................................................................................... 18

Step 6: Connect the Microinverters ................................................................................................................ 18

Step 7: Terminate the Unused End of the Cable............................................................................................ 19

Step 8: Complete Installation of Junction Box ................................................................................................ 20

Step 9: Connect the PV Modules ................................................................................................................... 20

Step 10: Energize the System ........................................................................................................................ 21

Set Up and Activate Monitoring ...................................................................................................................... 21

Troubleshooting ............................................................................................................................................................ 22

Status LED Indications and Error Reporting .................................................................................................. 22

LED Operation ........................................................................................................................................... 22

DC Resistance Low - Power Off Condition ............................................................................................... 22

Other Faults ............................................................................................................................................... 23

Troubleshoot an Inoperable Microinverter...................................................................................................... 24

Disconnect a Microinverter ............................................................................................................................. 25

Install a Replacement Microinverter ............................................................................................................... 26

Ordering Replacement Parts .......................................................................................................................... 28

Enphase Q Cable Planning and Ordering ...................................................................................................... 28

Connector Spacing Options ........................................................................................................................... 28

Cabling Options .............................................................................................................................................. 28

Enphase Q Cable Accessories....................................................................................................................... 29

Technical Data .............................................................................................................................................................. 30

Technical Considerations ............................................................................................................................... 30

Specifications ................................................................................................................................................. 31

IQ7-60-2-US Microinverter Specifications .................................................................................................. 31

IQ7PLUS-72-2-US Microinverter Specifications ........................................................................................ 34

IQ7X-96-2-US Microinverter Specifications ............................................................................................... 36

IQ 7 / IQ 7+ / IQ 7X Micro Installation and Operation

141-00043-02