Installation Guide

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IQ 6/IQ 6+ Micro Installation and Operation

Table of Contents

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

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

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

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

IQ 6 Microinverter Safety Instructions .............................................................................................................. 5

Enphase Q Aggregator Safety Instructions ...................................................................................................... 8

Enphase Field Wireable Q Connector Safety Instructions ............................................................................... 9

PV Rapid Shutdown Equipment (PVRSE) ....................................................................................................... 9

The Enphase IQ System .............................................................................................................................................. 10

How the Enphase IQ 6 and IQ 6+ Micros Work ............................................................................................. 11

System Monitoring ..................................................................................................................................... 11

Optimal Reliability ...................................................................................................................................... 11

Ease of Design .......................................................................................................................................... 11

Planning for Microinverter Installation .......................................................................................................................... 12

Compatibility .................................................................................................................................................. 12

Grounding Considerations ............................................................................................................................. 12

Branch Circuit Capacity ................................................................................................................................. 13

Utility Service Requirements .......................................................................................................................... 13

Wire Lengths and Voltage Rise ..................................................................................................................... 13

Lightning and Surge Suppression .................................................................................................................. 14

Parts and Tools Required ............................................................................................................................................ 15

Enphase Equipment .................................................................................................................................. 15

Other Items ................................................................................................................................................ 15

Enphase Microinverter Installation ............................................................................................................................... 16

Step 1: Position the Enphase Q Cable........................................................................................................... 17

Step 2: Position the Q Aggregator or Junction Box ........................................................................................ 17

Step 3: Mount the Microinverters ................................................................................................................... 18

Step 4: Create an Installation Map ................................................................................................................. 19

Step 5: Manage the Cabling .......................................................................................................................... 20

Step 6: Connect the Microinverters ................................................................................................................ 20

Step 7: Terminate the Unused End of the Cable ........................................................................................... 21

Step 8: Complete Installation of Junction Box or an Enphase Q Aggregator ................................................. 23

Step 9: Connect the PV Modules ................................................................................................................... 23

Step 10: Energize the System ....................................................................................................................... 24

Set Up and Activate Monitoring ..................................................................................................................... 24

Troubleshooting ........................................................................................................................................................... 25

Status LED Indications and Error Reporting .................................................................................................. 25

LED Operation ........................................................................................................................................... 25

DC Resistance Low – Power Off Condition ............................................................................................... 25

Other Faults ............................................................................................................................................... 26

Troubleshoot an Inoperable Microinverter ..................................................................................................... 27

Disconnect a Microinverter ............................................................................................................................ 28

Install a Replacement Microinverter ............................................................................................................... 29

Ordering Replacement Parts ......................................................................................................................... 31

Enphase Q Cable Planning and Ordering ...................................................................................................... 31

Connector Spacing Options ........................................................................................................................... 31

Cabling Options ............................................................................................................................................. 31

Enphase Q Cable Accessories ...................................................................................................................... 32

Using the Enphase Q Aggregator ................................................................................................................................ 33

Enphase Items ........................................................................................................................................... 33

Other Items ................................................................................................................................................ 33