Table Of Contents - enphase IQ8MC Installation And Operation Manual

Ac module

Installation and operation manual (41 pages)

Installation and operation manual (35 pages)

Installation and operation manual (41 pages)

Table of Contents

Contents

Corporate headquarters contact information ...................................................................................................2

Other information. ..............................................................................................................................................2

Note for third-party products ...........................................................................................................................2

Audience ..............................................................................................................................................................2

Important safety information ............................................................................................................................... 5

IQ8MC, IQ8AC and IQ8HC Microinverter safety instructions ..................................................................... 5

The Enphase Energy System ................................................................................................................................ 9

How does the IQ8 Series Microinverter work ............................................................................................... 10

System monitoring .................................................................................................................................................... 10

Optimal reliability ....................................................................................................................................................... 10

Ease of design ............................................................................................................................................................ 10

Planning for microinverter installation ............................................................................................................... 11

Parts and tools required ...................................................................................................................................... 13

Enphase microinverters installation .................................................................................................................. 14

Step 1: Install a junction box ............................................................................................................................. 14

Step 2: Position the IQ Cable ........................................................................................................................... 15

Step 3: Terminate the unused end of the cable ............................................................................................ 15

Step 4: Prepare the AC Module ....................................................................................................................... 17

Step 5: Use the serial number labels to create the installation map ........................................................... 18

Step 6: Mount the AC Module .......................................................................................................................... 18

Step 7: Connect the microinverters as you install the AC Modules ............................................................. 18

Step 8: Manage the cabling .............................................................................................................................. 19

Step 9. Ground the AC Modules ....................................................................................................................... 19

Step 10: Energize the system .......................................................................................................................... 20

Step 11: Set up and activate monitoring ........................................................................................................ 20

Troubleshooting .................................................................................................................................................... 21

Status LED indications and error reporting .................................................................................................. 21

LED operation ............................................................................................................................................................ 21

DC Resistance Low - Power Off condition ........................................................................................................... 21

Other faults ............................................................................................................................................................... 22

Troubleshooting a non-functional microinverter ....................................................................................... 22

Disconnecting a microinverter ...................................................................................................................... 23

Removing and replacing a microinverter ...................................................................................................... 23

IQ Cable planning and ordering..................................................................................................................... 25

IQ Cable accessories ....................................................................................................................................... 25

Technical data ....................................................................................................................................................... 27

Technical considerations ................................................................................................................................. 27

Bifacial modules ................................................................................................................................................ 27

Anti-islanding .................................................................................................................................................... 27

PQ capability curve .......................................................................................................................................... 27

Specifications ....................................................................................................................................................... 28

IQ8MC-72-M-ACM-INT Microinverter specifications ................................................................................ 28

IQ8MC, IQ8AC, and IQ8HC Installation and Operation Manual

November 2023

USM-00006-2.0