Contents
Important safety information ...........................................................................................................................5
Read this first ..................................................................................................................................................5
Product labels.................................................................................................................................................5
Safety and advisory symbols .......................................................................................................................5
Anti-islanding methodology ........................................................................................................................9
The Enphase IQ System ................................................................................................................................... 10
System monitoring ........................................................................................................................................ 11
Optimal reliability .......................................................................................................................................... 11
Ease of design ................................................................................................................................................ 11
Compatibility ................................................................................................................................................ 12
Grounding considerations .......................................................................................................................... 12
Branch circuit capacity ............................................................................................................................... 13
Utility service requirements ....................................................................................................................... 13
Wire lengths and voltage rise..................................................................................................................... 13
Parts and tools required ................................................................................................................................. 15
Enphase equipment ..................................................................................................................................... 15
Other items ................................................................................................................................................... 15
Step 1: Position the IQ Cable ...................................................................................................................... 17
Step 5: Manage the cabling ........................................................................................................................ 19
Troubleshooting .............................................................................................................................................. 26
LED operation .......................................................................................................................................... 26
3
IQ8MC/IQ8AC/IQ8HC Microinverters Installation and Operation Manual
© 2023 Enphase Energy Inc. All rights reserved.
October 2023
USM-00008-1.0