Table of Contents
Important Safety Information .......................................................................................................................................... 5
Read this First .................................................................................................................................................. 5
Product Labels ................................................................................................................................................. 5
Safety and Advisory Symbols .......................................................................................................................... 5
Safety Instructions ........................................................................................................................................... 5
The Enphase Microinverter System ............................................................................................................................... 8
How the Microinverter Works ........................................................................................................................... 9
System Monitoring ....................................................................................................................................... 9
Optimal Reliability ........................................................................................................................................ 9
Ease of Design ............................................................................................................................................ 9
Compatibility and Capacity ............................................................................................................................ 10
Mechanical Compatibility ........................................................................................................................... 10
Grounding Considerations ......................................................................................................................... 11
Utility Service Requirements...................................................................................................................... 11
Branch Circuit Capacity ............................................................................................................................. 11
Parts and Tools Required .............................................................................................................................. 12
Enphase Equipment .................................................................................................................................. 12
Other Items ................................................................................................................................................ 12
Step 1: Register the System .......................................................................................................................... 14
Step 2: Connect the Envoy ............................................................................................................................ 15
Commissioning and Operation ..................................................................................................................................... 25
Energize the System ...................................................................................................................................... 25
Check the Envoy's progress .......................................................................................................................... 25
Build the Virtual Array .................................................................................................................................... 26
Troubleshooting ........................................................................................................................................................... 27
Startup LED Operation: ............................................................................................................................. 27
Post-Startup LED Indications..................................................................................................................... 27
GFDI Fault ................................................................................................................................................. 28
Other Faults ............................................................................................................................................... 28
Disconnect a Microinverter ............................................................................................................................ 30
Selecting Cable Type ..................................................................................................................................... 32
Connector Spacing Options ........................................................................................................................... 32
Cabling Length Options ................................................................................................................................. 33
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M215 Installation and Operation
141-00012 Rev 06