Table of Contents
Important Safety Information ......................................................................................................................... 4
Read this First .................................................................................................................................................. 4
Safety Instructions ........................................................................................................................................... 4
How the Microinverter Works ........................................................................................................................... 6
System Monitoring ....................................................................................................................................... 6
Optimal Reliability ........................................................................................................................................ 6
Ease of Design ............................................................................................................................................ 6
Compatibility and Capacity .............................................................................................................................. 7
Electrical Compatibility ................................................................................................................................ 7
Branch Circuit Capacity ............................................................................................................................... 7
Parts and Tools Required ................................................................................................................................ 8
Enphase Equipment .................................................................................................................................... 8
Other Items .................................................................................................................................................. 8
Step 5: Ground the System ............................................................................................................................ 14
Commissioning and Operation .................................................................................................................... 20
Energize the System ...................................................................................................................................... 20
Build the Virtual Array .................................................................................................................................... 20
M215 Operation ............................................................................................................................................. 20
Troubleshooting .......................................................................................................................................... 21
Startup LED Operation: ............................................................................................................................. 21
Post-Startup LED Indications..................................................................................................................... 21
GFDI Fault ................................................................................................................................................. 21
Other Faults ............................................................................................................................................... 21
Technical Data ............................................................................................................................................ 26
Technical Considerations ............................................................................................................................... 26
M215 Specifications ....................................................................................................................................... 26
Engage Cable Specifications ......................................................................................................................... 28
Selecting Cable Type ................................................................................................................................ 29
Connector Spacing Options ....................................................................................................................... 29
Racking Compatibility ................................................................................................................................ 30
Cabling Length Options ............................................................................................................................. 30
Enphase Installation Map ............................................................................................................................... 32
M215 Dimensions .......................................................................................................................................... 33
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2013 Enphase Energy Inc.
M215 Installation and Operation
141-00012 Rev 05