enphase M215 User manual

Installation and Operations Manual
Enphase Microinverter
Model M215™

Page 2 Copyright Enphase Energy Inc. 2011 141-00012, Rev 02c
Contact Information
Enphase Energy Inc.
201 1St Street
Petaluma, CA 94952
Phone: [phone] Toll Free: 877-797-4743
Fax: [phone]
http://www.enphase.com
[e-mail]
FCC Compliance
This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate radio frequency energy
and, if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and the receiver.
Connect the equipment into an outlet on a circuit different from that to which
the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
Changes or modifications not expressly approved by the party responsible for
compliance may void the user’s authority to operate the equipment.
Other Information
Product information is subject to change without notice. All trademarks are
recognized as the property of their respective owners.
Copyright © 2011 Enphase Energy. All rights reserved.

Page 3 Copyright Enphase Energy Inc. 2011 141-00012, Rev 02c
Table of Contents
Important Safety Information..........................................................................4
Read this Before Installing or Using the M215......................................................4
Safety Instructions...........................................................................................4
The Enphase Microinverter System...................................................................5
How the Microinverter Works.............................................................................6
System Monitoring ........................................................................................6
Optimal Reliability .........................................................................................6
Ease of Design..............................................................................................6
Enphase Microinverter Installation....................................................................7
Compatibility and Capacity ................................................................................7
Parts and Tools Required...................................................................................8
Lightning Surge Suppression .............................................................................8
Installation Procedure.......................................................................................9
Step 1 –Measure AC at the Electrical Utility Connection........................................9
Step 2 –Install the AC Branch Circuit Junction Box ............................................10
Step 3 –Position the Enphase Engage Cable......................................................11
Step 4 –Attach the Microinverters to the PV Racking..........................................12
Step 5 –Dress the Engage Cable .....................................................................13
Step 6 –Terminate the Unused End of the Engage Cable ....................................15
Step 7 –Connect the Engage Cable to AC Junction Box(es).................................16
Step 8 –Ground the System ...........................................................................17
Step 9 –Complete the Paper Map ....................................................................18
Complete the Enphase Map ..........................................................................18
Alternative: Create Your Own Map................................................................18
Step 10 –Connect the PV Modules ...................................................................18
Step 11 –Build the Virtual Array......................................................................19
Commissioning and Operation ....................................................................... 20
Commissioning ..............................................................................................20
Operating Instructions ....................................................................................20
Troubleshooting........................................................................................... 21
Status LED Indications and Error Reporting .......................................................21
Startup LED Operation:................................................................................21
GFDI Fault: ................................................................................................21
Other Faults: ..............................................................................................21
Troubleshooting an Inoperable Microinverter .....................................................22
Disconnecting a Microinverter from the PV Module..............................................23
Installing a Replacement Microinverter..............................................................24
Technical Data............................................................................................. 25
Technical Considerations.................................................................................25
Technical Specifications ..................................................................................26
Enphase M215 Microinverter Parameters........................................................26
Enphase Installation Map ................................................................................28
Sample Wiring Diagram –M215, 240 Vac..........................................................29
Sample Wiring Diagram –M215, 208 Vac..........................................................30

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