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M215 Installation and Operation
WARNING: The body of the Enphase Microinverter is the heat sink. Under normal operating
conditions, the temperature is 15°C above ambient, but under extreme conditions the microinverter
can reach a temperature of 80°C. To reduce risk of burns, use caution when working with
microinverters.
WARNING: When pairing with an M215 (M215-60-2LL-S22-IG / S23-IG / S24-IG), the PV module
DC conductors must be labeled "PV Wire" or "PV Cable".
WARNING: If the AC cable on the microinverter is damaged, do not install the unit.
WARNING: You must match the DC operating voltage range of the PV module with the allowable
input voltage range of the Enphase Microinverter.
WARNING: The maximum open circuit voltage of the PV module must not exceed the specified
maximum input DC voltage of the Enphase Microinverter.
WARNING: The M215 has field-adjustable voltage and frequency trip points that may need to be
set, depending upon local requirements. Only an authorized installer with the permission and
following requirements of the local electrical authorities should make adjustments.
WARNING: Only use electrical system components approved for wet locations.
WARNING: Only qualified personnel should troubleshoot, install, or replace Enphase
Microinverters or the Engage Cable and Accessories.
WARNING: Make sure protective sealing caps have been installed on all unused AC connectors.
Unused AC connectors are live when the system is energized by the grid. Sealing caps may not be
reused.
WARNING: Ensure that all AC and DC wiring is correct and that none of the AC or DC wires are
pinched or damaged. Ensure that all AC junction boxes are properly closed.
WARNING: The microinverter must be installed under the module, out of rain and sun. Do not
mount the microinverter in a position that allows long-term exposure to direct sunlight or in a
vertical orientation that allows water to collect in the DC connector recess. Do not install the
microinverter black side up or vertically, with the DC connectors facing up.
WARNING: When installing the Engage Cable, secure any loose cable to minimize tripping hazard.
WARNING: Do not leave AC connectors on the Engage Cable uncovered for an extended period. If
you do not plan to replace the microinverter immediately, you must cover any unused connector
with a sealing cap. Sealing caps may not be reused.
WARNING: Do not exceed the maximum number of microinverters in an AC branch circuit as listed
in the manual. You must protect each microinverter AC branch circuit with a 20A maximum
breaker.
WARNING: Do not connect Enphase Microinverters to the grid or energize the AC circuit(s) until
you have completed all of the installation procedures and have received prior approval from the
electrical utility company.
WARNING: Do not attempt to repair the Enphase Microinverter; it contains no user-serviceable
parts. If it fails, contact Enphase customer service to obtain an RMA (return merchandise
authorization) number and start the replacement process. Tampering with or opening the Enphase
Microinverter will void the warranty.
WARNING: Be aware that only qualified personnel may connect the Enphase Microinverter to the
utility grid.
WARNING: Use the terminator only once. If you open the terminator following installation, the
latching mechanism is destroyed. Do not reuse the terminator. Do not circumvent or manipulate the
latching mechanism.
WARNING: When stripping the sheath from the Engage Cable, make sure that the conductors are
not damaged. If the exposed wires are damaged, the system may not function properly.
2014 Enphase Energy Inc. All rights reserved.
6
141-00012 Rev 06
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