Important Safety Information
Read this First
This manual contains important instructions for use during installation and maintenance of the Enphase M215 and
M250 Microinverters™.
Product Labels
The following symbols appear on the product label and are described here:
WARNING: Hot surface.
DANGER: Risk of electric shock.
Refer to product instructions.
Safety and Advisory Symbols
To reduce the risk of electric shock, and to ensure the safe installation and operation of the Enphase® Microinverter,
the following safety symbols appear throughout this document to indicate dangerous conditions and important safety
instructions.
DANGER! This indicates a hazardous situation, which if not avoided, will result in death or serious injury.
WARNING! This indicates a situation where failure to follow instructions may be a safety hazard or cause
equipment malfunction. Use extreme caution and follow instructions carefully.
WARNING! This indicates a situation where failure to follow instructions may result in burn injury.
NOTE: This indicates information particularly important for optimal system operation. Follow instructions
closely.
Safety Instructions
General Safety
CAUTION: Before installing or using the Enphase Microinverter, read all instructions and cautionary markings
in the technical description, on the Enphase Microinverter System, and on the photovoltaic (PV) equipment.
DANGER: Risk of electric shock. Do not use Enphase equipment in a manner not specified by the
manufacturer. Doing so may cause death or injury to persons, or damage to equipment.
DANGER: Risk of electric shock. Be aware that installation of this equipment includes risk of electric shock. Do
not install the AC junction box without first removing AC power from the Enphase System.
DANGER: Risk of electric shock. The DC conductors of this photovoltaic system are unearthed and may be
energised.
WARNING: Risk of electric shock. Always de-energise the AC branch circuit before servicing. Never
disconnect the DC connectors under load.
WARNING: Risk of electric shock. Risk of fire. Only use electrical system components approved for wet
locations.
WARNING: Risk of electric shock. Risk of fire. Only qualified personnel should troubleshoot, install, or replace
Enphase Microinverters or the Engage Cable and Accessories.
WARNING: Risk of electric shock. Risk of fire. 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: Risk of electric shock. Risk of fire. 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.
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