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Enphase Microinverter Installation
Installing the Enphase Microinverter System involves several key steps. Each step listed here is detailed
in the following pages. Follow the instructions in this section to install Enphase M250 Microinverters.
Step 1: Connect the Envoy
Step 2: Install the AC Branch Circuit Junction Box
Step 3: Plan, Cut, and Position the Enphase Engage Cable
Step 4: Attach the Microinverters to the PV Racking
Step 5: Dress the Enphase Engage Cable
Step 6: Connect the Microinverters
Step 7: Terminate the Unused End of the Engage Cable
Step 8: Connect the Engage Cable to AC Junction Box(es)
Step 9: Complete the Installation Map
Step 10: Connect the PV Modules
DANGER: DO NOT connect or disconnect the PV module and Enphase Microinverter
without first removing AC power from the PV system.
WARNING: DO NOT connect Enphase Microinverters to the utility grid or energize the
AC circuit(s) until you have completed all of the installation procedures as described in
the following sections.
9
2013 Enphase Energy Inc.
M250 Installation and Operation
141-00022 Rev 01
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