User's Manual

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Contents
IMPORTANT SAFETY INFORMATION ......................................................................3
Safety Symbols ..................................................................................................................................... 3
Safety Instructions ................................................................................................................................ 3
ABOUT UBIQUITI MICRO INVERTERS ....................................................................5
General Overview ................................................................................................................................. 5
Advantages of UBIQUITI Micro Inverters ............................................................................................ 5
TECHNICAL SPECIFICATIONS ................................................................................................................ 6
BEFORE INSTALLATION ..............................................................................................7
Layout PV System ................................................................................................................................. 7
Compatibility and Capacity .................................................................................................................. 7
Utility Service Requirements ............................................................................................................... 7
Lightning Surge Suppression ................................................................................................................ 7
AC Cable terminal connector ............................................................................................................... 8
UBIQUITI SM-MI-250 INSTALLATION PROCEDURE ..........................................9
Important Notification.....................................................................................................14
GFDI fault ............................................................................................................................................ 14
Disconnecting a Micro Inverter .......................................................................................................... 14