Install Manual

Table Of Contents
TECHNICAL BRIEF – North America
© 2020 Enphase Energy Inc. All rights reserved. January 27, 2020
1
Planning a Commercial IQ Microinverter System
The Enphase IQ Microinverter system is inexpensive to install and provides a wide range
of new installation options to solar professionals. The IQ Microinverter system is
available for single-phase and three-phase applications. New components
available as part of this system provide additional options for reducing
Balance of System (BOS) costs and installation complexity. This
planning brief introduces solar installation professionals to the new
components, provides guidance on component selection, and gives tips for
various system design and installation scenarios.
The Enphase Commercial IQ Microinverter system includes the following:
Enphase IQ Series Micros: IQ 6, IQ 6+, IQ 7, IQ 7+ and IQ 7X
Enphase IQ Commercial Envoy
Enphase Q Cable and accessories
Enphase Enlighten and apps
This brief includes the following sections:
IQ Micros on a Three Phase System .............................................................................................................. 2
IQ Commercial Envoy ..................................................................................................................................... 3
Q Cable and IQ Microinverter Accessories ..................................................................................................... 5
Commercial IQ System Design ....................................................................................................................... 9
Multiple IQ Commercial Envoys on a Single Site — Filtering Communication Domains ............................. 14
Splicing Q Cable and Raw Q Cable with Junction Boxes ............................................................................ 18
Wire Management of AC and DC Cables Under Array ................................................................................. 19
AC Wire Management at the Junction Box ................................................................................................... 21
Installing IQ Microinverters with Frame Mount Bracket ................................................................................ 21
Appendix A: Lightning and Surge Suppression in Commercial Systems ..................................................... 22
Appendix B: Phase Loss Protection ............................................................................................................. 23

Summary of content (23 pages)