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IQ System Controller 3 INT Quick Install Guide

Table of contents

Introduction

Section A

Mounting an IQ System Controller 3 INT

Tools/additional items required

Step 1: Plan a location for mounting the unit

Step 2: Minimum clearance

Step 3: Opening the door

Step 4: Mounting the IQ System Controller 3 INT

Step 5: Opening the dead front

Section B - Wiring

Internal view of IQ System Controller 3 INT

Power terminals

Recommended breaker selection

Drill conduits

Single-phase home

Field wiring of mains

Field wiring of loads

Field wiring one branch of single-phase PV

Field wiring single-phase battery and one branch

of single-phase PV

Field wiring two branches of single-phase PV

and single-phase IQ Battery

System eld wiring single-phase battery and

one branch of single-phase PV

Three-phase home

Field wiring of mains

Field wiring of loads

Field wiring three-phase PV

Field wiring three-phase PV and three-phase IQ Battery

Wiring control (CTRL) cable to headers

Control (CTRL) wiring between system components

AUX wiring: PV shedding/load control

Close dead front and install breaker ller plate

Connecting Cellular modem

System Shutdown (SSD) switch wiring

Energize IQ System Controller 3 INT

Operation

Safety

Revision history

enphase IQ System Controller 3 INT User Manual

Questions and Answers: