Section B - Wiring; Internal View Of Iq System Controller 3 Int - enphase IQ System Controller 3 INT Quick Install Manual

Section B - Wiring

Internal view of
IQ System Controller 3 INT
Once the dead front is removed the IQ System Controller 3 INT
looks like the diagram below.
DIN rails are provided to install breakers. Use conductors (line,
neutral, and ground) and breakers of proper ampacity and
protection requirements according to local codes.
Before connecting the wires, refer to the wiring table, torque
recommendations, and local codes for any specific local
requirements.
IQ Gateway LED status
and buttons explained
on door label and in
Operation section of
this document
Ethernet port
IQ System Controller
LED status explained
in the label on the
dead front
PV lugs
IQ Battery lugs
DER breakers
System shutdown
terminal
Ground terminals
NOTE: Breakers for IQ Battery, mains, and non-backup/
backup loads are not supplied with IQ System Controller 3 INT
and must be purchased separately.
In Australia and New Zealand, the neutral will not be switched.
IQ System Controller 3 INT Quick Install Guide
Ensure to connect the USB cable from controller PCBA to
IQ Gateway before closing the dead front.
Ensure that wires are not pinched while re-attaching the dead
front.
IQ Gateway USB connection
Connect at the time
of installation
Manual
override
Backup load lugs
Non-backup load lugs
Mains lugs
DIN rails
IQ Gateway breaker
(pre-installed and pre-wired)
Non-backup loads breaker
Backup loads breaker
Neutral terminals
Mains breaker
10