enphase IQ System Controller 3 INT

17
IQ System Controller 3 INT Quick Install Guide
Section B - Wiring
* Pre-installed four-pole breaker to be used for PV wiring.
^ Breakers should be sized as per local requirements and procured
separately. They are not supplied with the IQ System Controller 3 INT.
IQ Battery neutral
IQ Battery L1
NOTE: Do not change the IQ Gateway breaker position from
slot number 19 (indicated in dead front).
PV neutral
PV L1
PV
IQ Battery(s)
IQ Battery lug
PV L1
PV breaker*
IQ Battery breaker^
IQ Gateway breaker (pre-installed and pre-wired)
Single-phase home
Field wiring single-phase battery
and one branch of single-phase PV
CONNECTIONS
WIRE SIZES
(Sq.mm)
TORQUE
(N m)
STRIP LENGTH
(mm)
IQ System Controller 3 INT lugs
2.5 - 35
6 12
Neutral and ground bar large
holes
2.5 - 35
5 10
Neutral and ground bar small
holes
2.5 - 16
2.2 10
PV neutral lug (pre-wired to neutral pole on 4-pole breaker)
WARNING! PV neutral must be connected to breaker.
Neutral bar
L1
Legends
Neutral