Section B - Wiring
Single-phase home
Field wiring single-phase battery
and one branch of single-phase PV
PV neutral
PV L1
NOTE: Do not change the IQ Gateway breaker position from
slot number 19 (indicated in dead front).
IQ System Controller 3 INT Quick Install Guide
C O N N E C T I O N S
IQ System Controller 3 INT lugs
Neutral and ground bar large
holes
Neutral and ground bar small
holes
Legends
IQ Battery neutral
IQ Battery L1
PV
* 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.
W I R E S I Z E S
(Sq. m m )
2.5 - 35
2.5 - 35
2.5 - 16
PV L1
IQ Battery lug
PV neutral lug (pre-wired to neutral pole on 4-pole breaker)
Neutral bar
PV breaker*
IQ Battery breaker^
IQ Gateway breaker (pre-installed and pre-wired)
WARNING! PV neutral must be connected to breaker.
L1
Neutral
IQ Battery(s)
TO R Q U E
S T R I P L E N G T H
( N m )
(m m )
6
12
5
10
2.2
10
17
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