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enphase IQ System Controller 3 INT User Manual

enphase IQ System Controller 3 INT
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24
IQ System Controller 3 INT Quick Install Guide
Section B - Wiring
NOTE: Do not change the IQ Gateway breaker position from
slot number 19 (indicated in dead front).
PV neutral
PV L1, L2, and L3
PV
IQ Battery lugs
PV neutral lug (pre-wired to neutral pole on 4-pole breaker)
PV lugs
PV breaker*
IQ Battery breaker^
IQ Gateway breaker (pre-installed and pre-wired)
* 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(s)
IQ Battery neutral
IQ Battery(s)
IQ Battery(s)
IQ Battery L1, L2, and L3
WARNING! Do not daisy chain neutral wire across batteries
on dierent phases.Each phase of batteries must have a
separate neutral wire that is terminated on the neutral bar in
the IQ System Controller 3 INT.
Three-phase home
Field wiring three-phase PV and three-phase IQ Battery
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
Neutral bar
WARNING! PV neutral must be connected to breaker.
L1
Legends
L2 Neutral
L3

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enphase IQ System Controller 3 INT Specifications

General IconGeneral
Brandenphase
ModelIQ System Controller 3 INT
CategoryController
LanguageEnglish

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