enphase IQ System Controller 3 INT

20
IQ System Controller 3 INT Quick Install Guide
Section B - Wiring
PV neutral
PV neutral
PV L1
PV L1
IQ Battery
neutral
IQ Battery(s)
IQ Battery L1
IQ Battery lug
PV L1
PV breaker
IQ Battery breaker
Single-phase home
System eld wiring single-phase battery
and one branch of single-phase PV
PV neutral lug (pre-wired to neutral pole on 4-pole breaker)
Neutral bar
Utility
grid
Main
Switch
Utility
meter
Mains L1
Mains breaker
IQ Gateway breaker (pre-installed and pre-wired)
PE from
mains panel
Neutral from mains panel
Earth bar
PV
PV
Neutral
from
backup
panel
Neutral from
non-backup
panel
Backup loads
Non-backup loads
Non-backup L1
Backup L1
Backup breaker
Non-backup breaker
L1
Legends
Neutral
Protective earth (PE)