System use cases for IQ8 Microinverters
Page 3
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IQ8SUC-TB-0006-01-EN-US-2021-11-05
Figure 2: Sunlight Backup single line diagram
Wh
Gateway
Cell
modem
Wireless
comms
Wireless
comms
IQ Combiner 4/4C
IQ System
Controller 2
Essential loads solution
(Required for Sunlight Backup)
Main loads panel
N G
Sub panel
IQ8IQ8IQ8IQ8IQ8
Wireless
PLC
PLC
DPST
Enphase System
Shutdown Switch
NO1
NO2
NC1
NC2
NO3
IQ Load Controller
IQ Load Controller
Essential load 2
Essential load 1
AC to DC
power supply
To utility grid
120/240V single
phase service only
Storage Autotransformer
Generator
Essential load 4
Essential load 3
AC
Combiner
AC to DC
power supply