enphase IQ Combiner 3 Manuale utente
2 IQ System Controller 3/3G Quick Install Guide
The third generation of the IQ System Controller features the
following variants: the IQ System Controller 3 (SC200D111C240US01)
and the IQ System Controller 3G (SC200G111C240US01).
IQ System Controller 3 and IQ System Controller 3G are not
interchangeable in the eld.
The IQ System Controller 3G supports one PV and one IQ Battery 5P
port. A third distributed energy resource (DER) port is dedicated to
generator integration which is interlocked via hardware with the MID.
IQ System Controller 3 supports additional IQ Battery 5P on the third
DER port.
To install the IQ System Controller and wall-mount bracket, read and
follow all warnings and instructions in this guide and documents at
enphase.com/support.
To access the latest technical brief and user guides for generator
integration, see the Generator Support page at https://enphase.
com/installers/storage/generator.
Safety warnings are listed at the end of this guide. These instructions
are not meant to be a complete explanation of how to design and
install an energy storage system. All installations must comply with
national and local electrical codes and standards. Only qualied
electricians shall install, troubleshoot, or replace the IQ System
Controller 3/3G.
IQ System Controller 3/3G Quick Install Guide 3
Table of contents
Scenario 1
Full Energy Independence conguration
Whole Home backup with IQ System Controller 3
Scenario 1a
Full Energy Independence conguration
Whole Home backup with IQ System Controller 3G
Scenario 2
Home Essentials Backup conguration
Partial Home backup with IQ System Controller 3
Scenario 2a
Home Essentials Backup conguration
Partial Home backup with IQ System Controller 3G
Scenario 3
Sunlight Backup
Scenario 3a
Sunlight Backup with generator
What’s in the box
Tools/additional items required
Section A
Mounting the product
Plan a location for the IQ System Controller
Step 1: Minimum clearance
Step 2: Install the mounting bracket
Step 3: Open the dead front
Section B
Mounting the breakers
Internal view of IQ System Controller 3/3G
Wiring for service entrance
Install main and backup breakers
Breakers for IQ8 Systems without generator
Breakers for IQ8 Systems with generator
Section C
Wiring
Drill conduits
DER wiring
Aux wiring: System Shutdown Switch
Aux wiring: IQ Load Controller
Aux wiring: Generator control
Main/supply side wiring
Backup loads wiring
CT wiring
Wiring control (CTRL) cable to headers
Control (CTRL) wiring between system components
Close and energize IQ System Controller
Safety
Revision history
4 IQ System Controller 3/3G Quick Install Guide
With the exibility oered by Enphase Energy System, customers
can choose to install a system that caters to their current and future
energy needs.
The following illustrative scenarios showcase some of the capabilities:
Scenario 1
Note: The System Shutdown Switch is not used for IQ6, IQ7, and M Series
systems. Refer to the System Shutdown wiring section for details.
This gure shows the system conguration. For wiring,
follow the details in the wiring section.
Whole Home backup
with IQ System Controller 3
This is the preferred conguration for the backup of the entire main
load panel. This conguration supports up to an 80 A breaker for PV
and up to 2x 80 A breakers for the IQ Batteries.
The microinverter ranges supported in this conguration are IQ8 or
IQ6/7 or M Series.
IQ System Controller 3/3G Quick Install Guide 5
Scenario 1a
Whole Home backup with
IQ System Controller 3G
This is the preferred conguration for the backup of the entire main
load panel. This conguration supports up to an 80 A breaker each
for the PV, IQ Battery, and generator (optional).
The microinverter ranges supported in this conguration are IQ8 or
IQ6/7 or M Series.
Note: The System Shutdown Switch is not used for IQ6, IQ7, and M Series
systems. Refer to the System Shutdown wiring section for details.
Additional wiring and components are required when integrating generators.
Refer to the Generator integration page for technical briefs and guides
https://enphase.com/installers/storage/generator.
This gure shows the system conguration. For wiring,
follow the details in the wiring section.
6 IQ System Controller 3/3G Quick Install Guide
Scenario 2
Partial Home backup with
IQ System Controller 3
This is the preferred conguration for partial home backup with
PV and IQ Batteries.
The microinverter ranges supported in this conguration are IQ8 or
IQ6/7 or M Series.
Note: The System Shutdown Switch is not used for IQ6, IQ7, and M Series
systems. Refer to the System Shutdown wiring section for details.
This gure shows the system conguration. For wiring,
follow the details in the wiring section.
IQ System Controller 3/3G Quick Install Guide 7
Scenario 2a
Partial Home backup with
IQ System Controller 3G
This is the preferred conguration for partial home backup with
PV and IQ Batteries. A generator can be integrated with IQ System
Controller 3G based on the homeowner’s needs.
The microinverter ranges supported in this conguration are IQ8 or
IQ6/7 or M Series.
Note: The System Shutdown Switch is not used for IQ6, IQ7, and M Series
systems. Refer to the System Shutdown wiring section for details.
Additional wiring and components are required when integrating generators.
Refer to the Generator integration page for technical briefs and guides
https://enphase.com/installers/storage/generator.
This gure shows the system conguration. For wiring,
follow the details in the wiring section.
8 IQ System Controller 3/3G Quick Install Guide
Partial Home backup with
Sunlight Backup
This is the preferred conguration for partial home backup using only
IQ8 PV i.e., Sunlight Backup. IQ Battery can be integrated with IQ System
Controller 3 based on the homeowner’s needs.
It is recommended that installers use two IQ Load Controllers for
load control to ensure seamless backup of essential loads using
IQ8 Microinverters. At least one IQ Load Controller is required to
successfully commission a Sunlight Backup system.
Do not install a Sunlight Backup system for a whole home backup
scenario.
This conguration can only be supported with IQ8 Series Microinverters.
Scenario 3
This gure shows the system conguration. For wiring,
follow the details in the wiring section.
IQ System Controller 3/3G Quick Install Guide 9
Partial Home backup with Sunlight
Backup and generator
This is the preferred conguration for partial home backup using only
IQ8 PV i.e., Sunlight Backup. A generator can be integrated with IQ System
Controller 3G based on the homeowner’s needs.
It is recommended that installers use two IQ Load Controllers for load
control to ensure seamless backup of essential loads using IQ8 Series
Microinverters. At least one IQ Load Controller is required to successfully
commission a Sunlight Backup system.
Do not install a Sunlight Backup system for a whole home backup
scenario.
This conguration can only be supported with IQ8 Series Microinverters.
Note: The System Shutdown Switch is not used for IQ6, IQ7, and M Series
systems. Referto the System Shutdown wiring section for details.
Additional wiring and components are required when integrating generators.
Refer to the Generator integration page for technical briefs and guides
https://enphase.com/installers/storage/generator.
Scenario 3a
This gure shows the system conguration. For wiring,
follow the details in the wiring section.
10 IQ System Controller 3/3G Quick Install Guide
What’s in the box
IQ System Controller 3/3G Wall-mounting bracket System Shutdown Switch
Comes pre-wired with 4 x 20 ft.
color-coded wires.
Accessory kit
ITEM NAME ITEM CATEGORY DESCRIPTION QUANTITY
Filler Cover Mounting BKT-L 200G Enpower Plastic part Filler Cover Mounting BKT-L 200G 2
Filler Cover Mounting BKT-R 200G Enpower Plastic part Filler Cover Mounting BKT-R 200G 2
Screw, Pan Hd, Phillips #3, M6 x 25 mm Lg (5 mm
Shank - 20 mm Thread), Machine, 304 SS Fastener
Screw, Pan Hd, Phillips #3, M6 x 25 mm
Lg (5 mm Shank - 20 mm Thread),
Machine, 304 SS
2
Screw, Pan Hd, Torx X20, Machine,
#8-32 UNC, 0.63" Lg, A2-70 Fastener Screw, Pan Hd, Torx X20, Machine,
#8-32 UNC, 0.63" Lg, A2-70 1
Lit Kit Label, Enpower 200G Label Lit Kit Label, IQ System Controller 200G 1
Label, Enpower, CT Field Label 6
Label, Enpower, PCS Field Label 2
Feed-through header with Cable Assy Header
Enpower 200G R2 Cable assembly System Shutdown feed-through
header with cable assembly 1
NEC Labels for Rapid Shutdown Label Labels required as per NEC
for Rapid Shutdown 2
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