enphase IQ System Controller 3 User Manual

20
IQ System Controller 3/3G Quick Install Guide
IQ System Controller 3G allows for generator integration with the
Enphase Energy Systems. The breaker on the bottom right slot of
the panel board can be sized and used to integrate the generator.
For generator control and power line schematics, refer to the
generator control section.
The hold-down kit for the breakers is factory installed in the
IQ System Controller 3G. Loosen the screw (use Philips head
screwdriver #1) and pull the hold-down kit arm up, to install the
breakers. After the breaker installation, pull down the hold-down
kit arm and tighten the screw with torque 1.7 lb.in (0.6 N m).
Breakers for IQ8 Systems
with generator
ENPHASE BREAKER PART EATON BREAKER PART TORQUE
BRK-20A-2P-240V BR220
27 lb.in
BRK-40A-2P-240V BR240
BRK-60A-2P-240V BR260
BRK-80A-2P-240V BR280
BRK-20A40A-4P-240V BQC220240
Section B - Mounting the breakers
NOTE:
The cable used to connect IQ Gateway power terminals to
the quad breaker must adhere to local electrical codes.
Hold-down kit screw
Generator breaker
Use the factory-installed hold-
down kit along with a correctly
sized breaker
Hold-down kit arm
NFT and IQ Gateway breaker
Factory installed quad breaker
(Siemens or Eaton). NFT pre-
wired to 40 A terminal of the
quad breaker. Connect
IQ Gateway L1 and L2 to 20 A L1,
L2 terminals of the quad breaker
respectively
Solar breaker
Use the factory-installed
hold-down kit along with a
correctly sized breaker
Pre-wired red and black wires
Connect to storage and solar
breakers
Pre-wired red and black wires
Connect to generator breaker
Storage breaker
Use the factory-installed
hold-down kit along with a
correctly sized breaker
L1 - IQ Gateway
L1 - NFT
L2 - NFT
L2 - IQ Gateway
L1 - NFT
L1 - IQ Gateway
L2 - IQ Gateway
L2 - NFT
Siemens breaker
Eaton breaker

enphase IQ System Controller 3 Specifications

General

Brand	enphase
Model	IQ System Controller 3
Category	Controller
Language	English