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IQ System Controller 3 INT Quick Install Guide
Energize IQ System Controller 3 INT
DANGER: Risk of electric shock. There are many potential
sources of voltage. Check any IQ Battery, PV, or other
generation source for voltage.
WARNING! Risk of equipment damage. Do not wire the
IQ System Controller 3 INT when it is energized.
You must ensure that all electrical circuits external to
IQ System Controller 3 INT are completed, safely terminated,
and connected to the correct phase and neutral connection
before energizing the IQ System Controller 3 INT.
NOTE: If you are not commissioning the system, you must
ensure that the DC switches on all IQ Batteries are turned o to
avoid the depletion of charge on the IQ Batteries.
If you plan to commission the system, follow the instructions
in the Enphase Installer App for energizing the IQ System
Controller 3 INT.
Energize the circuit feeding the IQ System Controller 3 INT.
If installed, turn the breaker feeding the IQ System Controller 3
INT to the ON position.
• Turn on the SSD switch
• Turn on mains breaker
• Turn on backup and non backup loads breaker
• Turn on PV breakers
• Turn on battery breaker
• Turn on the DC switch on each IQ Battery
Close and secure the dead front and door of the
IQ System Controller 3 INT.
A.
C.
D.
B.
Congure and activate
• Use the Enphase Installer App to commission the
IQ System Controller 3 INT.
• If you do not see the IQ System Controller 3 INT
information in Enphase Installer App, check that the
IQ Gateway AP mode light is green. If not, press the AP
mode button and follow the instructions in Enphase
Installer App to connect the phone to the IQ Gateway’s
Wi-Fi network.
• Once connected to the IQ Gateway, refer to the Enphase
Installer App help topics for more information.
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