enphase IQ Combiner 4 Quick Install Manual

Q U I C K I N S T A L L G U I D E
Installing the Enphase IQ Combiner 4 and
Enphase IQ Combiner 4C
How It Works
The Enphase IQ Combiner 4
and/or the IQ Combiner 4C combine up to
four AC branch circuits of Enphase IQ
Series Microinverters and/or Enphase
IQ Battery batteries.
To install the IQ Combiner 4 or 4C, read
and follow all warnings and instructions in this guide.
Safety warnings are listed on the back of this guide.
If you do not fully understand any of the concepts,
terminology, or hazards outlined in these instructions, refer
installation to a qualified electrician or installer. These instructions
are not meant to be a complete explanation of a renewable energy system.
All installations must comply with national and local electrical codes.
Professional installation is recommended.
The IQ Combiner 4C and 4 have an outdoor-rated, NRTL-certified
NEMA type 3R enclosure containing an Enphase IQ Gateway™, circuit breakers,
a pair of split-core consumption metering CTs, and wiring for IQ Gateway connections.
The IQ Combiner 4C includes a Enphase Mobile Connect™ LTE-M1
cell modem. Use the IQ Combiner 4C for single-phase applications and to support the
AC connections needed for an Enphase residential solar installation.
PREPARATION
A ) Download the Enphase Installer App version 3.X mobile app and open it
to log on to your Enphase App account. With this app, you can connect to
the IQ Gateway to track system installation progress. To download, go to
enphase.com/toolkit.
B) Check the box for the following items:
Enphase IQ Combiner 4 or 4C with IQ Gateway printed circuit board.
•
The X-IQ-AM1-240-4C also includes an LTE-M1 cell modem.
A pair of split-core consumption metering CTs
•
Enphase IQ Combiner 4/4C Quick Install Guide (this document)
•
C ) Make sure you have the following required items:
An Ensemble Communications Kit (COMMS-KIT-01 ) is not included. It is required for
•
all Ensemble installations and must be purchased separately. (only for installations
with IQ battery or IQ System Controller)
• Tools: screwdriver, pliers, and torque wrench.
• Up to four Eaton BR-style breakers (one for each PV branch circuit). Eaton BR-style
breakers are the only breakers you can use. You can install 10A, 15A, 20A, 30A, 40A,
50A, or 60A breaker(s) in the IQ Combiner (order Enphase BRK-10A-2-240V, BRK-
15A-2-240V, BRK-20A-2P-240V, Eaton BR210, Eaton BR215, Eaton BR220, Eaton
BR230, Eaton BR240, Eaton BR250, and/or Eaton BR260 circuit breakers). The sum
of all Distributed Energy Resources (DER) branch breaker ratings cannot exceed 80
A. For IQ8 systems with IQ System Controller, use BRK-15A-2P-240-B for 15A cir-
cuits and BRK-20A-2P-240-B for 20A circuits to be compatible with the hold down
kit. You can also use Eaton BR215B and Eaton BR220B breakers for IQ8 systems.
The IQ Gateway breaker should not exceed 10 A and is counted separately (total
90A worth of breakers).
• Up to two hold-down kits with screws for the breakers. Each hold-down kit (X-IQ-NA-
HD-125A) will allow installation of up to two breakers located on the same side of the
busbar (Only for IQ8 PV installations with IQ System Controller).
• Overcurrent protection in the load center in accordance with NFPA
70, §705.12.and NEC 690
• Suitable mounting hardware: use #8 (or larger) screws that are long enough to
secure the unit to the vertical mounting surface
• Copper conductors rated for wet locations and sized to meet local code require-
ments and voltage drop/rise considerations. Wire sizes and torque values are
listed on the door of the unit.
• UL-listed rain-tight conduit hubs for wire entry into the enclosure.
D ) For consumption metering, check that there is enough space in the load
center to install CTs. Do not install the CTs in a panel where they exceed
75% of the wiring space of any cross-sectional area within the load center.
E ) Decide how to connect the IQ Gateway to the Internet: Use Wi-Fi, and
Enphase Mobile Connect modem, or Ethernet. Then, make sure you have
the following optional items, if needed:
(Model X-IQ-AM1-240-4C and X-IQ-AM1-240-4)
Enphase Cloud
Enphase Mobile Connect modem (included with X-IQ-AM1-240-4C)
•
Ethernet over power line communication (PLC) bridge with Ethernet cables (or-
•
der EPLC-01). If you choose this option, you must install an Enphase accessory
receptacle (order XA-PLUG-120-3) inside the IQ Combiner 4/4C.
Ethernet cable: 802.3, Cat5E or Cat6, unshielded twisted pair (UTP). Do not
•
use shielded twisted pair (STP) cable. You must install a ferrite bead (we
recommend Fair-Rite 0431167281) as close as possible to the IQ Gateway
on the Ethernet cable.
When installing with an Ensemble system, both Enphase Mobile Connect mo-
dem, and additional internet connection (wifi or ethernet) are required.
F ) Make note of the IQ Gateway serial number on the installation map. Later,
you will need to enter this number in Installer App. You can type it in manually
or scan the label on the inside of the combiner door. Always keep a copy of
the installation map for your records.
G ) Note that installation of the IQ Combiner 4/4C has two parts: To ensure
successful device detection, complete Part 2 after installing any Enphase IQ
Microinverter, Enphase IQ Battery and/or Enphase IQ System Controller.
LOAD CENTER
L1
C T
TO PV TO MAIN
CENTER
IMPORTANT: The IQ Gate-
way inside the IQ Combiner is
required to monitor performance
of the IQ microinverters and to
communicate with IQ Battery and
IQ System Controller.
Generator
(optional)
(reserved for future use*)
IQ GATEWAY
RECOMMENDED ETHERNET
CABLE ROUTING
Note: On grid forming IQ-8
Systems the IQ Gateway L1 and
L2 must NOT be wired to the
combiner circuit breaker.
The IQ Gateway L1 and L2 may
be wired to:
-- A double pole breaker on the
generator breaker spot in
IQ System Controller if the
spot is unused, or
-- A double pole breaker on the
backed-up loads sub-panel, or
-- A quadplex (BQ220240 or
BQ215240) breaker on the NFT
breaker position in IQ System
Controller.
Refer to the Quick Install Guide
for details.
Junction
clip
L2
MAIN
LUG
NE Filter
Board
AC
NEUTRAL
TO IQ
LOAD BAT TERY / PV
IQ Sytem
Controller
(IF PV, MUST PASS THROUGH
PRODUC TION C T )
TO