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  Q U I C K

  I N S T A L L  

G U I D E

 

Installing the 

Enphase IQ8D Commercial Gateway

To install the Enphase IQ8D™ Commercial Gateway™, read and follow all warnings and instructions in this Guide. Safety warnings are 
listed on the back of this guide.

IMPORTANT

: The Enphase IQ8D Commercial Gateway should not be used with previous generation Microinverters. It should only be used 

with Enphase IQ8D™ Microinverters (IQ8D-72-E-US). 

PREPARATION

A )  Download the Enphase Installer App and open it to log in to 

your Enphase Installer App account. With this app, you can 

connect to the IQ8D Commercial Gateway to track system 

installation progress. To download, go to 

enphase.com/

installerapp

 or scan the QR code at right.

B )  Download the latest version of the software to your mobile 

device. To do so, go to the 

Gateway Resources

 screen in the Enphase 

Installer App 

Settings

.

C )  Check the box for the following items:

• 

Enphase IQ8D Commercial Gateway (look for the IQ8D Commercial 

Gateway logo)

• 

Three 400A, solid-core 

production

 metering current transformers (CTs)

Internal aperture of the solid core production CTs measures 43 mm and 

can support cables up to a maximum size of 1000KCMIL conductors.

• 

Length of DIN rail for mounting

• 

Enphase IQ8D Commercial Gateway Quick Install Guide

 (this docu-

ment)

D )  If you plan to do consumption metering, make sure you have three split-

core consumption metering CTs (order CT-600-SPLIT). 

E )  Check that there is enough space in the load center to install CTs. 

Do not install CTs where they exceed 75% of the wiring space of any 

cross-sectional area within the load center.

F )  Install the IQ8D Commercial Gateway in a NRTL Certified, NEMA type 3R 

(or better) enclosure with conduit attachment when installing outdoors. 

Do not drill holes on the top of the enclosure or anywhere that allows 

moisture ingress. Metallic enclosures may impair Wi-Fi signal strength. 

Use an appropriately rated enclosure if installing indoors.

G )  Decide how to connect the IQ8D Commercial Gateway to the Internet: 

Use Wi-Fi, an Enphase Mobile Connect modem, or Ethernet. Then, make 

sure you have the following optional items, if needed:

• 

Enphase Mobile Connect modem. Order Enphase model CELLMODEM-

M1-06-SP-05 or CELLMODEM-M1-06-AT-05.

• 

Ethernet over power line communication (PLC) bridge with Ethernet 

cables (order EPLC-01). You must use a ferrite bead on the Ethernet 

cable (we recommend Fair-Rite 0431167281).

• 

Ethernet cable [802.3, Cat5E or Cat6, unshielded twisted pair (UTP)]. 

Do not use shielded twisted pair (STP) cable. You must use a ferrite 

bead on the Ethernet cable (we recommend Fair-Rite 0431167281).

H )  Create a paper installation map 

to record device serial numbers 

and positions in the array. You 

will scan this map later using 

Enphase Installer App and your 

mobile device.

• 

As you do with the Microinverters, peel the removable label from the 

bottom of the IQ8D Commercial Gateway and affix it to the paper 

installation map.

• 

Always keep a copy of the installation map for your records.

I )  

Note that installation of the IQ8D Commercial Gateway has two parts.  

To ensure successful device detection, complete Part 2 after installing 

any Enphase IQ8D Microinverters.

NOTE

If needed, you can find an instal-

lation map at the back of the Enphase 

IQ8D Microinverter Quick Install Guide.

(Model ENV-IQ8D-AM3-3P)

IQ8D Commercial Gateway Display and Controls

Network Communications LED 

Green when IQ8D Commercial Gateway is  

connected to Enphase Installer App™.

AP Mode LED

Green when Gateway’s AP Wi-Fi network  

is available.

AP Mode Button

Press to enable Gateway’s AP Mode  

for connecting with a mobile device.  

Hold for 5 seconds to start WPS  

connection to a router. 

Power Production LED 

Green when Microinverters are  

producing power.

Device Communications LED

Green when devices are  

communicating with IQ8D Commercial 

Gateway.

Device Scan Button

Press to start/stop 15 minute scan for  

devices over the power line.

Track system installation progress with the 

Enphase Installer App™

. The LEDs on the 

IQ8D Commercial Gateway are solid green when a function is enabled or performing 

as expected, flashing when an operation is in progress, or solid amber when 

troubleshooting with Enphase Installer App is required. For a legend of all LED 

states, see 

Troubleshooting

a

.

Enphase Installer 

App

How It Works

POWER LINE  

COMMUNICATIONS

NETWORK  

COMMUNICATIONS

IQ8D  

Microinverters

IQ8D  

Commercial  

Gateway

Load  

center

Router

Enphase Installer App™

To Internet

NOTE

The IQ8D Commercial Gateway only supports CT-600-SPLIT for 

consumption monitoring and should not be used with any other type of 

CT. The 600A consumption CTs fit conductors up to a maximum size of 

300KCMIL. You can use up to two parallel-connected consumption CTs 

to monitor up to two conductors.

Summary of Contents for IQ8D

Page 1: ... bridge with Ethernet cables order EPLC 01 You must use a ferrite bead on the Ethernet cable we recommend Fair Rite 0431167281 Ethernet cable 802 3 Cat5E or Cat6 unshielded twisted pair UTP Do not use shielded twisted pair STP cable You must use a ferrite bead on the Ethernet cable we recommend Fair Rite 0431167281 H Create a paper installation map to record device serial numbers and positions in ...

Page 2: ...ion on Line 1 Connect the white wire to the white C1 and the blue wire to the blue C1 terminal Clamp the CT on the main supply Line 1 When the consumption CT is on Line 1 conductor the arrow must point toward the load away from the grid To monitor consumption on Line 2 Connect the white wire to the white C2 terminal and the blue wire to the blue C2 terminal Clamp the CT on the main supply Line 2 W...

Page 3: ...e arrows must point toward the load away from the grid L2 Red L3 Blue N White L1 White L1 Blue L3 White L3 Blue L2 White L2 Blue L2 White L2 Blue L3 White L3 Blue L1 White L1 Black Production Consumption P1 C1 C2 1 2 3 4 NO Ref Common C Digital Input Relay PD B300 OVC II L1 L2 N CU 75C 14AWG MIN MEAS CAT III OVC III Production Consumption L3 P2 P3 C3 U80002 YYWW FALCO POLLUTION DEGREE 3 L1 Blue IQ...

Page 4: ... check the Overview screen for the following A Confirm that the expected number of devices are detected and com municating B Check that the new profile is set on all the devices Setting the profile may take up to 5 minutes for a typical system C Tap the Meters button D Tap Production Meter and follow the on screen instructions to enable the Production Meter E If you installed consumption metering ...

Page 5: ...tem name from the Activa tion List on the dashboard D From the activation form open Array Builder If you used Enphase Installer App to build arrays and scan device serial numbers the array s are built make any necessary adjustments in Array Builder If you did NOT use Enphase Installer App to build arrays and scan device serial numbers create the virtual array in Array Builder using the installa ti...

Page 6: ...pport DANGER Risk of electric shock Always open or disconnect circuit from power distribution system or service of building before installing or servicing current transformers CTs DANGER Risk of electrocution Do not install CTs when cur rent flowing in the sensed circuit Always install CT wires in the terminal blocks before energizing the sensed circuit DANGER Risk of electric shock Do not use Enp...

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