enphase Q-BA-3-1P-60 Quick Install Manual

QUICK INSTALL GUIDE

(Model Q-BA-3-1P-60)

Installing the Enphase Q Aggregator

To install the Enphase Q Aggregator, read and follow all warnings and instructions in this Guide and in the Enphase IQ Series Microinverter Installation and
Operation Manual at enphase.com/support. If you do not fully understand any of the concepts, terminology, or hazards outlined in these instructions, refer

installation to a qualied 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.

IMPORTANT: Enphase IQ Series Microinverters require the Q Cable and are not compatible with previous Enphase cabling. An IQ Envoy is required to
monitor performance of the IQ Microinverters. The Q Accessories work only with Enphase IQ Series Microinverters.

How It Works

Use the Enphase Q Aggregator to bring together up to three
branches of microinverters, center feed branch connections,
or connect a remote part of the array using Enphase Q Field
Wireable Connectors.

Features

•

Lets you install systems up to 11.5 kW with only two line
conductors and a ground coming from the roof

•

Usable in any position up to 45 degrees from horizontal
(NEMA 3R, includes drain holes)

•

The aggregator bracket is ready to install on rail, can be ipped
for roof or block mount installs, and allows you to t conduit

into either or both sides

PREPARATION

A ) Check the box for the following items:

•

Enphase Q Aggregator

•

One bulkhead connector cap (Q-BA-CAP). You may need to order an
extra cap if you connect only one branch circuit to the aggregator.

•

Quick Install Guide (this document)

B ) Check that you have these required items:

•

Enphase Q Aggregator(s) for multiple branch arrays

•

Drill with an appropriately sized hole saw for conduit entry

•

Wet/dry-rated conduit gland and conduit for home run entry

•

Screwdrivers

•

Wire stripping tool

•

Torque wrench and sockets for mounting hardware

•

75°C to 90°C copper conductors for connections between the Q
Aggregator and main PV breaker

•

Enphase disconnect tool

C ) Protect your system with lightning and/or surge suppression devices at

the sub or main panel.

D ) Protect the Q Aggregator with a maximum 60-amp over-current

protection device (OCPD).

E ) Size the AC wire gauge to account for voltage rise. Select the correct

wire size based on OCPD size and on the distance from the beginning
of the Enphase Q Cable to the breaker in the load center. Design for a
voltage rise total of less than 2% for the sections from the Enphase
Q Cable to the breaker in the load center. Refer to the Voltage Rise
Technical Brief at enphase.com/support for more information.

Best practice: Use a Q Aggregator and Enphase Q Field Wireable

Connectors to center-feed each branch circuit to minimize voltage rise
in a fully-populated branch.

F ) Plan to install the Q Aggregator in a location that will be under the

modules when the array is complete.

Enphase Q
Aggregator
AC connections

Cable clips or
tie wraps

Enphase
IQ 6 Micro or
IQ 6+ Micro

DC connectors

terminator

Enphase
Q Cable

AC connector

Enphase
disconnect
tool

INSTALLATION

1

Plan the Connections

A ) Plan for the following connections:

• One maximum 60 A home run: Pass the home run cable through wet/
dry-rated conduit gland, and secure in the cage clamp lugs to the terminal
connectors. Use standard home run conduit size (1/2, 3/4, or 1-inch).

• Up to three 20 A branch circuits: Three bulkhead mounted connectors
allow for the direct connection of the Q Cable.

• PV Array ground: The ground lug connection that passes through the

enclosure allows you to connect racking and module ground to the main
panel ground. The Aggregator contains no parts requiring a ground.

2

Plan the Location

A ) Select a location that will be under the modules when the array is

complete, but that will also be accessible for making connections later.

B ) Ensure that you can bring conduit into the Q Aggregator from the upper

left or right side where indicated by pilot hole indents.

BEST PRACTICE: Lay out your cable runs before determining the
Q Aggregator location.

WARNING: Ensure the conduit does not enter from an uphill

*

direction and that moisture does not enter the Aggregator. Water
ingress will void the warranty for the Aggregator.

3

Drill a Hole for Conduit

A ) Prep conduit with an offset to approximate area and position the Q

Aggregator to double check your drill location.

B ) Remove the Q Aggregator cover and drill a hole for up conduit: Typical

openings are 2.2 cm, 2.8 cm, or 3.5 cm (0.885”, 1.115”, or 1.362”), but
check the conduit ttings you are using to verify size.

WARNING: Take care not to damage the circuit board.

*

C ) Dump or blow out any debris from this drilling operation.

5

Wire the Q Aggregator

A ) Pull the line conductors and ground up to the Q Aggregator.

B ) Strip the two line conductors (18 mm/0.7” strip length) using the guide

on the upper surface of the cage clamp style main lugs.

C ) Secure the conductors (12 AWG to 4 AWG max) in these lugs and make

sure that the orange handles are in the fully down position.

D ) Strip and bring the ground wire inside the Q Aggregator to the ground

lug. This ground lug passes through to outside for use in grounding the
rack and modules as needed.

E ) Secure racking ground to the ground lug.

F ) Torque the ground connections as follows:

• 14-10 AWG: 2.25 N m (20 in-lbs)

• 8 AWG: 2.82 N m (25 in-lbs)

• 6-4 AWG: 3.95 N m (35 in-lbs)

G ) Check your connections for soundness.

You have completed the wiring for up to three plug and play branch circuits

in your system.

6

Replace the Cover

A ) Make sure that the drain holes on the bottom of the Q Aggregator are

free from debris.

B ) Check the seal on all sides for trapped debris. Remove any debris, if

needed.

C ) Replace the cover on the Q Aggregator and torque screws to 1.1 N m

(9.7 in-lbs).

D ) Check that the Q Aggregator is properly sealed.

E ) Cap any unused branch circuit connections.

The Q Aggregator is now ready for branch circuit connections.

DANGER! Never connect a single branch circuit to multiple branch

+

circuit connections on the Q Aggregator.

Attach the Q Aggregator to the PV Rail

4

WARNINGS:

*

• Install the Q Aggregator under the PV module to avoid direct exposure
to rain, UV, and other harmful weather events.

• Mount the Q Aggregator with adequate clearance from the roof

surface for rain and snow resistance.

• Always install the Q Aggregator with the label side up. Do not mount it
upside down. You can ip the bracket for roof or block mounting.

• When transitioning between rows, secure the cable to the nearest rail
to prevent cable damage.

A ) Install Q Aggregator on rail in a location that does not conict with the

module frame and module mounting hardware. Allow a minimum of 1.9
cm (0.75“) between the roof and the Q Aggregator. Also allow 1.3 cm (0.50“)
between the back of the PV module and the top of the Q Aggregator.

B ) Install the Q Aggregator on the rail and mount loosely.

C ) Use a ttings rated for outdoor use to secure the conduit or Q cable to

the Q Aggregator.

D ) Provide an AC connection (home run) from the Enphase Q Aggregator

back to the electricity network connection using equipment and
practices as required by local jurisdictions.

E ) Tighten rail connections to 80 in-lbs (9 N m), and make sure that conduit

ttings are secured and water tight.

F ) Secure and check all connections.

To remove a sealing cap or AC connector, you must use an
Enphase disconnect tool.

Each Q Aggregator includes one bulkhead connector cap. You can
purchase additional caps from your distributor.