Data Sheet
Table Of Contents
- Planning for an IQ Microinverter System
- IQ 6 and IQ 6+ Micros
- IQ 7 and IQ 7+ Micros
- IQ 7X Micros
- Q Cable and IQ Micro Accessories
- IQ System Design using the IQ Combiner
- IQ System Design using the IQ Combiner+ and IQ Combiner 3
- IQ System Design with Q Aggregator
- IQ Envoy Installation Options
- Field Wireable Q Connectors and Raw Q Cable
- Splicing Q Cable and Raw Q Cable with Junction Boxes
- Example IQ Microinverter System Layouts and Bill of Materials (BOMs)
- Wire Management of AC and DC Cables Under Array
- AC Wire Management at the Junction Box or Q Aggregator
- Installing IQ Microinverters with Frame Mount Bracket
- Installing the Power Line Filter (Q-LCF-064-1P)
Planning for an IQ Microinverter System
© 2018 Enphase Energy Inc. All rights reserved. December 13, 2018
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IQ System Design using the IQ Combiner
The Enphase IQ Combiner
TM
combines up to three AC branch
circuits of an IQ System, has an integrated IQ Envoy and is UL
listed. Using an IQ Combiner makes the customer “storage
ready,” as it also allows connection of Enphase IQ Battery
circuits. The IQ Combiner design and installation is similar to the
previous Enphase AC Combiner Box. The primary difference is
that it includes a pre-installed IQ Envoy. The IQ Combiner allows
for any combination of up to three branch circuits of IQ Micros or
IQ Batteries to be terminated within the enclosure. It’s important
that only Line 1 of each solar microinverter AC branch circuit
passes through the Production CT, as the IQ Battery circuits
should not be measured by the Production CT for proper storage
system function. You may run multiple Line 1 conductors for
each solar microinverter AC branch circuit through the production
CT, keeping in mind to wire the AC branch circuit Line 1
conductors with the arrow on the Production CT pointing from
the microinverters to the interconnection point. The IQ Combiner
includes three 20A overcurrent protection circuit breakers for the
individual microinverter or battery AC branch circuits, and a 5 A circuit breaker for protecting and switching
the IQ Envoy. The outdoor-rated enclosure of the IQ Combiner offers protection for the IQ Envoy, Mobile
Connect cellular (optional), and revenue-grade production metering.
When using the Q Aggregator for combining multiple branch circuits on the roof, the combined production
circuit CANNOT be terminated on any of the 20A circuit breakers within the IQ Combiner. It is still possible to
use an IQ Combiner in a system that uses a Q Aggregator for purpose of housing the IQ Envoy, but in this
scenario, the Q Aggregator combined output circuits must land at a separate breaker rated for the combined
inverter output current in a separate subpanel. Keep in mind that Line 1 of the combined output circuit
coming from the Q Aggregator must still pass through the production CT within the IQ Combiner, if the
system will be equipped with such.
Conceptual Schematic of IQ Combiner Installation