enphase IQ 7+ Installation And Operation Manual
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enphase IQ 7+ Installation And Operation Manual

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INSTALLATION AND OPERATION
MANUAL
Enphase
IQ 7, IQ 7+, IQ 7X, and IQ 7A Micros
October 2020
141-00043-03

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Summary of Contents for enphase Enphase IQ 7+

  • Page 1 INSTALLATION AND OPERATION MANUAL Enphase IQ 7, IQ 7+, IQ 7X, and IQ 7A Micros October 2020 141-00043-03...
  • Page 2 For Enphase patent information refer to enphase.com/company/patents/. © 2020 Enphase Energy Inc. All rights reserved. Enphase, the Enphase logo, IQ 7, IQ 7+, IQ 7X, IQ 7A, IQ Envoy, IQ Combiner, IQ Microinverter, Installer Toolkit, Enlighten and other trademarks or service names are the trademarks of Enphase Energy, Inc.

  • Page 3: Table Of Contents

    Step 6: Connect the Microinverters ........................ 17 Step 7: Terminate the Unused End of the Cable ................... 18 Step 8: Complete Installation of the Enphase Q Aggregator or Junction Box ..........19 Step 9: Connect the PV Modules ........................19 Step 10: Energize the System ........................
  • Page 4 IQ 7 / IQ 7+ / IQ 7X / IQ 7A Micro Installation and Operation Replacement Parts and Cabling........................... 27 Ordering Replacement Parts ......................... 27 Enphase Q Cable Planning and Ordering ...................... 27 Connector Spacing Options ........................... 27 Cabling Options ............................. 27 Enphase Q Cable Accessories ........................

  • Page 5: Important Safety Information

    Double-insulated Safety and Advisory Symbols To reduce the risk of electric shock, and to ensure the safe installation and operation of the Enphase IQ System, the following safety symbols appear throughout this document to indicate dangerous conditions and important safety instructions.
  • Page 6 IQ 7 / IQ 7+ / IQ 7X / IQ 7A Micro Installation and Operation Do not use Enphase equipment in a manner not specified by the manufacturer. Doing so may cause DANGER: Risk of death or injury to persons, or damage to equipment.

  • Page 7: Pv Rapid Shutdown Equipment (Pvrse)

    When installing the Enphase Q Cable, secure any loose cable to minimize tripping hazard. When looping the Enphase Q Cable, do not form loops smaller than 4.75” (12 cm) in diameter. NOTES: Provide support for the Enphase Q-Cable every 1.8m (6 feet).

  • Page 8: The Enphase Iq System

    Enphase IQ Microinverters over on-site AC power lines and transmits the data to Enlighten through an Internet or cellular modem connection. The IQ Envoy is capable of monitoring up to 600 Enphase IQ Microinverters and up to 39 Enphase IQ Batteries. For details, refer to Enphase IQ Envoy Installation and Operations Manual.

  • Page 9: How The Enphase Iq Series Micros Work

    PV module. System Monitoring Once you install the Enphase IQ Envoy and provide an internet connection through a broadband router or modem, the Enphase IQ Microinverters automatically begin reporting to Enlighten. Enlighten presents current and historical system performance trends and informs you of PV system status.

  • Page 10: Planning For Microinverter Installation

    IQ 7 / IQ 7+ / IQ 7X / IQ 7A Micro Installation and Operation Planning for Microinverter Installation The Enphase IQ 7 Micro is compatible with PV modules as listed in the following table. The microinverter housing is designed for outdoor installation and complies with the NEMA 250, type 6 environmental...

  • Page 11: Branch Circuit Capacity

    Select the correct wire size based on the distance from the beginning of the microinverter AC branch circuit to the breaker in the load center. Enphase recommends a voltage rise total of less than 2% for the sections from the microinverter AC branch circuit to the breaker in the load center.

  • Page 12: Lightning And Surge Suppression

    For this reason, Enphase recommends that you protect your system with a lightning and/or surge suppression device. In addition to having some level of surge suppression, it is also important to have insurance that protects against lightning and electrical surges.

  • Page 13: Enphase Microinverter Installation

    IQ 7 / IQ 7+ / IQ 7X / IQ 7A Micro Installation and Operation Enphase Microinverter Installation Installing the Enphase IQ Series Micros involves several key steps. Each step listed here is detailed in the following pages. Step 1: Position the Enphase Q Cable...

  • Page 14: Step 1: Position The Enphase Q Cable

    IQ 7 / IQ 7+ / IQ 7X / IQ 7A Micro Installation and Operation Step 1: Position the Enphase Q Cable A. Plan each cable segment to allow drop connectors on the Enphase Q Cable to align with each PV module. Allow extra length for slack, cable turns, and any obstructions.

  • Page 15: Step 3: Mount The Microinverters

    8 mm (5/16”) mounting hardware: 9 N m (80 to 85 in-lbs.) • When using UL 2703 mounting hardware, use the manufacturer’s recommended torque value Horizontal mount DC Connector AC Connector Vertical mount © 2020 Enphase Energy Inc. All rights reserved. 141-00043-03...

  • Page 16: Step 4: Create An Installation Map

    Each Enphase Microinverter, Envoy, and Battery have a removable serial number label. Build the installation map by peeling the serial number labels from the microinverter mounting plates and placing the labels on the map. You will also place the Enphase IQ Envoy and IQ Battery serial number on the map after installation.

  • Page 17: Step 5: Manage The Cabling

    Step 6: Connect the Microinverters A. Connect the microinverter. Listen for a click as the connectors engage. B. Cover any unused connector with Enphase Sealing Caps. Listen for a click as the connectors engage. WARNING: Risk of electric shock. Risk of fire.

  • Page 18: Step 7: Terminate The Unused End Of The Cable

    IQ 7 / IQ 7+ / IQ 7X / IQ 7A Micro Installation and Operation Step 7: Terminate the Unused End of the Cable Terminate the unused end of the Enphase Q Cable as follows. 13mm Terminator Body A. Remove 13 mm (½ inch) of the cable sheath from the conductors.

  • Page 19: Step 8: Complete Installation Of The Enphase Q Aggregator Or Junction Box

    WARNING: If adapters are used, ensure that they are installed in the correct orientation. A. If required, attach the Enphase DC bulkhead adaptors to the microinverters. Make sure they are fully seated. Do not reverse the adaptor connections.

  • Page 20: Step 10: Energize The System

    Low – Power Off Condition” on page 21. Set Up and Activate Monitoring Refer to the Enphase IQ Envoy Quick Install Guide to install the IQ Envoy and set up system monitoring and grid management functions. This guide leads you through the following: •...

  • Page 21: Troubleshooting

    If a microinverter registers a “DC Resistance Low - Power Off” condition, you can attempt to clear this condition. If the condition does not clear after you perform the following procedure, contact Enphase Energy customer support at enphase.com/en-us/support/contact.

  • Page 22: Other Faults

    The app then indicates that a clear message was sent. Other Faults All other faults are reported to the Envoy. Refer to the Enphase IQ Envoy Installation and Operation Manual at enphase.com/support for troubleshooting procedures.

  • Page 23: Troubleshoot An Inoperable Microinverter

    L1, L2 to ground 106 to 132 VAC E. Using an Enphase disconnect tool, disconnect the AC cable for the microinverter in question from the Enphase Q Cable. F. Verify that utility power is present at the microinverter by measuring line to line and line to ground at the Enphase Q Cable connector.

  • Page 24: Disconnect A Microinverter

    O. If the problem persists, contact Customer Support at enphase.com/en-us/support/contact. Disconnect a Microinverter If problems remain after following the troubleshooting steps listed previously, contact Enphase at enphase.com/en-us/support/contact. If Enphase authorizes a replacement, follow the steps below. To ensure the microinverter is not disconnected from the PV modules under load, follow the disconnection steps in the order shown: A.

  • Page 25: Install A Replacement Microinverter

    • Do not mount the microinverter upside down. • Do not expose the AC or DC connectors (on the Enphase Q Cable connection, PV module, or the microinverter) to rain or condensation before the connectors are mated. C. Torque the mounting fasteners to the values shown. Do not over torque.
  • Page 26 K. Log in to Enlighten to use Enlighten’s Array Builder to add the newly detected microinverter to the virtual array. L. Ship the old microinverter to Enphase using the supplied return-shipping label. © 2020 Enphase Energy Inc. All rights reserved.

  • Page 27: Replacement Parts And Cabling

    These parts are available from your Enphase distributor. Enphase Q Cable Planning and Ordering The Enphase Q Cable is a continuous length of 12 AWG, double insulated, outdoor-rated cable with integrated connectors for microinverters. These connectors are preinstalled along the Q Cable at intervals to accommodate varying PV module widths.

  • Page 28: Enphase Q Cable Accessories

    IQ 7 / IQ 7+ / IQ 7X / IQ 7A Micro Installation and Operation Enphase Q Cable Accessories The Enphase Q Cable is available with several accessory options for ease of installation, including: • Field wireable connectors (male): (Q-CONN-10M) Make connections from any Field Wireable female connector •...

  • Page 29: Technical Data

    Technical Considerations Module Requirements Be sure to apply the following when installing the Enphase IQ 7 Series Micro System: WARNING: Risk of equipment damage. You must match the DC operating voltage range of the PV module with the allowable input voltage range of the Enphase Microinverter.

  • Page 30: Specifications

    Extended frequency range Maximum AC output over current protection device No enforced DC/AC ratio. See the compatibility calculator at enphase.com/en-us/support/module-compatibility Nominal Voltage Range can be extended if required by the utility. © 2020 Enphase Energy Inc. All rights reserved. 141-00043-03...
  • Page 31 Relative humidity range 4% to 100% condensing Approved for wet locations Pollution degree Limits may vary. Refer to local requirements to define the number of microinverters per branch in your area. © 2020 Enphase Energy Inc. All rights reserved. 141-00043-03...
  • Page 32 Communication Power line communication (PLC) Integrated DC disconnect/ The DC and AC connectors have been evaluated and Integrated AC disconnect approved for use as the load-break disconnect required by NEC 690. © 2020 Enphase Energy Inc. All rights reserved. 141-00043-03...

  • Page 33: Iq7Plus-72-2-Us Microinverter Specifications

    Overvoltage class AC port AC port backfeed under single fault Power factor setting No enforced DC/AC ratio. See the compatibility calculator at enphase.com/en-us/support/module-compatibility Nominal Voltage Range can be extended if required by the utility. © 2020 Enphase Energy Inc. All rights reserved. 141-00043-03...
  • Page 34 Integrated AC disconnect approved for use as the load-break disconnect required by NEC 690. Limits may vary. Refer to local requirements to define the number of microinverters per branch in your area. © 2020 Enphase Energy Inc. All rights reserved. 141-00043-03...

  • Page 35: Iq7X-96-2-Us Microinverter Specifications

    Overvoltage class AC port AC port backfeed under single fault Power factor setting No enforced DC/AC ratio. See the compatibility calculator at enphase.com/en-us/support/module-compatibility Nominal Voltage Range can be extended if required by the utility. © 2020 Enphase Energy Inc. All rights reserved. 141-00043-03...
  • Page 36 Integrated AC disconnect approved for use as the load-break disconnect required by NEC 690. Limits may vary. Refer to local requirements to define the number of microinverters per branch in your area. © 2020 Enphase Energy Inc. All rights reserved. 141-00043-03...

  • Page 37: Iq7A-72-2-Us Microinverter Specifications

    Overvoltage class AC port AC port backfeed under single fault Power factor setting No enforced DC/AC ratio. See the compatibility calculator at enphase.com/en-us/support/module-compatibility Nominal Voltage Range can be extended if required by the utility. © 2020 Enphase Energy Inc. All rights reserved. 141-00043-03...
  • Page 38 Integrated AC disconnect for use as the load-break disconnect required by NEC 690. Limits may vary. Refer to local requirements to define the number of microinverters per branch in your area. © 2020 Enphase Energy Inc. All rights reserved. 141-00043-03...

  • Page 39: Q Cable Specifications

    Enphase Connector Ratings Enphase Connectors on the cable assemblies in the following table have a maximum current of 20 A, a maximum OCPD of 20 A, and maximum ambient temperature of -40° to +79° C (-40° to +174.2° F) and are rated for disconnection under load.

  • Page 40: Enphase Installation Map

    IQ 7 / IQ 7+ / IQ 7X / IQ 7A Micro Installation and Operation Enphase Installation Map © 2020 Enphase Energy Inc. All rights reserved. 141-00043-03...

  • Page 41: Sample Wiring Diagram

    IQ 7 / IQ 7+ / IQ 7X / IQ 7A Micro Installation and Operation Sample Wiring Diagram © 2020 Enphase Energy Inc. All rights reserved. 141-00043-03...

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Enphase iq 7Enphase iq 7xEnphase iq 7aIq7-60-2-usIq7a-72-2-usIq7plus-72-2-us ... Show all

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