enphase IQ7 Installation And Operation Manual
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enphase IQ7 Installation And Operation Manual

Microinverters for ac module applications
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INSTALLATION AND OPERATION
MANUAL
Enphase IQ7, IQ7+, IQ7A, and IQ7X
Microinverters for AC Module Applications
© 2023 Enphase Energy Inc. All rights reserved.
June 2023
USM-00001-1.0

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  • Page 1 INSTALLATION AND OPERATION MANUAL Enphase IQ7, IQ7+, IQ7A, and IQ7X Microinverters for AC Module Applications © 2023 Enphase Energy Inc. All rights reserved. June 2023 USM-00001-1.0...

  • Page 2: Table Of Contents

    Product labels..............................5 Safety and advisory symbols........................5 IQ7 Series Microinverter safety instruction ....................6 The Enphase IQ System ............................. 9 How the Enphase IQ Series Microinverters work? ..................9 System monitoring ............................... 10 Optimal reliability ..............................10 Ease of design ............................... 10 Planning for microinverter installation ......................
  • Page 3 IQ7PLUS-72-E-ACM-INT and IQ7PLUS-72-ACM-INT Microinverter specifications ......29 IQ7X-96-ACM-INT Microinverter specifications ..................31 IQ7A-72-E-ACM-INT Microinverter specifications ................34 IQ Cable specifications ..........................36 Enphase connector ratings ......................... 37 Revision history ..............................37 © 2023 Enphase Energy Inc. All rights reserved. June 2023 USM-00001-1.0...

  • Page 4: Corporate Headquarters Contact Information

    User documentation is updated frequently; Check the Enphase website (enphase.com/support) for the latest information. To ensure optimal reliability and to meet warranty requirements, the Enphase microinverter must be installed according to the instructions in this manual. For warranty text refer to enphase.com/warranty.

  • 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: Iq7 Series Microinverter Safety Instruction

    You must protect each microinverter AC branch circuit with a 20 A maximum breaker or fuse as appropriate. DANGER: Risk of Do not use Enphase equipment in a manner not specified by the manufacturer. electric shock. Doing so may cause death or injury to persons or damage to equipment.
  • Page 7 Do not attempt to repair the Enphase microinverter; it contains no user- of fire. serviceable parts. If it fails, contact Enphase customer service to obtain a return merchandise authorization (RMA) number and start the replacement process. Tampering with or opening the Enphase microinverter will void the warranty.
  • Page 8 Fit the terminator cap using only the prescribed tools and in the prescribed manner. • Use the terminator to seal the conductor end of the IQ Cable; no other method is allowed. © 2023 Enphase Energy Inc. All rights reserved. June 2023 USM-00001-1.0...

  • Page 9: The Enphase Iq System

    Enphase IQ Microinverters over on-site AC power lines and transmits the data to the Enphase App through an internet or cellular modem connection. The IQ Gateway can monitor up to 600 Enphase IQ Microinverters and up to 39 Enphase IQ Batteries. For details, refer to the Enphase IQ Gateway Installation and Operations Manual.

  • Page 10: System Monitoring

    IQ Microinverters for AC Module applications System monitoring Once you install the Enphase IQ Gateway and provide an internet connection through a broadband router or modem, the Enphase IQ Microinverters automatically begin reporting to Enphase App. Enphase App presents current and historical system performance trends and informs you of your PV system status.

  • Page 11: Planning The Racking

    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 total voltage rise 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: Other Items

    Due to variances in module frame thickness, these wire clips may not work for all modules Enphase microinverter installation Installing the Enphase IQ Microinverter for AC Module involves several key steps. Each step listed here is detailed on the following pages:...

  • Page 14: Step 1: Install A Junction Box

    C. Lay out the cabling loosely on the roof for the AC branch circuit. Make sure the cable is positioned in a way that allows you to connect it to the microinverter. © 2023 Enphase Energy Inc. All rights reserved. June 2023...

  • Page 15: Step 3: Terminate The Unused End Of The Cable

    Remove and replace a microinverter in this manual. B. Remove 13 mm (½ inch) of the cable sheath from the conductors. Use the terminator loop to measure 13 mm. © 2023 Enphase Energy Inc. All rights reserved. June 2023 USM-00001-1.0...
  • Page 16 G. Attach the terminated cable end to the PV racking with a cable clip or tie wrap so that the cable and terminator do not touch the roof. WARNING: The terminator cannot be re-used. If you unscrew the nut, you must discard the terminator. © 2023 Enphase Energy Inc. All rights reserved. June 2023 USM-00001-1.0...

  • Page 17: Step 4: Prepare The Ac Modules

    IQ Disconnect Tool. Use the tool to depress the four locking mechanisms on each corner of the microinverter to return it to the shipping position. B. Position the AC Modules as planned on the rail. © 2023 Enphase Energy Inc. All rights reserved. June 2023 USM-00001-1.0...

  • Page 18: Step 5: Use The Serial Number Labels To Create The Installation Map

    Step 5: Use the serial number labels to create the installation map The Enphase installation map is a diagram of the physical location of each module in your PV installation. Copy or use the blank map to record module placement for the system or provide your layout if you require a larger or more intricate installation map.

  • Page 19: Step 7: Connect The Microinverters As You Install The Ac Modules

    NOTE: Some modules do not include framing on their shortest side. Cable clips cannot attach to the frameless side for cable management. Plan to use the longer, framed side for cable management when this is the case. © 2023 Enphase Energy Inc. All rights reserved. June 2023 USM-00001-1.0...

  • Page 20: Step 9. Ground The Ac Modules

    This guide leads you through the following: • Connecting the IQ Gateway • Detecting devices and scanning the installation map • Connecting to Enphase Installer Portal • Registering the system • Building the virtual array © 2023 Enphase Energy Inc. All rights reserved. June 2023 USM-00001-1.0...

  • Page 21: Troubleshooting

    Enphase App, during system registration, or through the Enphase Installer App at any time. You must have an Enphase IQ Gateway to set or change the grid profile. For more information on setting or changing the grid profile, refer to the Enphase IQ Gateway Installation and Operation Manual at enphase.com/support.

  • Page 22: Other Faults

    IQ Microinverters for AC Module applications 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 System customer support at enphase.com/en-us/support/contact.

  • Page 23: Remove And Replace A Microinverter

    AC Module. If, after checking Enphase App periodically (this may take up to 30 minutes), the problem moves to the adjacent module, this indicates that the PV module isn’t functioning correctly. If it stays in place, the problem is with the original microinverter.
  • Page 24 Status LED on the connector side of the microinverter. L. On the ground, use the Enphase Installer App to delete the old microinverter serial number from the Enphase IQ Gateway database. In Enphase Installer App, once connected to the IQ Gateway: a.

  • Page 25: Iq Cable Planning And Ordering

    Enphase IQ7 Series Microinverters are grid support interactive inverters. Grid profiles IQ7 Series Microinverters have field-adjustable voltage and frequency trip points. Trip points are the input voltage and frequency values that trigger the microinverters to shut down when the values are exceeded. If local regulations require adjustments to these trip points, or if the grid profile was not set up during registration, the installer can set up the system to use an alternate grid profile (set of trip points).

  • Page 26: Manufacturer's Stated Accuracy

    • View or verify current trip point settings • Generate a report for confirmation of site settings to the utility or other authority To modify the grid profile or the parameters within the grid profile, installers must log in to their Enphase App account using their credentials.

  • Page 27: Iq7-60-Acm-Int Microinverter Specifications

    Nominal frequency Extended frequency range Maximum AC output over current protection device Protective class (all ports) Overvoltage class AC port AC port backfeed under single fault Power factor setting © 2023 Enphase Energy Inc. All rights reserved. June 2023 USM-00001-1.0...
  • Page 28 The DC circuit meets the requirements for ungrounded PV arrays. Ground fault protection (GFP) is integrated into the class II double- insulated microinverter. Monitoring Enphase Installer Portal monitoring options require an Enphase IQ Gateway © 2023 Enphase Energy Inc. All rights reserved. June 2023 USM-00001-1.0...

  • Page 29: Iq7Plus-72-E-Acm-Int And Iq7Plus-72-Acm-Int Microinverter Specifications

    0.8 leading Power factor (adjustable) 0.8 lagging Nominal AC output voltage range Vrms 230 VAC (single-phase) Nominal output current Arms 1.26 230 VAC (single-phase) 1.26 Rated AC output current © 2023 Enphase Energy Inc. All rights reserved. June 2023 USM-00001-1.0...
  • Page 30 1.5 kg (3 lbs.) Environmental category/UV exposure rating IP67/outdoor Maximum altitude 2,000 metres Cooling Natural convection - no fans Relative humidity range 4% to 100% condensing Approved for wet locations Pollution degree © 2023 Enphase Energy Inc. All rights reserved. June 2023 USM-00001-1.0...

  • Page 31: Iq7X-96-Acm-Int Microinverter Specifications

    DC Port backfeed under single fault PV array configuration 1 x 1 ungrounded array; No additional DC side protection required; AC side protection requires max 20 A per branch circuit AC parameters © 2023 Enphase Energy Inc. All rights reserved. June 2023 USM-00001-1.0...
  • Page 32 96.5 Static MPPT efficiency (weighted, ref EN 50530) 99.5 Inverter topology Isolated (HF transformer) Total harmonic distortion Ambient temperature range °C Night tare loss Storage temperature range °C © 2023 Enphase Energy Inc. All rights reserved. June 2023 USM-00001-1.0...
  • Page 33 The AC connector has been evaluated and approved for use as the load-break disconnect. 12 Limits may vary. Refer to local requirements to define the number of microinverters per branch in your area. © 2023 Enphase Energy Inc. All rights reserved. June 2023 USM-00001-1.0...

  • Page 34: Iq7A-72-E-Acm-Int Microinverter Specifications

    Current (inrush) Nominal frequency Extended frequency range Maximum AC output over current protection device 20 A (single-phase)/25 A (multi-phase) per branch circuit Protective class (all ports) Overvoltage class AC port © 2023 Enphase Energy Inc. All rights reserved. June 2023 USM-00001-1.0...
  • Page 35 62109-2, EN 50549, G98/G99, VDE-AR-N-4105 Grounding The DC circuit meets the requirements for ungrounded PV arrays. Ground fault protection (GFP) is integrated into the class II double- insulated microinverter. © 2023 Enphase Energy Inc. All rights reserved. June 2023 USM-00001-1.0...

  • Page 36: Iq Cable Specifications

    Drop connector dimensions 11.8 cm x 6.0 cm x 3.2 cm (4.64″ x 2.36″ x 1.25″) Terminator cap dimensions 3.6 cm diameter x 5.1 cm tall (1.4″ x 2″) © 2023 Enphase Energy Inc. All rights reserved. June 2023 USM-00001-1.0...

  • Page 37: Enphase Connector Ratings

    IQ Microinverters for AC Module applications Enphase connector ratings Enphase connectors in the following table have a maximum current of 20 A, a maximum OCPD of 20 A, and an ambient temperature range of -40°C to 79°C (-40°F to 174.2°F).

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