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

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INSTALLATION AND OPERATION
MANUAL
Region: India
Enphase IQ7+ and IQ7A Microinverters
© 2023 Enphase Energy Inc. All rights reserved.
August 2023
USM-00002-1.0

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  • Page 1 INSTALLATION AND OPERATION MANUAL Region: India Enphase IQ7+ and IQ7A Microinverters © 2023 Enphase Energy Inc. All rights reserved. August 2023 USM-00002-1.0...

  • Page 2: Table Of Contents

    Safety and advisory symbols ..........................5 IQ7 Series Microinverter safety instruction ....................5 The Enphase Energy System ..........................9 How does the Enphase IQ Series Microinverter work? ................9 System monitoring ............................10 Optimal reliability ............................10 Ease of design ..............................10 Planning for microinverter installation ......................
  • Page 3 IQ7A-72-2-INT Microinverter specifications .................... 28 IQ Cable specifications ..........................30 Enphase installation map ..........................32 Sample single-phase wiring diagram......................33 Sample multi-phase wiring diagram ......................34 Revision history ..............................35 © 2023 Enphase Energy Inc. All rights reserved. August 2023 USM-00002-1.0...

  • Page 4: Corporate Headquarters Contact 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. For Enphase patent information, refer to enphase.com/en-in/patents/...

  • 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 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 Enphase microinverter. The Enphase microinverter is not protected from damage due to moisture trapped in cabling systems. Never mate microinverters to cables that have been left disconnected and exposed to wet conditions. This voids the Enphase 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. August 2023 USM-00002-1.0...

  • Page 9: The Enphase Energy System

    Enphase IQ Microinverters over onsite AC power lines and transmits the data to the Enphase App through an internet connection. The IQ Gateway Metered can monitor up to 300 Enphase IQ Microinverters. For details, refer to the...

  • Page 10: System Monitoring

    -20°C−65°C (-4°F−150°F). Ease of design PV systems using Enphase microinverters are very simple to design and install. You will not need string calculations or cumbersome traditional inverters. You can install individual PV modules in any combination of PV module quantity, type, age, and orientation. Each microinverter quickly mounts on the PV racking directly beneath each PV module.

  • Page 11: Compatibility

    IQ7+ and IQ7A Installation and Operation Manual - India Compatibility The Enphase IQ Series Microinverters are electrically compatible with PV modules, as listed in the following table. For specifications, see the Technical specifications in this manual. You can refer to...

  • Page 12: Utility Service Requirements

    Select the correct conductor size based on the distance from the junction with the microinverter AC branch circuit to the circuit breaker in the electrical panel. Enphase recommends a voltage rise total of less than 2% for the sections from the microinverter AC branch circuit to the circuit breaker in the electrical panel.

  • Page 13: Other Tools

    IQ Cable. • Enphase Installer App. Download the Enphase Installer App and open it to log in to your Enphase Account. With this mobile app, you can scan microinverter serial numbers and connect to the IQ Metered to track Gateway system installation progress.

  • Page 14: Step 1: Position The Iq Cable

    Step 3: Mount the microinverters A. If the Enphase DC bulkhead connectors are not already attached to the microinverters, attach them now. Make sure they are fully seated. B. Mount the microinverter bracket side up (as shown) and under the PV module, away from rain and sun.

  • Page 15: Step 4: Create An Installation Map

    • 6 mm mounting hardware: 5 N m • 8 mm mounting hardware: 9 N m Step 4: Create an installation map The Enphase installation map is a diagram of the physical location of each microinverter in your PV installation. Copy or use the blank installation map in this manual to record microinverter placement for the system, or provide your own layout if you require a larger or more intricate installation map.

  • Page 16: Step 5: Manage The Cabling

    Sealing caps are required for protection against moisture ingress. NOTE: If you need to remove a sealing cap, you must use the IQ Disconnect Tool. See Disconnect a microinverter in this manual. © 2023 Enphase Energy Inc. All rights reserved. August 2023 USM-00002-1.0...

  • Page 17: Step 7: Terminate The Unused End Of The Cable

    Step 8: Complete the installation of the junction box A. Connect the IQ Cable to the junction box. B. For more information, refer to the wiring diagrams in this manual. IQ Cable uses the following color code: © 2023 Enphase Energy Inc. All rights reserved. August 2023 USM-00002-1.0...

  • Page 18: Step 9: Connect The Pv Module

    B. Turn ON the main utility-grid AC circuit breaker. Your system starts producing power after a five- minute wait time. C. Check the LED on the connector side of the microinverter. © 2023 Enphase Energy Inc. All rights reserved. August 2023 USM-00002-1.0...

  • Page 19: Step 11: Set Up And Activate Monitoring

    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 Metered Installation and Operation Manual at enphase.com/support.

  • Page 20: Dc Resistance Low - Power Off Condition

    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 Support at https:/ /enphase.com/contact/support.

  • Page 21: Disconnect A Microinverter

    Specifications section in this manual. L. Swap DC leads with a known good, adjacent PV module. If, after checking the 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 22: Install A Replacement Microinverter

    H. Energize the AC branch circuit breaker and verify the operation of the replacement microinverter by checking the Status LED on the connector side of the microinverter. Use the Enphase Installer App to delete the old microinverter serial number from the Enphase IQ Metered database.

  • Page 23: Ordering Replacement Parts

    Communications LED flashes green during the scan. L. Log in to the Enphase Installer App to use the Enphase Installer App’s array builder to add the newly detected microinverter to the virtual array. M. Ship the old microinverter to Enphase using the supplied return-shipping label.

  • Page 24: Iq Cable Planning And Ordering

    PV module widths. The microinverters plug directly into the cable connectors. The IQ Cable is compatible with many PV racking systems. For a list of approved PV racking systems, see the PV racking compatibility document on the Enphase website at enphase.com/support. Connector spacing options IQ Cable is available in three connector spacing options.

  • Page 25: Technical Data

    If needed, Enphase IQ7 Series Microinverters can absorb or inject reactive power, provided that current and voltage ratings are not exceeded. The following figure shows the active power (P) capabilities curve relative to reactive power (Q) related to the power rating in the operating voltage range for the Enphase IQ7 Series. •...

  • Page 26: Specifications

    Maximum module Isc Maximum input power*** dcmax Output data (AC) Maximum apparent power ac,max Rated power ac,r Nominal grid voltage U acnom Minimum/maximum grid voltage 184/276 acmin acmax © 2023 Enphase Energy Inc. All rights reserved. August 2023 USM-00002-1.0...
  • Page 27 Dimensions (HxWxD) 212 mm (8.3″) x 175 mm (6.9″) x 30.2 mm (1.2″) (without mounting brackets) Weight (with mounting plate) 1.08 kg (2.38 lbs) Cooling Natural convection – no fans © 2023 Enphase Energy Inc. All rights reserved. August 2023 USM-00002-1.0...

  • Page 28: Iq7A-72-2-Int Microinverter Specifications

    66-cell/132-half-cell 72-cell/144-half-cell Minimum/maximum input voltage 18/58 dcmin dcmax Startup input voltage dcstart Rated input voltage 40.5 dc,r Minimum/maximum MPP voltage 38/43 mppmin mppmax Minimum/maximum operating voltage 18/58 opmin opmax © 2023 Enphase Energy Inc. All rights reserved. August 2023 USM-00002-1.0...
  • Page 29 η IS/IEC 61683 efficiency 96.6 Inverter topology Isolated (HF transformer) Night-time power loss Mechanical data Ambient air temperature range -40°C to 60°C Relative humidity range 4% to 100% (condensing) © 2023 Enphase Energy Inc. All rights reserved. August 2023 USM-00002-1.0...

  • Page 30: Iq Cable Specifications

    *** The maximum input power values are recommended to address region-specific requirements. IQ Cable specifications Specification Q-12 single-phase cable Voltage rating 600 V Voltage withstand test (kV/1min) AC 3.0 © 2023 Enphase Energy Inc. All rights reserved. August 2023 USM-00002-1.0...
  • Page 31 UV resistance 720 Hr UV exposure rating — Compliance RoHS, OIL RES I, CE, UV Resistant, combined UL for Canada, and the United States Maximum loop size 12 cm © 2023 Enphase Energy Inc. All rights reserved. August 2023 USM-00002-1.0...

  • Page 32: Enphase Installation Map

    IQ7+ and IQ7A Installation and Operation Manual - India Enphase installation map © 2023 Enphase Energy Inc. All rights reserved. August 2023 USM-00002-1.0...

  • Page 33: Sample Single-Phase Wiring Diagram

    IQ7+ and IQ7A Installation and Operation Manual - India Sample single-phase wiring diagram © 2023 Enphase Energy Inc. All rights reserved. August 2023 USM-00002-1.0...

  • Page 34: Sample Multi-Phase Wiring Diagram

    IQ7+ and IQ7A Installation and Operation Manual - India Sample multi-phase wiring diagram © 2023 Enphase Energy Inc. All rights reserved. August 2023 USM-00002-1.0...

  • Page 35: Revision History

    Initial release USM-00002-1.0 August 2023 © 2023 Enphase Energy. All rights reserved. Enphase, the e and CC logos, IQ, and certain other marks listed at https://enphase.com/trademark-usage- guidelines are trademarks of Enphase Energy, Inc. in the US, and other countries. Data subject to change.

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