enphase IQ 7 Installation And Operation Manual
Microinverters for acm applications
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Summary of Contents for enphase IQ 7
- Page 1 INSTALLATION AND OPERATION MANUAL Enphase IQ 7, IQ 7+, IQ 7A and IQ 7X Microinverters for ACM Applications January 06, 2021...
- Page 2 For Enphase patent information refer to enphase.com/company/patents/. © 2021 Enphase Energy Inc. All rights reserved. Audience This manual is intended for use only by Enphase partners to develop instructional material for the AC Module. © 2021 Enphase Energy Inc. All rights reserved.
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Page 3: Table Of Contents
Safety and Advisory Symbols .......................... 5 IQ 7 Microinverter Safety Instructions ......................6 The Enphase IQ System ..............................8 How the Enphase IQ Microinverter for ACM Works ..................9 System Monitoring ............................9 Optimal Reliability ............................9 Ease of Design ............................9 Planning for Microinverter Installation .......................... - Page 4 IQ Microinverter for ACM Applications Q Cable Specifications ..........................38 Enphase Connector Ratings ........................38 Enphase Installation Map ..........................39 Sample Wiring Diagram: ..........................40 © 2021 Enphase Energy Inc. All rights reserved. January 06, 2021...
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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 Microinverter Safety Instructions
You must protect each microinverter AC branch circuit with a 20 A maximum breaker or fuse as appropriate. Do not use Enphase equipment in a manner not specified by the manufacturer. Doing so may DANGER: Risk cause death or injury to persons, or damage to equipment. - Page 7 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: If you need to remove a sealing cap, you must use the Enphase disconnect tool.
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Page 8: The Enphase Iq System
• Enphase IQ Microinverters for AC Module Application (IQ7-60-ACM-INT, IQ7PLUS-72-ACM- INT, IQ7X-96-ACM-INT, IQ7PLUS-72-E-ACM-INT, IQ7A-72-E-ACM-INT). The smart grid ready IQ 7, IQ 7+, and IQ 7X Micros convert the DC output of the PV module into grid-compliant AC power. • Enphase IQ Envoy™ (ENV-IQ-AM1-240) The Enphase IQ Envoy is a communication device that provides network access to the PV array. -
Page 9: How The Enphase Iq Microinverter For Acm Works
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
NOTE: *Limits may vary. Refer to local requirements to define the number of microinverters per branch in your area. Utility Service Requirements The Enphase IQ Microinverter for ACM work with single-phase service. Measure AC line voltages at the electrical utility connection to confirm that it is within the ranges shown: Single-Phase Service... -
Page 11: Wire Lengths And Voltage Rise
Select the correct wire size based on the distance from the beginning of the 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 AC branch circuit to the breaker in the load center. -
Page 12: Parts And Tools Required
• Enphase Installer Toolkit Download the Enphase Installer Toolkit mobile app and open it to log in to your Enlighten account. With this app, you can scan microinverter serial numbers and connect to the IQ Envoy to track system installation progress. To download, go to enphase.com/toolkit... -
Page 13: Enphase Microinverter Installation
IQ Microinverter for ACM Applications Enphase Microinverter Installation Installing the Enphase IQ Microinverter for ACM involves several key steps. Each step listed here is detailed in the following pages. Step 1: Install a Junction Box Step 2: Position the Enphase Q Cable... -
Page 14: Step 1: Install A Junction Box
Step 2: Position the Enphase Q Cable A. Plan each cable segment to allow drop connectors on the Enphase Q Cable to align with each AC Module. Allow extra length for slack, cable turns, and any obstructions. -
Page 15: Step 3: Terminate The Unused End Of The Cable
IQ Microinverter for ACM Applications Step 3: Terminate the Unused End of the Cable Place sealing caps on unused connectors and terminate the unused end of the Enphase Q Cable as follows. A. Cover any unused connectors with Enphase Sealing Caps. Listen for a click as the connectors engage. - Page 16 WARNING: The terminator cannot be re-used. If you unscrew the nut, you must discard the terminator. © 2021 Enphase Energy Inc. All rights reserved. January 06, 2021...
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Page 17: Step 4: Prepare The Ac Modules
Make sure the microinverter is not tilted. NOTE: If you need to move the module, you can return the microinverter to the shipping position using the Enphase Disconnect Tool. Use the tool to depress the four locking mechanisms on each corner of the microinverter to return it to the shipping position. -
Page 18: Step 5: Use The Serial Number Labels To Create The Installation Map
A. Remove the label from each module before passing it up to the roof. Apply the label to the proper position on the installation map. B. Peel the label from the IQ Envoy (and Enphase IQ Battery, if installed) and affix it to the installation map. -
Page 19: Step 6: Mount The Acms
B. As you install each ACM, connect the Q Cable to the microinverter. Listen for a click as the connectors engage. C. Cover any unused connectors on the AC cable with Enphase Sealing Caps. Listen for a click as the sealing caps engage. -
Page 20: Step 8: Manage The Cabling
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. © 2021 Enphase Energy Inc. All rights reserved. January 06, 2021... -
Page 21: Step 9. Ground The Acms
There is an active “DC Resistance Low, Power Off Condition.” To reset, refer to “ Solid Red DC Resistance Low – Power Off ” on page 23. Condition The Microinverter LED © 2021 Enphase Energy Inc. All rights reserved. January 06, 2021... -
Page 22: Step 11: Set Up And Activate Monitoring
IQ Microinverter for ACM Applications Step 11: 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 23: 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 24: Other Faults
Follow the instructions in the Enphase IQ Envoy Installation and Operation Manual at enphase.com/support to clear this condition. 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 25: Troubleshoot An Inoperable Microinverter
207 to 253 VAC (most models) 219 to 264 (IQ 7A models) 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 26: Remove And Replace A Microinverter
O. If the problem persists, contact Customer Support at enphase.com/en-us/support/contact. Remove and Replace 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 27 IQ Microinverter for ACM Applications L. On the ground, use the Installer Toolkit mobile app to delete the old microinverter serial number from the Enphase IQ Envoy database. In Installer Toolkit, once connected to the Envoy: a. Tap Micros > Manage.
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Page 28: Enphase Q Cable Planning And Ordering
IQ Microinverter for ACM Applications 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 29: Grid Interconnection Details
To modify the grid profile or the parameters within the grid profile, installers must log in to their Enlighten account using their credentials. The following tables show the parameter settings for the grid profiles available for IQ 7 series International Microinverters: NOTE: Simultaneous use of Fixed Power Factor and Volt/VAr is not supported. -
Page 30: Specifications
Maximum continuous output current 230 VAC (single phase) 1.04 Nominal frequency Extended frequency range Maximum AC output over current protection device Nominal Voltage Range can be extended if required by the utility. © 2021 Enphase Energy Inc. All rights reserved. January 06, 2021... -
Page 31: Enphase Iq7Plus-72-E-Acm-Int/Iq7Plus-72-Acm-Int Specifications
The AC connector has been evaluated and approved for use as the load-break disconnec. Enphase IQ7PLUS-72-E-ACM-INT/IQ7PLUS-72-ACM-INT Specifications IQ7PLUS-72-E-ACM-INT/IQ7PLUS-72-ACM-INT Microinverter Parameters Topic Unit Typical DC Parameters Peak Power Tracking Voltage Operating range Maximum DC input voltage © 2021 Enphase Energy Inc. All rights reserved. January 06, 2021... - Page 32 230 VAC (single phase) 96.5 Static MPPT efficiency (weighted, ref EN 50530) 99.5 Total harmonic distortion C Ambient temperature range Night tare loss C Storage temperature range Features and Specifications © 2021 Enphase Energy Inc. All rights reserved. January 06, 2021...
- Page 33 The DC connector has been evaluated and approved for use as the load-break disconnect. Integrated AC disconnect The AC connector has been evaluated and approved for use as the load-break disconnect required. © 2021 Enphase Energy Inc. All rights reserved. January 06, 2021...
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Page 34: Enphase Iq7X-96-Acm-Int Specifications
Power factor at rated power Miscellaneous Parameters Maximum microinverters per 20 amp (max) AC branch circuit 230 VAC (single phase) 230 VAC (multiple phase) EN50530 (EU) weighted efficiency 240 VAC (single phase) 96.5 © 2021 Enphase Energy Inc. All rights reserved. January 06, 2021... -
Page 35: Iq7A-72-E-Acm-Int Specifications
Topic Unit Typical DC Parameters Commonly used module pairings7 295 W - 460+ W Peak Power Tracking Voltage Operating range Maximum DC input voltage Minimum / Maximum start voltage © 2021 Enphase Energy Inc. All rights reserved. January 06, 2021... - Page 36 219 mm x 191 mm x 37.9 mm (approximate) Connector type Model IQ7A-72-E-ACM-INT: EN-4 Bulkhead Weight 1.5 kg (3 lbs.) Environmental Category / UV Exposure rating IP67 Outdoor Cooling Natural convection - no fans © 2021 Enphase Energy Inc. All rights reserved. January 06, 2021...
- Page 37 The DC connector has been evaluated and approved for use as the load-break disconnect. Integrated AC disconnect The AC connector has been evaluated and approved for use as the load-break disconnect. © 2021 Enphase Energy Inc. All rights reserved. January 06, 2021...
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Page 38: Q Cable Specifications
Terminator cap dimensions Enphase Connector Ratings Enphase connectors in the following table have a maximum current of 20A, a maximum OCPD of 20 A, and an ambient temperature range of -40° to +79° C (-40° to +174.2° F). Part Number... -
Page 39: Enphase Installation Map
IQ Microinverter for ACM Applications Enphase Installation Map © 2021 Enphase Energy Inc. All rights reserved. January 06, 2021... -
Page 40: Sample Wiring Diagram
IQ Microinverter for ACM Applications Sample Wiring Diagram: © 2021 Enphase Energy Inc. All rights reserved. January 06, 2021... - Page 41 IQ Microinverter for ACM Applications © 2021 Enphase Energy Inc. All rights reserved. January 06, 2021...